HME-421E/423E
Industrial 4 10/100TX + 2 100FX
Extended Temperature
Managed Ethernet Switch
User’s Manual
V2.0
7-24-2009
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Table of Contents
Chapter 1 Introduction........................................................................................................................................... 1-1
1-1 Overview......................................................................................................................................... 1-1
1-2 Product Features ............................................................................................................................ 1-1
1-3 Package Checklist .......................................................................................................................... 1-2
Chapter 2 Hardware Installation ........................................................................................................................... 1-1
2-1 Dimensions and Panel Layout........................................................................................................ 2-1
2-2 LED Indicators ................................................................................................................................ 2-2
2-3 RJ-45 Ports..................................................................................................................................... 2-2
2-3.1 RJ-45 Pin Assignments ........................................................................................................ 2-2
2-4 Fiber Ports ...................................................................................................................................... 2-3
2-5 Installing Your Ethernet Direct Switch............................................................................................. 2-4
2-5.1 Mounting The Switch............................................................................................................ 2-4
2-5.2 Wiring The Power Inputs ...................................................................................................... 2-5
2-5.3 Wiring The Fault Alarm Contact ........................................................................................... 2-6
2-5.4 Cabling ................................................................................................................................. 2-6
Chapter 3 Configuration Using Console Interface.............................................................................................. 3-1
3-1 Connecting Console Port................................................................................................................ 3-1
3-2 Login The Console Interface........................................................................................................... 3-1
3-3 CLI Management ............................................................................................................................ 3-1
3-4 Command Levels............................................................................................................................ 3-2
Chapter 4 Configuration Using a Web Browser.................................................................................................. 4-1
4-1 About Web-based Management Interface...................................................................................... 4-1
4-2 Preparing for Web-based Management.......................................................................................... 4-1
4-3 System Login .................................................................................................................................. 4-1
4-4 Management Main Screen.............................................................................................................. 4-2
4-5 Basic Settings ................................................................................................................................. 4-2
4-5.1 System Information............................................................................................................... 4-2
4-5.2 Port Statistics........................................................................................................................ 4-3
4-5.3 User Authentication .............................................................................................................. 4-3
4-5.4 Fault Relay Alarm................................................................................................................. 4-4
4-5.5 IP Configuration.................................................................................................................... 4-4
4-5.6 Updating Firmware by TFTP ................................................................................................ 4-5
4-5.7 Restoring Configurations by TFTP....................................................................................... 4-5
4-5.8 Backing up Configurations by TFTP..................................................................................... 4-5
4-5.9 Saving Configuration Files ................................................................................................... 4-6
4-5.10 Factory Default.................................................................................................................... 4-6
4-5.11Rebooting System................................................................................................................ 4-6
4-6 Advanced Management Settings.................................................................................................... 4-6
4-6.1 Port Control .......................................................................................................................... 4-6
4-6.2 Rate Limiting......................................................................................................................... 4-7
4-6.3 Port Mirroring........................................................................................................................ 4-8
4-6.4 DHCP Server........................................................................................................................ 4-8
4-6.5 DHCP Client ......................................................................................................................... 4-9
4-6.6 Port and IP Bindings by DHCP Server................................................................................. 4-9
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4-6.7 System Event Log .............................................................................................................. 4-10
4-6.7.1 Syslog Configuration.............................................................................................. 4-10
4-6.7.2 SMTP Configuration................................................................................................4-11
4-6.7.3 Event Configuration ............................................................................................... 4-12
4-6.8 SNTP Configuration............................................................................................................ 4-13
4-6.9 IP Security .......................................................................................................................... 4-14
4-6.10 Port Trunking..................................................................................................................... 4-15
4-6.11VLAN Configuration............................................................................................................ 4-19
4-6.11.1 Port-based VLAN ................................................................................................. 4-19
4-6.11.2 IEEE 802.1Q Tag-based VLAN............................................................................ 4-21
4-6.11.2.1 802.1Q Configuration........................................................................... 4-21
4-6.11.2.2 Group Configuration............................................................................. 4-23
4-6.12 QoS Configuration............................................................................................................. 4-24
4-6.13 IGMP Configuration........................................................................................................... 4-25
4-6.14 SNMP Configuration ......................................................................................................... 4-26
4-6.14.1 Community Strings............................................................................................... 4-26
4-6.14.2 Trap Configuration ............................................................................................... 4-27
4-6.14.3 SNMP v3 Configuration........................................................................................ 4-27
4-6.15 LLDP Configuration........................................................................................................... 4-30
4-6.16 Rapid Spanning Tree Protocol Configuration (RSTP)....................................................... 4-31
4-6.16.1 System Configuration........................................................................................... 4-31
4-6.16.2 Port Configuration................................................................................................ 4-31
4-6.17 X-Ring Configuration......................................................................................................... 4-32
4-6.18 802.1X/Radius Configuration............................................................................................ 4-34
4-6.18.1 System Configuration........................................................................................... 4-34
4-6.18.2 Port Configuration................................................................................................ 4-35
4-6.18.3 Misc Configuration ............................................................................................... 4-35
4-6.19 MAC Address Table........................................................................................................... 4-36
4-6.19.1 Static MAC Address Settings ............................................................................... 4-36
4-6.19.2 MAC Filtering ....................................................................................................... 4-37
4-6.19.3 All MAC Addresses .............................................................................................. 4-37
4-6.19.4 Multicast Filtering................................................................................................. 4-38
Chapter 5 Network Applications........................................................................................................................... 5-1
5-1 X-Ring Application........................................................................................................................... 5-1
5-2 Couple Ring .................................................................................................................................... 5-1
5-3 Dual Homing ................................................................................................................................... 5-2
5-4 Dual Ring ........................................................................................................................................ 5-4
Appendix A Specifications....................................................................................................................................A-1
Appendix B Troubleshooting................................................................................................................................B-1
Appendix C Command Set Lists...........................................................................................................................C-1
C-1 Commands Set List ........................................................................................................................C-1
C-2 System Commands Set..................................................................................................................C-1
C-3 Port Commands Set .......................................................................................................................C-2
C-4 Trunk Commands Set.....................................................................................................................C-4
C-5 VLAN Commands Set.....................................................................................................................C-4
C-6 Spanning Tree Commands Set.......................................................................................................C-6
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C-7 QoS Commands Set.......................................................................................................................C-7
C-8 IGMP Commands Set.....................................................................................................................C-7
C-9 Mac / Filter Table Commands Set...................................................................................................C-8
C-10 SNMP Commands Set..................................................................................................................C-8
C-11 Port Mirroring Commands Set.....................................................................................................C-10
C-12 802.1x Commands Set ...............................................................................................................C-10
C-13 TFTP Commands Set .................................................................................................................C-11
C-14 SystemLog, SMTP and Event Commands Set...........................................................................C-12
C-15 SNTP Commands Set.................................................................................................................C-13
C-16 X-Ring Commands Set ...............................................................................................................C-13
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Chapter 1
Introduction
Welcome to Husky Series HME-421E/423E Industrial Extended Temperature Managed Ethernet Switch.
This chapter includes the following topics:
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Overview
Product Features
Package Checklist
1-1 Overview
The Husky Series HME-421E/423E is a highly reliable and fault-tolerant Industrial 6-port Managed Ethernet
Switch with four 10/100Base-T(X) Ethernet ports and two multi-mode/single-mode ports. With the SC type
optic ports, HME-421E/423E transmits data at high speed for long distances up to 2km (multi-mode) or 30km
(single-mode). With its high performance, HME-421E/423E provides redundant self-recovery mechanism in
less than 10ms on full load which allows you to establish a redundant Ethernet network to build a backup ring
topology. With powerful network management functions, HME-421E/423E can be remotely configured by a
web browser, and managed by SNMP. Event notification can be defined via SNMP trap, Syslog, relay output
or E-mail. Security is enhanced with advanced features like Port base VLAN, Tagged VLAN and IP security.
Performance is optimized by Quality of Service and IGMP snooping/querying. The HME-421E/423E is
equipped with a terminal block to provide dual power inputs with reverse polarity protection. Its IP-30 housing
protection, wide operating temperature of -40 to 80℃ and DIN-Rail mounting is suitable for an industrial
environment.
1-2 Product Features
HME-421E/423E has the following features:
High Performance Network Switching Technology
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Complies with IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ad, IEEE 802.1p, IEEE 802.1Q,
IEEE 802.1D, IEEE 802.1x, IEEE 802.1AB
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Provides 4 x 10/100Base-T(X) Ethernet ports with RJ-45 connector
Provides 2 100Base-FX multi-mode SC type fiber port (HME-421E)
Provides 2 100Base-FX single-mode SC type fiber port (HME-423E)
RJ-45 ports support auto MDI/MDI-X crossover
Provides broadcast storm protection
Redundant X-Ring recovery time < 10ms on full load
Supports Dual Homing - RSTP over X-Ring
Supports Couple Ring
SNMP for network management
IGMP Snooping for multicast traffic
QoS/ToS to increase network packet determinism
VLAN for easy network planning
Event notification by email, SNMP trap, syslog & relay output
Online port mirroring for online debugging
Supports IP security
Configurable by web browser
IntraVUE network management software compatible
Robust Industrial Design
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Robust aluminum case complying to IP-30 housing standard
Supports extended temperature -40 to 80℃
DIN-Rail, wall mounting installation
High level of immunity to electromagnetic interference & power supply surges typically found in
industrial plant environments or external curb side enclosures
Reliable Power Design
1-1
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Introduction
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Wide range redundant power design
Equipped with redundant power inputs
Supports 12 to 48VDC redundant power with polarity reverse protection
Removable terminal block
1-3 Package Checklist
HME-421E/423E is shipped with the following items:
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1 x Husky Series HME-421E/423E Industrial Extended Temperature Managed Ethernet Switch
1 x User’s manual
1 x RS-232/RJ-45 cable
2 x wall-mounting plates and 6 x screws
1 x DIN-Rail mounting kit (attached to the HME-421E/423E’s back panel by default)
1-2
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Chapter 2
Hardware Installation
This chapter contains information on HME-421E/423E’s dimensions and hardware installation. Topics
include:
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Dimensions and Panel Layout
LED Indicators
RJ-45 Ports
Fiber Ports
Installing Your Ethernet Direct Switch
2-1 Dimensions and Panel Layout
Dimensions of HME-421E/423E Industrial Managed Switch are 72mm (W) x 106mm (D) x 152mm (H).
Front Panel
Side Panel
Unit: mm
Back Panel
Bottom Panel
2-1
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Hardware Installations
2-2 LED Indicators
There are diagnostic LEDs located on the front panel of HME-421E/423E. They provide primary information
on switch status as described in the table below.
LED Name
LED Color
LED Function
Green
Power is on.
PWR
Power is off or no power is being supplied to the
switch.
Off
Green
Off
Power is on.
PWR1
PWR2
Power is off or no power is being supplied to the
switch.
Green
Off
Power is on.
Power is off or no power is being supplied to the
switch.
One of the following errors occur:
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Power failure
Red
UTP port failure
Fiber port failure
Fault
Off
None of the above mentioned errors occurs.
This switch unit is the Ring Master.
This switch unit is NOT the Ring Master.
The fiber port is linked.
Green
Off
R.M.
Green
The port is transmitting or receiving packets from a
TX device.
LNK/ACT
Blinking
Off
The fiber port is not linked.
Orange
The port is operating in full-duplex mode.
Collision of packets occurs.
Blinking Orange
The port is in half-duplex mode or no device is
attached.
Off
P1-P4
Green
The port is connected to a network.
The port is transmitting or receiving packets from a
TX device.
Blinking Green
Off
The port is not connected to a network.
2-3 RJ-45 Ports
HME-421E/423E has 4 10/100Mbps auto-sensing ports for 10Base-T or 100Base-TX devices connection.
The UTP ports can auto-sense for 10Base-T or 100Base-TX connections. Auto MDI/MDIX function allows
HME-421E/423E to connect to another switch or workstation without changing straight through or crossover
cabling. See Cabling section for straight through and crossover cable schematic.
2-3.1 RJ-45 Pin Assignments
RJ-45 pin assignments as described in the table below:
Pin Number
Assignment
1
2
3
6
Tx+
Tx-
Rx+
Rx-
2-2
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Hardware Installations
“+” and “-” signs represent the polarity of the wires that make up each wire pair.
All ports on HME-421E/423E support automatic MDI/MDI-X function, users can use straight-through cables
(see figure below) for all network connections to PCs or servers, or to other switches or hubs. When auto
MDI/MDI-X is enabled, either type of cable can be used and the interface automatically corrects any
incorrect cabling. The table below shows the 10Base-T/100Base-TX MDI and MDI-X port pinouts.
Pin
1
MDI
TD+
TD+
RD+
RD-
MDI-X
RD+
RD-
2
3
TD+
TD-
6
Below are the illustrations of straight through connection and cross over connection.
Straight Through Cable Schematic
Cross Over Cable Schematic
2-4 Fiber Ports
HME-421E and HME-423E are equipped with SC type fiber ports. HME-421E has multi-mode fiber ports with
connection distance up to 2km. HME-423E has single-mode fiber ports with connection distance up to 30km.
When you connect the fiber port to another one, please follow the figure below to connect accordingly.
Wrong connection will cause the port not working properly.
2-3
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Hardware Installations
2-5 Installing Your Ethernet Direct Switch
Unpack the HME-421E/423E from the packing box. Please refer to Package Checklist section to see if any
item is missing or damaged. The installation steps include Mounting The Switch, Wiring The Power Inputs,
Wiring The Fault Alarm Contact, and Cabling.
2-5.1 Mounting The Switch
The are two types of mounting options: DIN-Rail mounting, and wall mounting. Users can choose the most
suitable mounting installation for your own onsite applications.
2-5.1.1 DIN-Rail Mounting
The DIN-Rail mounting kit is attached to the back panel of HME-421E/423E by default. If not, or
users want to disassemble the DIN-Rail mounting kit from the HME-421E/423E, follow the steps
below.
To attach the DIN-Rail mounting kit:
1. Screw the DIN-Rail kit to the position shown in the figure below.
2. To detach DIN-Rail kit from the switch, reverse the step 1.
Follow the steps below for mount the switch onto the track.
1. Insert the top of DIN-Rail plate into the track.
2. Lightly push the DIN-Rail plate into the track.
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Hardware Installations
3. Check if the DIN-Rail is tightened on the track or not.
4. To remove the switch from the track, reverse steps above.
2-5.1.2 Wall Mounting
Follow the steps below for wall-mounting installation.
1. Remove the DIN-Rail plate from the switch; loosen the screws to remove the DIN-Rail plate.
2. Place the wall mounting plate on the back panel of the switch.
3. Use the screws to screw the wall mounting plates on the switch.
4. Use the hook holes at the corners of the wall mounting plates to place the switch on the wall.
5. To remove the wall mounting plate, reverse the steps above.
2-5.2 Wiring The Power Inputs
Follow the steps below to wire the power inputs.
Be sure to disconnect the power cord before installing and/or wiring your switch.
Be sure of the maximum possible current when wiring connections. If the current goes above
the maximum ratings, the wire could overheat and result in serious damage to your switch.
1. Insert the positive and negative wires of your DC supply into the corresponding V+ and V- contacts of the
terminal block.
2. Tighten the screws to prevent the DC wires from coming detached.
2-5
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Hardware Installations
The acceptable wire range is 12 to 24 AWG.
After the wiring the power inputs, the PWR LED will light up. Please refer to LED Indicators
section for more information.
2-5.3 Wiring The Fault Alarm Contact
The fault alarm contacts are the two middle terminals located on the terminal block as show in the figure
below. It detects errors such as power failure or port break and sends an alarm signal when faults occur. By
default, the fault alarm contacts will form a closed circuit under normal operation. The contacts will open
when power failures or port breaks are detected. See below steps for wiring the fault alarm contact, and the
illustration of how fault alarm contact function works.
1. Insert the wires into the two middle terminals. Tighten the screws to prevent the wires from coming
detached.
The acceptable wire range is 12 to 24 AWG.
2-5.4 Cabling
For RJ-45 port connection, prepare twisted-paired, straight through Category 5 cables for Ethernet
connection. The linking distance between the switch and the network device must be less than 100 meters
(328 ft.).
For single-mode fiber connection, a 9/125µm single-mode fiber cables must be used. The maximum linking
distance can be up to 30km.
For multi-mode fiber connection, a 50 or 62.5/125µm multi-mode fiber cable must be used. The maximum
linking distance can be up to 2km.
The UTP port (RJ-45) LED(s) on the switch will light up when the cable is connected with the network device.
Please refer to the LED Indicators section for more information.
2-6
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Before connecting any network device, make sure network devices support auto MDI/MDI-X.
If not support, use the cross over Category 5 cables.
After all wiring and connection are done and the LED lights on the switch’s front panel show normal status,
the hardware installation is complete.
2-7
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Chapter 3
Configuration Using Console Interface
This chapter describes how to configure HME-421E/423E using the console interface. The topics include:
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Connecting Console Port
Login the Console Interface
CLI Management
3-1 Connecting Console Port
Take out the RS-232/RJ-45 cable that comes with the HME-421E/423E package, connect the RS-232 end to
a PC or a terminal, and connect the RJ-45 end to the console port of HME-421E/423E. The linked PC or
terminal must support the terminal emulation program.
3-2 Login The Console Interface
After the connection between the PC/terminal and the HME-421E/423E is successfully established, turn on
the PC/terminal and run a terminal emulation program or Hyper Terminal to configure its communication
parameters to match the following default settings of the console port:
Baud Rate
Data Bits
Parity
9600bps
8
None
1
Stop Bit
Flow Control
none
After finishing the parameter settings, click OK. When the blank screen shows up, press Enter key to bring
out the login prompt. Key in root (default value) for the both User name and Password (use Enter key to
switch), then press Enter key and the Main Menu of console management will appear. Please see below
figure for login screen.
3-3 CLI Management
The system supports the console management – CLI command. After logging into the system, you will see a
3-1
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Configuration Using Console Interface
command prompt. To enter CLI management interface, type in enable command. Please see below figure
for CLI command interface.
3-4 Command Levels
The table below lists the command levels. For Command Set Lists, please refer to Appendix C.
Modes
Access Method Prompt
Exit Method
About This Mode
User EXEC
Begin a session
with your switch.
switch>
Enter logout or
quit.
The user commands available at the
user level are a subset of those
available at the privileged level.
Use this mode to
• Perform basic tests.
• Display system information.
Privileged
EXEC
Enter the enable switch#
command while
in User EXEC
Enter disable to
exit.
The privileged command is the
advanced mode.
Use this mode to
mode.
• Display advanced function status.
• Save configuration
Global
Enter the
switch
(config)#
To exit to
Use this mode to configure those
parameters that are going to be
applied to your switch.
Configuration configure
command while
privileged EXEC
mode, enter exit
or end.
in privileged
EXEC mode.
VLAN
database
Enter the vlan
database
command while
in privileged
EXEC mode.
switch
(vlan)#
To exit to user
EXEC mode,
enter exit.
Use this mode to configure
VLAN-specific parameters.
Interface
configuration
Enter the
interface of fast
Ethernet
command (with
a specific
interface) while
in global
switch
To exit to global
Use this mode to configure
parameters for the switch and
Ethernet ports.
(config-if)# configuration
mode, enter exit.
To exit to
privileged EXEC
mode, enter exit
or end.
configuration
mode.
3-2
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Chapter 4
Configuration Using a Web Browser
This chapter contains information on how to configure your HME-421E/423E via a web browser. The topics
include:
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About Web-based Management Interface
Preparing for Web-based Management
System Login
Management Main Screen
Basic Settings
Advanced Management Settings
4-1 About Web-based Management Interface
HME-421E/423E offers an easy-to-use management interface, which allows users to manage the
HME-421E/423E via a standard web browser such as IE from anywhere on the network.
This web-based management interface supports Internet Explorer 6.0 or later version. Java Applets is also
applied for reducing network bandwidth consumption, enhancing access speed and presenting an
easy-viewing screen.
4-2 Preparing for Web-based Management
Before using web-based management interface, install the HME-421E/423E onto the network and make
sure that any one of PC on the network can access the HME-421E/423E through a web browser. The default
settings of IP address, subnet mask, username, and password of the HME-421E/423E are as follows:
IP Address
Subnet Mask
192.168.16.1
255.255.255.0
Default Gateway 192.168.16.254
User Name
Password
root
root
4-3 System Login
Follow the steps below to login into the web-based management interface.
1. Launch the web browser.
2. Key in the default IP address in the web address box and press Enter.
3. The login window will appear.
4. Key in the user name and the password. The default username and password is root.
5. Press Enter or click OK, the main screen of web-based management interface will then appear. Please
refer to the Management Main Screen section for more information.
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Configuration Using a Web Browser
4-4 Management Main Screen
See below for the web-based management interface main screen. The function menu is located on the left
hand side of this entrance page.
4-5 Basic Settings
This section covers the most commonly used configurations for maintain and control HME-421E/423E.
4-5.1 System Information
This feature allows you to assign the system name and location, and to view the system information.
Use this feature to assign a name for the switch. The maximum length is
64 bytes.
System Name
To display the description of the switch. This is READ ONLY information.
It cannot be modified.
System Description
Use this feature to specify the physical location of the switch. The
maximum length is 64 bytes.
System Location
To provide the information of the contact person in case of problems. Use
System Contact
this feature to enter the contact person info responsible for maintain this
switch.
Firmware Version
Kernel Version
To display the switch’s firmware version.
To display the switch’s kernel software version.
To display the unique hardware address assigned by Ethernet Direct
(default).
MAC Address
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Configuration Using a Web Browser
4-5.2 Port Statistics
The feature allows users to view the information of the port statistics.
Port
Type
Link
This column shows port number.
This column shows the current connection speed of the port.
This column shows the link status, either Up or Down.
This column shows whether the port is enabled or disabled. When the
port is disabled, no packet will be transmitted or received by this port. To
enable or disable ports, please refer to Port Control section for more
information.
State
Tx Good Packet
Tx Bad Packet
Rx Good Packet
Rx Bad Packet
This column shows the number of good packets transmitted by this port.
This column shows the number of bad packets transmitted by this port,
including undersized packets (less than 64 octets), oversized packets,
CRC Align errors, fragmented and jabber packets.
This column shows the number of good packets received by this port.
This column shows the number of bad packets received by this port,
including undersized packets (less than 64 octets), oversized packets,
CRC Align errors, fragmented and jabber packets.
Tx Abort Packet
Packet Collision
Packet Dropped
RX Bcast Packet
RX Mcast Packet
This column shows the number of aborted packets while transmitting.
This column shows the number of collision packets.
The column shows the number of dropped packets.
The column shows the number of broadcast packets.
The column shows the number of multicast packets.
Click on Clear to remove the current values.
4-5.3 User Authentication
This feature allows the administrator to change the web management login user name and password for
security reason.
User name
Key in the new user name (the default username is root).
Key in the new password (the default username is root).
Re-type the new password.
Password
Confirm password
After finishing necessary configurations, click on Apply to save the settings.
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Configuration Using a Web Browser
4-5.4 Fault Relay Alarm
The Fault Relay Alarm function provides the Power Failure and Port Link Down/Broken detection. With both
power input 1 and power input 2 installed and the check boxes of power 1/power 2 marked, the FAULT LED
indicator will then be possible to light up when any one of the power failures occurs. As for the Port Link
Down/Broken detection, the FAULT LED indicator will light up when the port failure occurs if the check box
beside the port is marked. Please refer to the segment of ‘Wiring the Fault Alarm Contact’ for the failure
detection.
The FAULT LED on the front panel of the HME-421E/423E will light up
Power Failure
when a power failure occurs if this box is checked.
The FAULT LED on the front panel of the HME-421E/423E will light up
Port Link Down/Broken
when a port link is down or broken if this box is checked.
After finishing necessary configurations, click on Apply to save the settings.
4-5.5 IP Configuration
This feature allows users to configure the IP settings and DHCP client function of the HME-421E/423E.
Use this feature to enable or disable the DHCP Client function. When
DHCP Client is enabled, the HME-421E/423E will be assigned with an IP
address from the network DHCP server. The default IP address will be
DHCP Client
IP Address
replaced by the DHCP server-assigned IP address. After clicking on
Apply button, a popup window will show up. It is to inform the
administrator that when the DHCP Client is enabled, the current IP will no
longer exist, and new one will be assigned by the DHCP server.
Use this feature to assign an IP address to the HME-421E/423E. The
administrator will not need to assign an IP address to the
HME-421E/423E if the DHCP Client function is enabled, and this column
will show the IP address assigned by the DHCP server. The default IP is
192.168.16.1.
Use this feature to assign the subnet mask of the IP address. The
administrator will not need to assign the subnet mask if the DHCP Client
function is enabled.
Subnet Mask
Gateway
Use this feature to assign the network gateway for the industrial switch.
The default gateway is 192.168.16.254.
DNS1
DNS2
Use this feature to assign the primary DNS IP address.
Use this feature to assign the secondary DNS IP address.
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After finishing necessary configurations, click on Apply to save the settings.
4-5.6 Updating Firmware by TFTP
This feature allows the administrator to update the switch firmware. Before updating, make sure the TFTP
server is ready and the firmware image is on the TFTP server.
TFTP Server IP Address Use this feature to fill in your TFTP server IP.
Firmware File Name
Use this feature to fill in the name of the firmware image.
After finishing necessary configurations, click on Apply to save the settings.
4-5.7 Restoring Configurations by TFTP
You can restore EEPROM value from the TFTP server. Before doing so, make sure the image file is already
placed on TFTP server. The HME-421E/423E will download the flash image.
TFTP Server IP Address Use this feature to fill in your TFTP server IP.
Firmware File Name
Use this feature to fill in the correct file name to be restored.
After finishing necessary configurations, click on Apply to save the settings.
4-5.8 Backing up Configurations by TFTP
With this feature, the administrator can save the current configurations from the HME-421E/423E to the
TFTP server, and then go to the TFTP restoration configuration page to restore the settings.
TFTP Server IP Address Use this feature to fill in your TFTP server IP.
Firmware File Name
Use this feature to fill in the file name.
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After finishing necessary configurations, click on Apply to save the settings.
4-5.9 Saving Configuration Files
This feature allows the administrator to save all configurations made for the HME-421E/423E. Click Save to
save all of the HME-421E/423E’s settings to the flash memory.
4-5.10
Factory Default
This feature allows the administrator to reset the HME-421E/423E to the default settings. Click Reset to
reset all configurations to the default value.
4-5.11
Rebooting System
This feature allows the administrator to reboot the HME-421E/423E. Click Reboot to restart the switch.
4-6 Advanced Management Settings
This section covers the instructions on how to configure HME-421E/423E’s advanced management
functions.
4-6.1 Port Control
This feature allows the administrator to configure each port’s settings and view the port status.
Port
This column is for you to select the port that you want to configure.
This column shows the current port status, and also allows you to enable
or disable the port. If the port is disabled, no packet will be transmitted or
received by this port.
State
Negotiation
This feature allows you to configure the negotiation function to be Auto
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or Force. When Auto, the switch will auto-negotiate the speed and the
duplex mode with the connected port. When Force, the administrator will
have to manually configure the speed in the Speed column and the
duplex mode in Duplex column to match with the connected port.
When Negotiation column is configured as Force, this column will be
available for you to choose the port link speed.
Speed
When Negotiation column is configured as Force, this column will be
available for you to choose the duplex mode of the port.
Duplex
This feature allows the administrator to select flow control options. When
Disable, the receiving device will drop the packet if there is too much to
process. When Enable, once the device exceeds the input data rate of
another device, the receiving device will send a PAUSE frame which
halts the transmission of the sender for a specified period of time.
Flow Control
Security
This feature allows the administrator to configure the security level for
managing this switch. If the security column is configured as On, the port
will accept only the first MAC address entry in Static MAC Address table
to access this switch and change the switch settings. If the security
column is configured as Off, any MAC address can access the switch
and change the switch settings.
4-6.2 Rate Limiting
This feature allows the administrator to set up every port’s bandwidth rate and packet limitation type.
This feature allows the administrator to select the packet type that needs
to be filtered for a certain port. The packet types available for selecting
include:
¾
¾
¾
¾
All
Broadcast/Multicast/Flooded Unicast
Broadcast/Multicast
Ingress Limit Frame
Type
Broadcast only
Broadcast/Multicast/Flooded Unicast, Broadcast/Multicast, and
Broadcast only are only for ingress packets. The egress rate only
supports All type.
All ports support port ingress and egress rate control. For example, if port
1 runs at 10Mbps, the administrator can set its effective egress rate as
1Mbps, and ingress rate is 500Kbps. The switch performs the ingress
rate by packet counter to meet the specified rate.
Bandwidth
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¾
Ingress: Enter the port effective ingress rate (The default value is
0).
¾
Egress for All: Enter the port effective egress rate (The default
value is 0).
After finishing necessary configurations, click on Apply to save the settings.
4-6.3 Port Mirroring
The feature allows the administrator to monitor and record the traffic of a specific port. The traffic goes in or
out of the monitored ports will be duplicated into the mirror port.
There is only one port can be selected to be destination (mirror) port for
monitoring both RX and TX traffic which come from source ports. Or, use
Destination Port
Source Port
one of two ports for monitoring RX traffic only and the other one for TX
traffic only. The administrator can connect the mirror port to LAN
analyzer.
The port(s) the administrator wants to monitor. All source port(s) traffic
will be copied to the destination (mirror) port. The administrator can
select up to 7 monitor ports in the switch. The administrator can select
multiple source ports by checking the RX or TX boxes.
4-6.4 DHCP Server
DHCP stands for Dynamic Host Configuration Protocol, a protocol for assigning dynamic IP addresses to
devices on a network. With dynamic addressing, a device can have a different IP address every time it
connects to the network. In some systems, the device's IP address can even be changed while it is still
connected. DHCP also supports a mix of static and dynamic IP addresses. Dynamic addressing simplifies
network administration because the software keeps track of IP addresses rather than requiring an
administrator to manage the task. This means that a new computer can be added to a network without the
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hassle of manually assigning it a unique IP address.
HME-421E/423E offers the DHCP server function. HME-421E/423E will be a DHCP server if the DHCP
server function is enabled.
This feature allows the administrator to enable or disable the
DHCP Server
HME-421E/423E to be a DHCP server on the local network.
This feature allows the administrator to define the low boundary of the IP
Low IP Address
High IP Address
address range that the DHCP server will assign to devices that request
them.
This feature allows the administrator to define the high boundary of the IP
address range that the DHCP server will assign to devices that request
them.
This feature is to define the subnet mask for the dynamic IP assign
range.
Subnet Mask
Gateway
DNS
This feature is to define the gateway in your network.
This feature is to define the Domain Name Server IP Address in your
network.
It is the time period that system will reset the dynamic IP assignment to
ensure the dynamic IP will not be occupied for a long time or the server
doesn’t know that the dynamic IP is idle.
Lease Time (sec)
After finishing necessary configurations, click on Apply to save the settings.
4-6.5 DHCP Client
When the DHCP server function is active, the HME-421E/423E will collect the DHCP client information and
display it here.
4-6.6 Port and IP Bindings by DHCP Server
This feature allows the administrator to pre-define a specific IP address within the dynamic IP range to a
certain port. When a device connected to this certain port requests for an IP address, this pre-defined IP
address will then be assigned to this connected device.
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After finishing necessary configurations, click on Apply to save the settings.
4-6.7 System Event Log
4-6.7.1 Syslog Configuration
This feature allows the administrator to configure the ways of keeping the system log files, and define the
system log server IP.
This feature allows the administrator to select the system log mode –
client only, server only, or both S/C.
Client only: it means the system log will only be saved in the switch.
Syslog Client Mode
Server only: it means the system log will only be saved in a connected
PC or server.
Both S/C: it means the system log will be saved in both the switch and
the PC.
System Log Server IP
Address
This feature allows the administrator to assign the system log server IP.
After finishing necessary configurations, click on Reload to refresh the event log, or click on Clear to erase
all current event logs. And then click on Apply to save the settings.
The system log saved in the switch when the Client only mode is selected will be lost once
the switch is restarted.
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4-6.7.2 SMTP Configuration
This feature allows the administrator to set up the mail server IP, mail account, account password, and
forwarding email account for receiving the event alert.
Email Alert
This feature is to enable or disable the email alert function.
This feature is to set up the mail server IP address (when Email Alert
enabled, this function will then be available).
SMTP Server IP
Type in an alias of the switch in complete email address format, e.g.
[email protected], to identify where the e-mail alert comes from.
Sender
Check the box to enable and configure the email account and password
for authentication (when Email Alert is enabled, this function will then be
available).
Authentication
This feature is to set up the email account, e.g. [email protected], to
receive the alert. It must be an existing email account on the mail server,
which you set up in SMTP Server IP Address column.
Mail Account
Password
Use this feature to set up the email account password.
To reconfirm the password.
Confirm Password
This feature is to assign up to 6 e-mail accounts which will also receive
the alert.
Rcpt e-mail Address 1-6
After finishing necessary configurations, click on Apply to save the settings.
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4-6.7.3 Event Configuration
This feature allows the administrator to pre-define the events which will trigger the system log to document
errors occurred and send out alert messages. The administrator can select system log events and SMTP
events. In addition, per port log and SMTP events can be selected too.
This feature allows the administrator to select events that will trigger the
system to issue logs. Check the box to select the events.
There are four events available to pre-define:
Device cold start: when the device has a cold start action, the system
will issue a log event.
System event selection
Device warm start: when the device has a warm start action, the system
will issue a log event.
Authentication Failure: when the SNMP authentication fails, the system
will issue a log event.
X-Ring topology change: when the Redundant-Ring topology changes,
the system will issue a log event.
This feature allows the administrator to select per port events and per
port SMTP events.
There are 3 events available to pre-define:
Link Up: the system will issue a log message when port connection is up.
Link Down: the system will issue a log message when port connection is
down.
Port event selection
Link Up & Link Down: the system will issue a log message when port
connection is up or down.
Disable: it means no event is selected.
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4-6.8 SNTP Configuration
This feature allows the administrator to configure the SNTP (Simple Network Time Protocol) settings. The
SNTP enables users to synchronize the switch clock in the Internet.
This feature is to enable or disable SNTP function to acquire the time
from the SNTP server.
SNTP Client
This feature is to enable or disable daylight saving time function. When
Daylight Saving Time
UTC Timezone
daylight saving time function is enabled, it is required to configure the
daylight saving time period.
This feature is to set the switch location time zone. The following table
lists the different location time zones for reference.
Local Time Zone
Conversion
from UTC
Time at 12:00
UTC
Local Time Zone
Conversion
from UTC
Time at 12:00
UTC
November Time Zone
- 1 hour
11 am
CET - Central European
FWT - French Winter
MET - Middle European
MEWT - Middle European
Winter
+1 hour
1 pm
SWT - Swedish Winter
Oscar Time Zone
-2 hours
-3 hours
-4 hours
-5 hours
-6 hours
-7 hours
10 am
9 am
8 am
7 am
6 am
5 am
EET - Eastern European,
USSR Zone 1
+2 hours
+3 hours
+4 hours
+5 hours
+6 hours
+7 hours
2 pm
3 pm
4 pm
5 pm
6 pm
7 pm
ADT - Atlantic Daylight
BT - Baghdad, USSR Zone
2
AST - Atlantic Standard
EDT - Eastern Daylight
ZP4 - USSR Zone 3
ZP5 - USSR Zone 4
ZP6 - USSR Zone 5
EST - Eastern Standard
CDT - Central Daylight
CST - Central Standard
MDT - Mountain Daylight
MST - Mountain Standard
PDT - Pacific Daylight
WAST - West Australian
Standard
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PST - Pacific Standard
ADT - Alaskan Daylight
-8 hours
-9 hours
-10 hours
4 am
3 am
2 am
CCT - China Coast, USSR
Zone 7
+8 hours
+9 hours
+10 hours
8 pm
9 pm
10 pm
ALA - Alaskan Standard
JST - Japan Standard,
USSR Zone 8
HAW - Hawaiian Standard
EAST - East Australian
Standard GST
Guam Standard, USSR
Zone 9
Nome, Alaska
-11 hours
1 am
IDLE - International Date
Line
+12 hours
Midnight
NZST - New Zealand
Standard
NZT - New Zealand
SNTP Sever URL
This feature is to define the SNTP server IP address.
This feature is to set up the Daylight Saving beginning time and Daylight
Saving ending time. Both will be different every year.
Daylight Saving Period
Daylight Saving Offset
(mins)
This feature is to set up the offset time.
Switch Timer
This feature displays the switch current time.
After finishing necessary configurations, click on Apply to save the settings.
4-6.9 IP Security
IP security function allows the administrator to grant 10 specific IP addresses the access to the switches
through a web browser.
When this option is enabled, the Enable HTTP Server and Enable
IP Security Mode
Telnet Server check boxes will then be available.
When this option is checked, the IP addresses among Security IP1- IP10
Enable HTTP Server
will be allowed to access via HTTP service.
When this option is checked, the IP addresses among Security IP1-IP10
Enable Telnet Server
will be allowed to access via telnet service.
This feature allows the administrator to assign up to 10 specific IP
Security IP 1-10
addresses. Only these 10 IP addresses can access and manage the
switch through a Web browser.
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After finishing necessary configurations, click on Apply to save the settings.
4-6.10
Port Trunking
Port trunking is the combination of several ports or network cables to expand the connection speed beyond
the limits of any one single port or network cable. Link Aggregation Control Protocol (LACP), which is a
protocol running on layer 2, provides a standardized means in accordance with IEEE 802.3ad to bundle
several physical ports together to form a single logical channel. All the ports within the logical channel or
so-called logical aggregator work at the same connection speed and LACP operation requires full-duplex
mode.
4-6.10.1 Aggregator Settings
This value is used to identify the active LACP. The switch with the
System Priority
Group ID
lowest value has the highest priority and is selected as the active
LACP peer of the trunk group.
There are 3 trunk groups available for configuration. The
administrator can assign the Group ID to the trunk group.
When enabled, the trunk group is using LACP. A port which joins an
LACP trunk group has to make an agreement with its member ports
first. Please notice that a trunk group, including member ports
distributed between two switches, has to enable the LACP function
of the two switches. When disabled, the trunk group is a static trunk
group. The advantage of having the LACP disabled is that a port
joins the trunk group without any handshaking with its member
ports; but member ports won’t know that they should be aggregated
together to form a logic trunk group.
LACP
This column field allows the administrator to type in the total
number of active ports up to four. With LACP trunk group, e.g. you
assign four ports to be the members of a trunk group whose work
ports column field is set as two; the exceed ports are
Work Ports
standby/redundant ports and can be aggregated if working ports
fail. If it is a static trunk group (non-LACP), the number of work ports
must equal the total number of group member ports.
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To add ports to a trunk group, select the wanted ports on the right hand side column, and click on Add.
To remove ports from a trunk group, selection the wanted ports on the left hand side column, and click on
Remove.
After finishing necessary configurations, click on Apply to save the settings.
4-6.10.2 Aggregator Information
The settings in this feature will be different depending on whether LACP is enabled or disabled.
LACP Disabled
When LACP function is disabled in Aggregator Setting, the administrator will see the local static trunk
group information here.
Group Key
This is a read-only column field that displays the trunk group ID.
This is a read-only column field that displays the members of this
static trunk group.
Port Member
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LACP Enabled
When LACP function is enabled in Aggregator Setting, the administrator will see the trunk group
information here.
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4-6.10.3 State Activity
When LACP is enabled, the State Activity feature will be available for configuration. The administrator can
mark or unmark the check boxes next to the trunk group member ports to make the port state activity to be
active or passive.
Active
The port automatically sends LACP protocol packets.
Passive
The port does not automatically send LACP protocol packets, and
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responds only if it receives LACP protocol packets from the
opposite device.
A link having two passive LACP nodes will not perform dynamic LACP trunk since both ports
are waiting for an LACP protocol packet from the opposite device.
4-6.11
VLAN Configuration
A Virtual LAN (VLAN) is a logic networking group consisting of hosts with a common set of requirements that
communicate as if they were attached to the broadcast domain, regardless of their physical location. VLAN
allows for end stations to be grouped together even if they are not located on the same network switch.
Network reconfiguration can be realized through software instead of physically relocating devices.
HME-421E/423E supports both port-based VLAN and IEEE 802.1Q (Tag-based) VLAN. HME-421E/423E
VLAN operation mode if Disable by default.
4-6.11.1 Port-based VLAN
A port-based VLAN is formed by a group of switch ports which are not necessary located on the same switch.
A four-byte field in the header is used to identify the VLAN. Packets can go among only members of the
same VLAN group. All unselected ports are treated as belonging to another single VLAN. If the port-based
VLAN enabled, the VLAN-tagging will be ignored.
In order for an end station to send packets to different VLAN groups, it has to be either capable of tagging
packets it sends with VLAN tags, or attached to a VLAN-aware bridge that is capable of classifying and
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tagging the packet with different VLAN ID based on not only default PVID but also other information about
the packet, such as the protocol.
Add
To add a new VLAN group. The maximum number of VLAN groups is 64.
To modify a certain VLAN’s settings.
Edit
Delete
To delete a VLAN group.
Next Page
Group Name
To view another VLAN group settings.
To enter the name for this VLAN group.
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After finishing necessary configurations, click on Apply to save the settings.
4-6.11.2 IEEE 802.1Q Tag-based VLAN
Tag-based VLAN is an IEEE 802.1Q standard which allows to create a VLAN across devices from different
switch venders. IEEE 802.1Q VLAN uses a technique to insert a “tag” into the Ethernet frames. Tag contains
a VLAN Identifier (VID) that indicates the VLAN numbers.
All ports on the switch belong to default VLAN, VID is 1. The default VLAN can’t be deleted. The maximum
VLAN group is up to 64.
Virtual Local Area Network (VLAN) can be implemented on the switch to logically create different broadcast
domain.
When the 802.1Q VLAN function is enabled, all ports on the switch belong to default VLAN of VID 1, which
means they logically are considered as members of the same broadcast domain. The valid VLAN ID number
ranges from 1 to 4094. The amount of VLAN groups is up to 256 including default VLAN that cannot be
deleted.
Each member port of an 802.1Q VLAN group is on either an Access Link (non VLAN-tagged) or a Trunk Link
(VLAN-tagged). All frames on an Access Link carry no VLAN identification, while all frames on a Trunk Link
are VLAN-tagged. In addition to above-mentioned 2 types, there is the third mode—Hybrid. A Hybrid Link
can carry both VLAN-tagged frames and untagged frames. A single port is supposed to belong to one VLAN
group, except it is on a Trunk/Hybrid Link.
The technique of 802.1Q tagging inserts a 4-byte tag, including VLAN ID of the destination port—PVID, in
the frame. With the combination of Access/Trunk/Hybrid Links, the communication across switches also can
make the packet sent through tagged and untagged ports.
4-6.11.2.1
802.1Q Configuration
Select 802.1Q from the drop down list to configure Tag-based VLAN
settings.
VLAN Operation Mode
Only when the VLAN members, whose Untagged VID (PVID) equals to
the value in this column, will have the permission to access the switch.
The default value is 0, meaning this limit is not enabled (all members in
different VLANs can access this switch).
Management VLAN ID
GVRP (GARP VLAN Registration Protocol) is a protocol that facilitates
control of virtual local area networks (VLANs) within a larger network.
GVRP conforms to the IEEE 802.1Q specification, which defines a
method of tagging frames with VLAN configuration data. This allows
network devices to dynamically exchange VLAN configuration
Enable GVRP
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information with other devices. For example, with GVRP function enabled
on two switches, the switches are able to automatically exchange the
information of their VLAN database. Therefore, the administrator doesn’t
need to manually configure whether the link is trunk or hybrid, the
packets belonging to the same VLAN can communicate across switches.
Mark this checkbox to enable GVRP protocol. This checkbox is available
while the VLAN Operation Mode is in 802.1Q mode.
Port
To select the port you want to configure
This feature allows the administrator to decide a certain port to be an
Access Link, a Trunk Link, or a Hybrid Link.
¾ Access Link: A segment which provides the link path for one or more
stations to the VLAN-aware device. An Access Port (untagged port),
connected to the access link, has an untagged VID (also called
PVID). After an untagged frame gets into the access port, the switch
will insert a four-byte tag in the frame. The contents of the last 12-bit
of the tag is untagged VID. When this frame is sent out through any of
the access port of the same PVID, the switch will remove the tag from
the frame to recover it to what it was. Those ports of the same
untagged VID are considered as the same VLAN group members.
¾ Trunk Link: A segment which provides the link path for one or more
VLAN-aware devices (switches). A Trunk Port, connected to the trunk
link, has an understanding of tagged frame, which is used for the
communication among VLANs across switches. Which frames of the
specified VIDs will be forwarded depend on the values filled in the
Tagged VID column field. Please insert a comma between two VIDs.
¾ Hybrid Link: A segment which consists of Access and Trunk links. The
hybrid port has both the features of access and trunk ports. A hybrid
port has a PVID belonging to a particular VLAN, and it also forwards
the specified tagged-frames for the purpose of VLAN communication
across switches.
Link Type
This column field is available when Link Type is set as Access Link or
Hybrid Link. Assign a number ranging from 1 to 4094.
Untagged VID
Tagged VID
This column field is available when Link Type is set as Trunk Link or
Hybrid Link. Assign a number ranging from 1 to 4094.
After finishing necessary configurations, click on Apply to save the settings.
Since the access port doesn’t have an understanding of tagged frames, the column field of
Tagged VID will not be available when the port is configured as an Access Link.
1. A trunk port doesn’t insert tag into an untagged frame, and therefore the untagged VID
column field is not available when the port is configured as a Trunk Link.
2. It’s not necessary to type ‘1’ in the tagged VID. The trunk port will forward the frames of
VLAN 1.
3. The trunk port has to be connected to a trunk/hybrid port of the other switch. Both the
tagged VID of the two ports have to be the same.
1. It’s not necessary to type ‘1’ in the tagged VID. The hybrid port will forward the frames of
VLAN 1.
2. The hybrid port has to be connected to a trunk/hybrid port of the other switch. Both the
tagged VID of the two ports have to be the same.
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4-6.11.2.2
Group Configuration
This feature allows the administrator to edit the existing VLAN groups.
Select the VLAN group that you want to modify, and click on Edit. You can modify the VLAN Group Name,
and VLAN ID.
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After finishing necessary configurations, click on Apply to save the settings.
4-6.12
QoS Configuration
Quality of Service (QoS) helps prioritizing traffic. High priority packets will be transmitted or processed first,
making sure your network reliability and stability.
This feature allows the administrator to select QoS policy.
Use an 8, 4, 2, 1 weighted fair queuing scheme:
The switch will follow 8:4:2:1 proportion to process priority queue from
the highest to the lowest. For example: the switch will process 8 highest
priority packets first, and then 4 second highest priority packets, and then
2 low priority packets, and then the 1 lowest priority packets.
QoS Policy
Use the strict priority scheme:
The switch will process the packets with the highest priority first. The
switch won’t continue to process the second highest priority packets until
the highest priority ones have been all processed.
This feature allows the administrator to configure each port’s priority type.
There are 5 types available:
¾
¾
¾
¾
Port-based: this port priority will follow the default port priority that
administrator has configured: High, middle, low, or lowest
COS only: this port priority will only follow the COS priority rules that
administrator has configured.
TOS only: this port priority will only follow the TOS priority rules that
administrator has configured.
Priority Type
COS first: this port priority will follow the COS priority rules that
administrator has configured first, and then follow other priority
rules.
¾
TOS first: this port priority will follow the TOS priority rules that
administrator has configured first, and then follow other priority
rules.
This feature allows the administrator to configure each port’s default port
priority. There 4 types of priority available: High, Middle, Low, Lowest.
Port-based Priority
COS Priority
This feature allows the administrator to configure the COS priority level 0
to 7.
The switch provides 0 to 63 TOS priority levels. Each level has 4 types of
priority – high, mid, low, and lowest. The default priority value is “Lowest”
for each level. When an IP packet is received, the switch will check the
TOS level value in the IP packet received. For example: the administrator
TOS Priority
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set the TOS level 25 to be high. The port 1 is following the TOS priority
policy only. When the packet received by port 1, the switch will check the
TOS value of the received IP packet. If the TOS value of received IP
packet is 25 (priority = high), and then the packet priority will have the
highest priority.
QoS and Rate Limiting function cannot be enabled at the same time.
After finishing necessary configurations, click on Apply to save the settings.
4-6.13
IGMP Configuration
The Internet Group Management Protocol (IGMP) is an internal protocol of the Internet Protocol (IP). IGMP
Snooping mode allows the switch to forward multicast packets to appropriate ports. The switch will detect
IGMP queries when multicast packets come in and then report back with packets indicating which port is
willing to accept the multicast packets. With this function, network traffic can be limited without unwanted
packets being sent to certain ports. IGMP has three fundamental types of messages as follows:
Message
Query
Description
A message sent from the querier (IGMP router or switch) asking for a
response from each host belonging to the multicast group.
A message sent by a host to the querier to indicate that the host wants to
be or is a member of a given group indicated in the report message.
Report
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A message sent by a host to the querier to indicate that the host has quit
to be a member of a specific multicast group.
Leave Group
This feature allows the administrator to enable IGMP protocol and IGMP Query function. The administrator
will see the IGMP snooping information in this section -- different multicast group VIDs and member ports,
and IP multicast addresses range from 224.0.0.0 through 239.255.255.255.
After finishing necessary configurations, click on Apply to save the settings.
4-6.14
SNMP Configuration
Simple Network Management Protocol (SNMP) is used to monitor exchange of information among devices in
a network system. HME-421E/423E supports SNMP v1/v2c/v3.
4-6.14.1 Community Strings
This function is to use community strings for authentication.
Strings
RO
This feature allows the administrator to enter a name for the string.
RO means Read Only. This feature allows the requests accompanied by
this string to display MIB-object information.
RW means Read & Write. This feature allows the requests accompanied
by this string to display MIB-object information and to set MIB object.
RW
This feature allows the administrator to select the SNMP version for
necessary configuration. Click on the version option required, and then
click on Change to validate the settings.
Agent Mode
After finishing necessary configurations, click on Apply to save the settings.
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4-6.14.2 Trap Configuration
A trap manager is a management station that receives the trap messages generated by the switch. If no trap
manager is defined, no traps will be issued. To define a management station as a trap manager, assign an IP
address, enter the SNMP community strings, and select the SNMP trap version.
This feature allows the administrator to enter the IP address of the trap
manager.
IP Address
This feature allows the administrator to enter the community strings for
trap stations.
Community
Trap Version
This feature allows the administrator to select the SNMP version.
After finishing necessary configurations, click on Apply to save the settings.
4-6.14.3 SNMP v3 Configuration
SNMPv3 primarily added security and remote configuration enhancements to SNMP, including:
z
z
z
Message integrity to ensure that a packet has not been tampered with in transit.
Authentication to verify that the message is from a valid source.
Encryption of packets to prevent snooping by an unauthorized source.
Please follow the steps below to configure SNMP v3 settings.
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Context Table
Context Name
This feature allows the administrator to enter a name for this context
table.
After finishing necessary configurations, click on Apply to save the settings.
User Table
User ID
This feature allows the administrator to enter the user name.
Authentication
Password
This feature allows the administrator to set up the authentication
password.
Privacy Password
This feature allows the administrator to set up the privacy password.
After finishing necessary configurations, click on Apply to save the settings.
Group Table
This feature allows the administrator to assign the user name that was
just set up in the User Table.
Security Name (User ID)
Group Name
This feature allows the administrator to set up the group name.
After finishing necessary configurations, click on Apply to save the settings.
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Access Table
Context Prefix
Group Name
This feature allows the administrator to enter the context name.
This feature allows the administrator to enter a group name.
This feature allows the administrator to select the access security level.
¾
¾
¾
NoAuthNoPriv.: no account authorization and no data encryption.
AuthNoPriv.: account authorization but no data encryption.
AuthPriv.: account authorization and data encryption.
Security Level
This feature allows the administrator to select the context match rule.
¾
¾
Exact: the context must match the pre-configured settings.
Context Match Rule
Prefix: only the first 5 letters of the context need to match the
pre-configured settings.
Read View Name
Write View Name
Notify View Name
This feature allows the administrator to enter a read view name.
This feature allows the administrator to enter a write view name.
This feature allows the administrator to enter a notify view name.
After finishing necessary configurations, click on Apply to save the settings.
MIBView Table
View Name
This feature allows the administrator to set up a view name.
This feature allows the administrator to fill in the Sub OID.
Sub-Oid Tree
This feature allows the administrator to select the type – excluded or
included.
Type
After finishing necessary configurations, click on Apply to save the settings.
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4-6.15
LLDP Configuration
Link Layer Discovery Protocol (LLDP) is defined in the IEEE 802.1AB, which is an emerging standard
providing a solution for the configuration issues caused by expanding LANs. LLDP specifically defines a
standard for Ethernet network devices such as switches, routers and wireless LAN access points to
advertise information about themselves to other nodes on the network and store the information they
discover. LLDP runs on all 802 media. The protocol runs over the data-link layer only, allowing two systems
running different network layer protocols to learn about each other.
LLDP Protocol
LLDP Interval
This allows the administrator to enable or disable LLDP function.
This allows the administrator to set the interval of advertising the switch’s
information to other nodes on the network.
After finishing necessary configurations, click on Apply to save the settings.
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4-6.16
Rapid Spanning Tree Protocol Configuration (RSTP)
The Rapid Spanning Tree Protocol (RSTP) is an evolution of the Spanning Tree Protocol and provides for
faster spanning tree convergence after a topology change. HME-421E/423E also supports STP and will auto
detect the connected device whether it is running STP or RSTP protocol.
4-6.16.1 System Configuration
The administrator can view the spanning tree information from the Root Bridge Information column.
This feature allows the administrator to enable or disable the RSTP
RSTP Mode
function. The parameters will be available for configuration after the
RSTP function is enabled.
This is the value used to identify the root bridge. The bridge with the
lowest value has the highest priority and will be selected as the root. If
this value has been changed, the switch must be rebooted for the new
settings to be in effect. The value must be multiple of 4096 according to
the protocol standard.
Priority (0-61440)
This value is the seconds a bridge waits for without receiving spanning
tree messages before attempting to reconfigure. Enter a value between 6
and 40.
Max Age (6-40)
This value is the time in seconds that controls when the switch sends out
the BPDU packet to check RSTP current status. Enter a value between 1
and 10.
Hello Time (1-10)
This value is the time in seconds a port waits for before changing its
Rapid Spanning Tree protocol learning and listening state to the
forwarding state. Enter a value between 4 and 30.
Forward Delay Time
(4-30)
After finishing necessary configurations, click on Apply to save the settings.
The administrator must follow the rule to configure the MAX Age, Hello Time, and Forward
Delay Time:
2 x (Forward Delay Time value –1) > = Max Age value >= 2 x (Hello Time value +1).
4-6.16.2 Port Configuration
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The administrator can use this interface to configure path cost and priority of every port.
Port
Select the port that you want to configure.
This feature allows the administrator to configure the cost of the path to
the other bridge from this transmitting bridge at the specified port. Enter a
number between 1 and 200000000.
Path Cost
This feature allows the administrator to configure which port should be
blocked by priority in LAN. Enter a number between 0 and 240. The value
of priority must be the multiple of 16.
Priority
Some of the rapid state transactions that are possible within RSTP are
dependent upon whether the port concerned can only be connected to
exactly one other bridge (i.e. it is served by a point-to-point LAN
segment), or can be connected to two or more bridges (i.e. it is served by
a shared medium LAN segment). This function allows the P2P status of
the link to be manipulated administratively. True is to enable P2P
function. False is to disable P2P.
Admin P2P
The port directly connected to end stations cannot create bridging loop in
the network. To configure the port as an edge port, set the port to True.
Admin Edge
The port includes the STP mathematic calculation. True is not including
STP mathematic calculation. False is including the STP mathematic
calculation.
Admin Non Stp
After finishing necessary configurations, click on Apply to save the settings.
4-6.17
X-Ring Configuration
HME-421E/423E provides redundant self-recovery mechanism named as X-Ring. When compared with the
commercial standard redundant technologies like STP or RSTP, the X-Ring can effectively reduce the
recovery time to less than 300ms. The Ring Topology must be applied to all the connected switches.
When all switches are connected in a ring topology with X-Ring function enabled, one of the switches will be
appointed as “Ring Master.” The ring master will monitor the ring’s health to make sure the ring is working
properly. Once a failure is detected by the ring master, the ring master will activate the blocked backup path
within milliseconds to replace the faulty primary transmission path to make sure the ring will continue to work.
In the X-Ring topology, every switch should enable X-Ring function and assign two member ports to form the
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ring. Only one switch in the X-Ring group would be set as a backup switch, and one of its two member ports
on this backup switch would be blocked, called the backup port, while the other member port is called a
working port. Other switches are called working switches and their two member ports are called working
ports. When the network connection fails, the backup port will automatically become a working port to
resume the connection.
HME-421E/423E has a R.M DIP switch on is front panel that would allow the administrator to configure this
switch as the Ring Master or not. When the switch is set to be the Ring Master, the X-Ring configuration
screen will display a message saying this switch is the Ring Master. The Ring Master will be responsible for
negotiating and placing commands to other switches in the X-Ring group. If by accident there are 2 or more
switches are being configured as the Ring Master, then the software will automatically select the switch with
the lowest MAC address number as the Ring Master.
HME-421E/423E also supports Couple Ring, a power management function that allows 2 or more X-Ring
groups to be connected to each other to offer more advanced redundancy. Dual Homing function is another
advanced management feature that HME-421E/423E offers, an advanced redundancy network solution by
connecting switches running in different redundant protocols such as IEEE 802.1w Rapid Spanning Tree
Protocol and X-Ring to extend the network redundant coverage. HME-421E/423E also comes with a new
advanced ring redundancy feature called Dual Ring. Dual Ring can handle 2 rings in the system and has the
ability to recover from failure within 20 milliseconds.
This feature allows the administrator o enable the X-Ring function. Mark
the check box to enable the X-Ring function.
Enable Ring
This feature allows the administrator to assign two ports as the X-Ring
group member ports. One of the ports will be the working port and the
other port will be the backup port. The switch will automatically decide
1st & 2nd Ring Ports
which port is the working port and which port is the backup port.
This feature allows the administrator to enable the Couple Ring function.
Enable Couple Ring
Mark the check box to enable the Couple Ring function.
Couple Port
Control Port
This feature allows the administrator to assign the member port.
This feature allows the administrator to set the switch as the master
switch in a Couple Ring topology.
This feature allows the administrator to set up one of the ports on the
switch to be the Dual Homing port. In an X-Ring group, maximum number
of Dual Homing ports is one. Dual Homing will only work when the X-Ring
function is enabled.
Enable Dual Homing
Homing Port
This feature allows the administrator to decide which port to be used as
working port in a Dual Homing topology.
This feature allows the administrator o enable the Dual Ring function.
Mark the check box to enable the Dual Ring function. The difference
between Dual Ring and Couple Ring is that Dual Ring only needs a unit
to form a redundant connection of two rings.
Enable Dual Ring
After finishing necessary configurations, click on Apply to save the settings.
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When the X-Ring function is enabled, RSTP function must be disabled. The X-Ring function
and RSTP function cannot be in operation at the same time.
4-6.18
802.1X/Radius Configuration
802.1X is an IEEE standard, which provides port-based authentication. It involves communications between
a supplicant, authenticator, and authentication server. The supplicant is often software on a client device,
such as a laptop, the authenticator is a wired Ethernet switch or wireless access point, and an authentication
server is generally a RADIUS database. The authenticator acts like a security guard to a protected network.
The supplicant (i.e., client device) is not allowed access through the authenticator to the protected side of the
network until the supplicant’s identity is authorized.
4-6.18.1 System Configuration
The administrator can use this interface to enable and configure 802.1X/Radius security function.
IEEE 802.1x Protocol
Radius Server IP
This feature is to enable or disable IEEE 802.1X protocol.
This feature is to assign the RADIUS Server IP address.
This feature is to set the UDP destination port for authentication requests
to the specified RADIUS Server.
Server Port
This feature is to set the UDP destination port for accounting requests to
the specified RADIUS Server.
Accounting Port
This feature is to set an encryption key for authentication with the
specified RADIUS server. This key must match the encryption key used
on the RADIUS Server.
Shared Key
NAS, Identifier
This feature is to assign the identifier for the RADIUS client.
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After finishing necessary configurations, click on Apply to save the settings.
4-6.18.2 Port Configuration
The administrator can use this interface to enable and configure 802.1X authentication state for each port.
The available state options include Disable, Accept, Reject, and Authorize.
Reject
The specified port is required to be held in the unauthorized state.
The specified port is required to be held in the authorized state.
Accept
The specified port is set to the Authorized or Unauthorized state in
accordance with the outcome of an authentication exchange between the
supplicant and the authentication server.
Authorize
Disable
When disabled, the specified port works without complying with 802.1x
protocol.
After finishing necessary configurations, click on Apply to save the settings.
4-6.18.3 Misc Configuration
The administrator can use this interface to configure the Misc settings.
This feature is to set the time period which the port doesn’t try to acquire
a supplicant.
Quiet Period
Tx Period
This feature is to set the time period the port waits for retransmitting next
EAPOL PDU during an authentication session.
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This feature is to set the time period the switch waits for a supplicant
Supplicant Timeout
Server Timeout
Max Requests
response to an EAP request.
This feature is to set the time period the switch waits for a server’s
response to an authentication request.
This feature is to set the number of authentication requests that must
time out before authentication fails and the authentication session ends.
This feature is to set the time period after which the connected client
devices must be re-authenticated.
Reauth Period
After finishing necessary configurations, click on Apply to save the settings.
4-6.19
MAC Address Table
MAC address table can help define the authorization levels for certain devices on the network, and further
secure the network integrity by preventing unauthorized access.
4-6.19.1 Static MAC Address Settings
You can add a static MAC address that remains in the switch's address table regardless of whether the
device is physically connected to the switch. This saves the switch from having to re-learn a device's MAC
address when the disconnected or powered-off device is active on the network again. With this interface, you
can add/modify/delete a static MAC address.
This feature is to assign the MAC address to a certain port so that the
packets destined or undestined to this MAC address will still or will not be
forwarded regardless of the physical location of the device with this MAC
MAC Address
address.
Port No.
This feature is to select the port that the MAC address is assigned to.
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To delete a MAC address, simply select the MAC address, and then click on Delete.
4-6.19.2 MAC Filtering
By filtering MAC addresses, the switch can easily filter packets from unwanted MAC addresses, and further
keep the network intact.
MAC Address
Enter the MAC address that you want to filter.
To delete a MAC address, simply select the MAC address, and then click on Delete.
4-6.19.3 All MAC Addresses
You can view all of the MAC addresses learned by the selected port.
This feature is to select the port which you would like to see the MAC
Port No.
addresses assigned to it. The selected port’s static & dynamic MAC
address information will then be displayed in the box below.
To clear the current MAC address information on this screen, click on Clear MAC Table.
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4-6.19.4 Multicast Filtering
Multicasting is similar to broadcasting in a way that packets are all being sent to all end stations on a LAN or
VLAN. Except multicasting only sends packets to the end stations that want to receive these packets. With
multicast filtering, network devices only forward multicast traffic to the ports that are connected to the
registered end stations.
This feature is to assign a multicast group IP address in the range of
224.0.0.0 to 239.255.255.255.
IP Address
To include a port into the multicast group, mark the check box next to the
ports you want to include.
Member Ports
To delete a multicast group, simply select the multicast group, and then click on Delete.
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Chapter 5
Network Applications
This chapter contains information on advanced network applications. The topics include:
z
z
z
z
X-Ring Application
Couple Ring Application
Dual Homing Application
Dual Ring Application
5-1 X-Ring Application
X-Ring is an advanced industrial redundant technology introduced by Ethernet Direct. When compared with
the commercial standard redundant technologies like STP or RSTP, the X-Ring can effectively reduce the
recovery time to less than 300ms. The ring topology must be applied to all the connected switches. When all
switches are connected in a ring topology with X-Ring function enabled, on of the switches will be appointed
as Ring Master. The Ring Master will monitor the ring’s health to make sure the ring is working properly.
Once a failure is detected by the Ring Master, the Ring Master will activate the blocked backup path within
milliseconds to replace the faulty primary transmission path to make sure the ring topology will continue to
work. In addition, there are multiple Ring Masters allowed in the ring connections. Please see below figure 1
for the example of an X-Ring connection.
Figure 1 Example of X-Ring Connection Diagram
5-2 Couple Ring
In the real world implementation, there are cases that require two X-Ring groups to be connected together to
ensure redundant protection. Couple Ring technology was introduced by Ethernet for this requirement. With
Couple Ring function, each X-Ring group will need to assign two switches with 2 extra ports to achieve the
structure. For this reason, the total switches needed for the Couple Ring to work will be four switches, and
each switch is assigned with four ports for completing a Couple Ring (including the two X-Ring ports per
switch). Please see below figure 2 for example of Couple Ring connection.
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Network Applications
Figure 2 Example of Couple Ring Connection
5-3 Dual Homing
Dual Homing provides an advanced redundancy network solution by connecting switches running in different
redundancy protocols such as IEEE 802.1w Rapid Spanning Tree Protocol and X-Ring to extend the network
redundant coverage. Dual Homing feature can ensure a single or two X-Ring groups with redundant backup
when connected to a backbone switch. Redundancy is achieved by connecting two ports from two separate
switches using X-Ring ring protocol with two ports of managed switches using other redundancy protocol. An
active link where data is transmitted is connected with on port in the switch. The other port connected with
another switch is a hot standby link. The hot standby link is being constantly monitored and it will be switched
over within seconds once the active link is disconnected or broken. This approach can open up LAN design
options and expand device choices. For example, it can permit any industrial PLC devices with Ethernet
interfaces to be part of a resilient network. With the implementation of Dual Homing feature, the X-Ring
group will be allowed to connect to these backbone core switches and without sacrificing its redundant
protections. Below, we show an example of connection diagram on how Dual Homing can be connected with
1 or 2 X-Ring groups.
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Network Applications
Figure 3 Example of Dual Homing with 2 X-Ring Groups Connection (Straight Through Connection)
Figure 3 Example of Dual Homing with 2 X-Ring Groups Connection (Cross Through Connection)
In Dual Homing architecture, the RSTP protocol in the upper level switches needs to be
enabled.
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Network Applications
5-4 Dual Ring
Although Ethernet Direct provides the Dual Homing technology for the industrial customers who may need to
connect their switches from a field environment to the centralized backbone, some users may not deploy
Cisco or HP switches. In some application cases, customers would like their backbone switches to be the
same as those switches in their field environment equipped with industrial-grade protection and yet serve as
the backbone network. Considering the needs, Ethernet Direct released new redundant technology called
Dual Ring.
The Dual Ring is recommended when the concern is “cost” or small projects with lesser amount of switches.
Dual Ring allows the connection up to two ring groups to the central backbone and the configuration will only
exist in those switches with minimum 8 ports availability.
Figure 4 Example of Dual Ring Connection Diagram
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Appendix A
Specifications
HME-421E/423E Product Specifications are as follows:
Hardware
Interface
Total Ports
RJ-45 ports
6 ports
4 10/100Base-T(X) auto-negotiation speed, Full/Half duplex, auto
MDI/MDI-X
Fiber ports
LEDs
2 10/100Base-FX SC type multi-mode (HME-421E)
2 10/100Base-FX SC type single-mode (HME-423E)
Per Port
Link/Activity (Green), Full duplex/Collision
(Orange)
Per Unit
Power (Green), Power 1 (Green), Power 2
(Green), Fault (Orange), R.M.(Green)
Alarm Contact
1A@24VDC
Power Requirements
Power Input
12 to 48VDC redundant power with removable terminal block
8.4 watts max.
Power Consumption
Power Protection
Physical
Power Reverse Polarity
Dimensions
IP-30 standard, 54mm (W) x 105mm (D) x 135mm (H)
DIN Rail mounting/Wall mounting
Installation
Environmental
Operating Temperature
Storage Temperature
Operating Humidity
Extended: -40 to 80℃
-40 to 85 ℃
5% to 95% RH (Non-condensing)
Technology
IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX/100Base-FX
IEEE 802.3x Flow Control
IEEE 802.3ad Port trunk with LACP
IEEE802.1D Spanning Tree Protocol
IEEE802.1w Rapid STP
Standard
IEEE802.1p Class of Service
IEEE802.1Q VLAN Tagging
IEEE 802.1X User Authentication (Radius)
IEEE 802.1AB LLDP
Protocol Technology
Switching Architecture
CSMA/CD
Store and Forward
Regulatory Approvals
EMI
FCC Class A
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Specifications
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EMS
EN 61000-4-8
EN 61000-4-11
EN 61000-4-12
EN 61000-6-2
EN 61000-6-4
Safety
UL, cUL, CE/EN 60950-1
IEC 60068-2-27
IEC 60068-2-6
IEC 60068-2-32
Pending
Shock
Vibration
Free Fall
Class 1 DIV 2
DNV
Pending
Environmental
MTBF
WEEE, RoHS
213,754 hrs based on Mil-Hdbk-217F, GB
5 years
Warranty
Management Specifications
Redundancy
X-Ring with recovery time < 10 ms
STP, RSTP, Dual Homing, Couple Ring, Dual Ring
SNMP v1/v2c/v3/Web/Telnet/CLI management
TFTP backup/restore configurations
One default button for system default settings
Up to 3 Trap stations
Management
SNMP Trap
Cold start
Port link up
Port link down
Authentication failure
Private Trap for power status
Port alarm configuration
Fault alarm, X-Ring
RFC Standard
RFC 1215 Trap
RFC1213 MIBII
RFC 1157 SNMP MIB
RFC 1493 Bridge MIB
RFC 2674 VLAN MIB
RFC 1643
RFC 1757
RSTP MIB
Private MIB
VLAN
Port based VLAN and Tag VLAN (256 entries)
VID: 1 to 4094
A-2
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Specifications
Static VLAN groups up to 256
GVRP groups up to 256
OoS
Port based and IEEE 802.1p
QoS determined by port, per port 4 queues
Tag and IPv4 ToS, IPv4/IPv6 DiffServ
IGMP v1 and v2 snooping
IGMP
Security
IGMP groups up to 256
Multicast filtering
Port Security: MAC address entries/filter
IP Security: IP address security to prevent unauthorized intruders
Remote Access Security: IEEE802.1X/RADIUS
RX, TX, and Both packet
Port Mirror
Bandwidth Control
Network packet filtering options
Ingress/Egress control per port
DHCP
SMTP
DHCP Client/DHCP Server
SMTP Client
Up to 6 E-mail accounts with pre-defined warning events
SNTP client to synchronize system clock from Internet
By TFTP
SNTP
Firmware Upgrade
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Appendix B
Troubleshooting
Make sure you are using the right power cord/adapter (DC 12-48V). Do not use power
adapters with DC output higher than 48V. Or it will short circuit the switch.
Select the proper UTP cables to construct your network. Please check that you are using the
right cables. Use unshielded twisted-pair (UTP) or shield twisted-pair (STP) cables for RJ-45
connections: 100Ω Category 3, 4 or 5 cables for 10Mbps connections, and 100Ω Category 5
cables for 100Mbps. Also be sure that the length of any twisted-pair connection does not
exceed 100 meters (328 feet).
Diagnostic LED indicators located on the front panel of the switch can help users to easily
monitor the switch.
IF the power indicator does not light on when the power cord is plugged in, you may have a
problem with power cord. Then check for loose power connections, power losses or surges at
power outlet. IF you still cannot resolve the problem, contact your local dealer for assistance.
If the switch LED indicators are normal, the cables are connected correctly, and the packets
still cannot transmit, please check your system’s Ethernet devices’ configuration or status.
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Appendix C
Command Set Lists
C-1 Commands Set List
User EXEC
E
P
G
V
I
Privileged EXEC
Global configuration
VLAN database
Interface configuration
C-2 System Commands Set
Commands
Level Description
Example
show config
switch>show config
switch#show terminal
switch#write memory
Show switch configuration
Show console information
E
P
P
show terminal
write memory
Save user configuration
into permanent memory
(flash rom)
system name
Configure system name
switch(config)#system name xxx
switch(config)#system location xxx
switch(config)#system description xxx
G
G
G
G
[System Name]
system location
[System Location]
Set switch system
location string
system description
Set switch system
description string
[System Description]
system contact
Set switch system contact switch(config)#system contact xxx
window string
[System Contact]
show system-info
Show system information switch>show system-info
E
ip address
Configure the IP address switch(config)#ip address 192.168.1.1
G
of switch
255.255.255.0 192.168.1.254
switch(config)#ip dhcp
switch#show ip
[Ip-address] [Subnet-mask]
[Gateway]
ip dhcp
show ip
no ip dhcp
reload
Enable DHCP client
function of switch
G
P
Show IP information of
switch
Disable DHCP client
function of switch
switch(config)#no ip dhcp
switch(config)#reload
G
G
Halt and perform a cold
restart
default
Restore to default
switch(config)#default
G
G
admin username
[Username]
Changes a login
username. (maximum 10
words)
switch(config)#admin username xxxxxx
Specifies a password
(maximum 10 words)
switch(config)#admin password xxxxxx
switch#show admin
admin password
[Password]
G
P
Show administrator
information
show admin
C-1
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Command Set Lists
Enable DHCP Server
Disable DHCP Server
switch(config)#dhcpserver enable
switch(config)#no dhcpserver
dhcpserver enable
Dhcpserver disable
dhcpserver lowip
[Low IP]
G
G
G
Configure low IP address switch(config)#dhcpserver lowip
for IP pool 192.168.1.100
Configure high IP address switch(config)#dhcpserver highip
dhcpserver highip
[High IP]
G
G
G
G
G
I
for IP pool
192.168.1.200
Configure subnet mask
for DHCP clients
switch(config)#dhcpserver subnetmask
255.255.255.0
dhcpserver subnetmask
[Subnet mask]
dhcpserver gateway
[Gateway]
Configure gateway for
DHCP clients
switch(config)#dhcpserver gateway
192.168.1.254
Configure DNS IP for
DHCP clients
switch(config)#dhcpserver dnsip
192.168.1.1
dhcpserver dnsip
[DNS IP]
Configure lease time (in
hour)
switch(config)#dhcpserver leasetime 1
dhcpserver leasetime
[Hours]
Set static IP for DHCP
clients by port
switch(config)#interface fastEthernet 2
switch(config)#dhcpserver ipbinding
192.168.1.1
dhcpserver ipbinding
[IP address]
Show configuration of
DHCP server
switch#show dhcpserver configuration
show dhcpserver
configuration
P
Show client entries of
DHCP server
switch#show dhcpserver clients
show dhcpserver clients
P
P
Show IP-Binding
information of DHCP
server
switch#show dhcpserver ip-binding
show dhcpserver ip-binding
Disable DHCP server
function
switch(config)#no dhcpserver
switch(config)#security enable
switch(config)#security http
switch(config)#security telnet
no dhcpserver
security enable
security http
G
G
G
G
G
Enable IP security
function
Enable IP security of
HTTP server
Enable IP security of
telnet server
security telnet
Set the IP security list
switch(config)#security ip 1
security ip
192.168.1.55
[Index(1..10)] [IP Address]
show security
Show the information of
IP security
switch#show security
P
G
G
G
Disable IP security
function
switch(config)#no security
switch(config)#no security http
switch(config)#no security telnet
no security
Disable IP security of
HTTP server
no security http
no security telnet
Disable IP security of
telnet server
C-3 Port Commands Set
Commands
Level Description
Example
Choose the port for
modification.
switch(config)#interface fastEthernet 2
interface fastEthernet
[Portid]
G
C-2
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Command Set Lists
switch(config)#interface fastEthernet 2
Use the duplex
duplex
I
I
configuration command to
specify the duplex mode
of operation for Fast
Ethernet.
switch(config-if)#duplex full
[full | half]
Use the speed
switch(config)#interface fastEthernet 2
switch(config-if)#speed 100
speed
configuration command to
specify the speed mode
of operation for Fast
[10|100|1000|auto]
Ethernet. The speed can’t
be set to 1000Mbps if the
port isn’t a giga port.
Disable flow control of
interface
switch(config-if)#no flowcontrol
no flowcontrol
security enable
no security
I
I
I
Enable security of
interface
switch(config)#interface fastEthernet 2
switch(config-if)#security enable
Disable security of
interface
switch(config)#interface fastEthernet 2
switch(config-if)#no security
Set interface ingress limit switch(config)#interface fastEthernet 2
bandwidth type all
I
I
frame type to “accept all
frame”
switch(config-if)#bandwidth type all
Set interface ingress limit switch(config)#interface fastEthernet 2
bandwidth type
frame type to “accept
broadcast, multicast, and
flooded unicast frame”
switch(config-if)#bandwidth type
broadcast-multicast-flooded-unicast
broadcast-multicast-flooded-
unicast
Set interface ingress limit switch(config)#interface fastEthernet 2
bandwidth type
I
frame type to “accept
broadcast and multicast
frame”
switch(config-if)#bandwidth type
broadcast-multicast
broadcast-multicast
Set interface ingress limit switch(config)#interface fastEthernet 2
bandwidth type
broadcast-only
I
I
frame type to “only accept
broadcast frame”
switch(config-if)#bandwidth type
broadcast-only
Set interface input
switch(config)#interface fastEthernet 2
switch(config-if)#bandwidth in 100
bandwidth in
[Value]
bandwidth. Rate Range is
from 100 kbps to 102400
kbps or to 256000 kbps
for giga ports, and zero
means no limit.
Set interface output
switch(config)#interface fastEthernet 2
switch(config-if)#bandwidth out 100
bandwidth out
[Value]
bandwidth. Rate Range is
from 100 kbps to 102400
kbps or to 256000 kbps
for giga ports, and zero
means no limit.
Show interfaces
bandwidth control
switch(config)#interface fastEthernet 2
switch(config-if)#show bandwidth
show bandwidth
I
I
Use the state interface
configuration command to
specify the state mode of
operation for Ethernet
ports. Use the disable
form of this command to
disable the port.
switch(config)#interface fastEthernet 2
switch(config-if)#state Disable
state
[Enable | Disable]
C-3
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Command Set Lists
switch(config)#interface fastEthernet 2
Show interface
show interface configuration
I
configuration status
switch(config-if)#show interface
configuration
Show interface actual
status
switch(config)#interface fastEthernet 2
switch(config-if)#show interface status
show interface status
I
I
Show interface statistic
counter
switch(config)#interface fastEthernet 2
switch(config-if)#show interface
accounting
show interface accounting
Clear interface
accounting information
switch(config)#interface fastEthernet 2
switch(config-if)#no accounting
no accounting
I
C-4 Trunk Commands Set
Level
Commands
Description
Example
aggregator priority
[1~65535]
Set port group system
priority
switch(config)#aggregator priority 22
G
aggregator activityport
[Group ID]
Set activity port
switch(config)#aggregator activityport
2
G
G
[Port Numbers]
aggregator group
[GroupID] [Port-list]
lacp
Assign a trunk group with switch(config)#aggregator group 1 1-4
LACP active.
lacp workp 2 or
[GroupID]: 1~3
switch(config)#aggregator group 2
1,4,3 lacp workp 3
[Port-list]: Member port
list. This parameter could
be a port range (ex.1-4) or
a port list separate by a
comma (ex.2, 3, 6)
workp
[Workport]
[Workport]: The amount of
work ports. This value
could not be less than
zero or be large than the
amount of member ports.
aggregator group
[GroupID] [Port-list]
nolacp
Assign a static trunk
group.
switch(config)#aggregator group 1 2-4
nolacp or
G
[GroupID]:1~3
switch(config)#aggregator group 1
3,1,2 nolacp
[Port-list]: Member port
list. This parameter could
be a port range (ex.1-4) or
a port list separate by a
comma ex.2, 3, 6)
show aggregator
Show the information of
trunk group
switch#show aggregator 1 or
switch#show aggregator 2 or
switch#show aggregator 3
P
no aggregator lacp
[GroupID]
Disable the LACP
function of trunk group
switch(config)#no aggreator lacp 1
G
G
no aggregator group
[GroupID]
Remove a trunk group
switch(config)#no aggreator group 2
C-5 VLAN Commands Set
Commands
Level Description
Example
C-4
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Command Set Lists
vlan database
Enter VLAN configure
mode
switch#vlan database
P
V
Vlanmode
To set switch VLAN
mode.
switch(vlan)#vlanmode portbase
[portbase| 802.1q | gvrp]
or
switch(vlan)#vlanmode 802.1q
or
switch(vlan)#vlanmode gvrp
no vlan
No VLAN
Switch(vlan)#no vlan
V
Ported based VLAN configuration
vlan port-based grpname
[Group Name]
grpid
Add new port based
VALN
switch(vlan)#vlan port-based grpname
test grpid 2 port 2-4
V
or
switch(vlan)#vlan port-based grpname
test grpid 2 port 2,3,4
[GroupID]
port
[PortNumbers]
show vlan [GroupID]
or
Show VLAN information
switch(vlan)#show vlan 23
V
V
show vlan
no vlan group
[GroupID]
Delete port base group ID switch(vlan)#no vlan group 2
IEEE 802.1Q VLAN
vlan 8021q name
[GroupName]
vid
Change the name of
VLAN group, if the group
didn’t exist, this command
can’t be applied.
switch(vlan)#vlan 8021q name test vid
22
V
V
[VID]
vlan 8021q port
[PortNumber]
Assign a access link for
VLAN by port, if the port
belong to a trunk group,
this command can’t be
applied.
switch(vlan)#vlan 8021q port 3
access-link untag 33
access-link untag
[UntaggedVID]
vlan 8021q port
[PortNumber]
trunk-link tag
Assign a trunk link for
VLAN by port, if the port
belong to a trunk group,
this command can’t be
applied.
switch(vlan)#vlan 8021q port 3
trunk-link tag 2,3,6,99
or
V
V
switch(vlan)#vlan 8021q port 3
trunk-link tag 3-20
[TaggedVID List]
vlan 8021q port
[PortNumber]
hybrid-link untag
[UntaggedVID]
tag
Assign a hybrid link for
VLAN by port, if the port
belong to a trunk group,
this command can’t be
applied.
switch(vlan)#vlan 8021q port 3
hybrid-link untag 4 tag 3,6,8
or
switch(vlan)#vlan 8021q port 3
hybrid-link untag 5 tag 6-8
[TaggedVID List]
vlan 8021q trunk
[PortNumber]
Assign a access link for
VLAN by trunk group
switch(vlan)#vlan 8021q trunk 3
access-link untag 33
V
V
access-link untag
[UntaggedVID]
vlan 8021q trunk
[PortNumber]
Assign a trunk link for
VLAN by trunk group
switch(vlan)#vlan 8021q trunk 3
trunk-link tag 2,3,6,99
or
trunk-link tag
switch(vlan)#vlan 8021q trunk 3
trunk-link tag 3-20
[TaggedVID List]
vlan 8021q trunk
[PortNumber]
Assign a hybrid link for
VLAN by trunk group
switch(vlan)#vlan 8021q trunk 3
hybrid-link untag 4 tag 3,6,8
V
C-5
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Command Set Lists
hybrid-link untag
[UntaggedVID]
tag
or
switch(vlan)#vlan 8021q trunk 3
hybrid-link untag 5 tag 6-8
[TaggedVID List]
show vlan [GroupID]
or
show vlan
Show VLAN information
switch(vlan)#show vlan 23
V
V
no vlan group
[GroupID]
Delete port base group ID switch(vlan)#no vlan group 2
C-6 Spanning Tree Commands Set
Commands
Level Description
Example
spanning-tree enable
Enable spanning tree
switch(config)#spanning-tree enable
G
G
G
spanning-tree priority
[0~61440]
Configure spanning tree
priority parameter
switch(config)#spanning-tree priority
32768
Use the spanning-tree
max-age global
configuration command to
change the interval
switch(config)#spanning-tree max-age
15
spanning-tree max-age
[seconds]
between messages the
spanning tree receives
from the root switch. If a
switch does not receive a
bridge protocol data unit
(BPDU) message from
the root switch within this
interval, it recomputes the
Spanning Tree Protocol
(STP) topology.
spanning-tree hello-time
[seconds]
Use the spanning-tree
hello-time global
switch(config)#spanning-tree
hello-time 3
G
configuration command to
specify the interval
between hello bridge
protocol data units
(BPDUs).
Use the spanning-tree
forward-time global
configuration command to
set the forwarding-time for
the specified
spanning-tree forward-time
[seconds]
switch(config)#spanning-tree
forward-time 20
G
spanning-tree instances.
The forwarding time
determines how long
each of the listening and
learning states last before
the port begins
forwarding.
stp-path-cost
Use the spanning-tree
cost interface
switch(config)#interface fastEthernet 2
switch(config-if)#stp-path-cost 20
I
[1~200000000]
configuration command to
C-6
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Command Set Lists
set the path cost for
Spanning Tree Protocol
(STP) calculations. In the
event of a loop, spanning
tree considers the path
cost when selecting an
interface to place into the
forwarding state.
stp-path-priority
[Port Priority]
Use the spanning-tree
port-priority interface
configuration command to
configure a port priority
that is used when two
switches tie for position
as the root switch.
switch(config)#interface fastEthernet 2
switch(config-if)#stp-path-priority 128
I
stp-admin-p2p
[Auto|True|False]
stp-admin-edge
[True|False]
Admin P2P of STP priority switch(config)#interface fastEthernet 2
I
I
I
on this interface.
switch(config-if)#stp-admin-p2p Auto
switch(config)#interface fastEthernet 2
switch(config-if)#stp-admin-edge True
Admin Edge of STP
priority on this interface.
stp-admin-non-stp
[True|False]
Admin NonSTP of STP
priority on this interface.
switch(config)#interface fastEthernet 2
switch(config-if)#stp-admin-non-stp
False
show spanning-tree
no spanning-tree
Displays a summary of
the spanning-tree states.
switch>show spanning-tree
E
Disable spanning-tree.
switch(config)#no spanning-tree
G
C-7 QoS Commands Set
Commands
Level Description
Example
qos policy
Select QoS policy
scheduling
G
G
switch(config)#qos policy weighted-fair
[weighted-fair|strict]
qos prioritytype
Set up QoS priority type
switch(config)#qos prioritytype
[port-based|cos-only|tos-onl
y|cos-first|tos-first]
qos priority portbased
[Port]
[lowest|low|middle|high]
Configure Port-based
priority
G
G
G
switch(config)#qos priority portbased 1
low
qos priority cos
[Priority][lowest|low|middle|h
igh]
Configure COS Priority
Configure TOS Priority
switch(config)#qos priority cos 0
middle
switch(config)#qos priority tos 3 high
qos priority tos
[Priority][lowest|low|middle|h
igh]
switch#show qos
show qos
Displays the information
of QoS configuration
P
switch(config)#no qos
no qos
Disable QoS function
G
C-8 IGMP Commands Set
Commands
Level Description
Example
igmp enable
Enable IGMP snooping
function
switch(config)#igmp enable
G
C-7
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Command Set Lists
switch(config)#Igmp-query auto
switch(config)#Igmp-query force
Igmp-query auto
Igmp-query force
show igmp configuration
no igmp
Set IGMP query to auto
mode
G
G
P
Set IGMP query to force
mode
Displays the details of an switch#show igmp configuration
IGMP configuration.
Disable IGMP snooping
function
switch(config)#no igmp
switch#no igmp-query
G
G
no igmp-query
Disable IGMP query
C-9 Mac / Filter Table Commands Set
Commands
Level Description
Example
mac-address-table static
hwaddr
[MAC]
Configure MAC address
table of interface (static).
switch(config)#interface fastEthernet 2
switch(config-if)#mac-address-table
static hwaddr 000012345678
I
mac-address-table filter
hwaddr
Configure MAC address
table(filter)
switch(config)#mac-address-table filter
hwaddr 000012348678
G
[MAC]
show mac-address-table
Show all MAC address
table
switch#show mac-address-table
P
P
P
I
show mac-address-table
static
Show static MAC address switch#show mac-address-table static
table
show mac-address-table
filter
Show filter MAC address
table.
switch#show mac-address-table filter
no mac-address-table static
Remove an entry of MAC switch(config)#interface fastEthernet 2
hwaddr
[MAC]
address table of interface
(static)
switch(config-if)#no mac-address-table
static hwaddr 000012345678
no mac-address-table filter
hwaddr
[MAC]
Remove an entry of MAC switch(config)#no mac-address-table
address table (filter) filter hwaddr 000012348678
G
G
no mac-address-table
Remove dynamic entry of switch(config)#no mac-address-table
MAC address table
C-10 SNMP Commands Set
Commands
Level Description
Example
snmp system-name
[System Name]
Set SNMP agent system
name
switch(config)#snmp system-name
l2switch
G
G
G
G
G
snmp system-location
[System Location]
Set SNMP agent system
location
switch(config)#snmp system-location
lab
snmp system-contact
[System Contact]
Set SNMP agent system
contact
switch(config)#snmp system-contact
where
snmp agent-mode
[v1v2c|v3|v1v2cv3]
Select the agent mode of switch(config)#snmp agent-mode
SNMP
v1v2cv3
snmp community-strings
[Community]
right
Add SNMP community
string.
switch(config)#snmp
community-strings public right rw
[RO/RW]
snmp-server host
[IP address]
Configure SNMP server
host information and
community string
switch(config)#snmp-server host
192.168.1.50 community public
trap-version v1
G
C-8
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Command Set Lists
community
(remove)
[Community-string]
trap-version
[v1|v2c]
switch(config)#
no snmp-server host
192.168.1.50
snmpv3 context-name
[Context Name ]
Configure the context
name
switch(config)#snmpv3 context-name
Test
G
G
snmpv3 user
Configure the userprofile
for SNMPV3 agent.
Privacy password could
be empty.
switch(config)#snmpv3 user test01
group G1 password AuthPW PrivPW
[User Name]
group
[Group Name]
password
[Authentication Password]
[Privacy Password]
snmpv3 access
context-name [Context
Name ]
Configure the access
table of SNMPV3 agent
switch(config)#snmpv3 access
context-name Test group G1
security-level AuthPriv
G
group
match-rule Exact views V1 V1 V1
[Group Name ]
security-level
[NoAuthNoPriv|AuthNoPriv|
AuthPriv]
match-rule
[Exact|Prifix]
views
[Read View Name] [Write
View Name] [Notify View
Name]
snmpv3 mibview view
[View Name]
type
Configure the mibview
table of SNMPV3 agent
switch(config)#snmpv3 mibview view
V1 type Excluded sub-oid 1.3.6.1
G
[Excluded|Included]
sub-oid
[OID]
show snmp
Show SNMP
configuration
switch#show snmp
P
G
G
G
G
no snmp community-strings
[Community]
Remove the specified
community.
switch(config)#no snmp
community-strings public
no snmp-server host
[Host-address]
Remove the SNMP server switch(config)#no snmp-server host
host. 192.168.1.50
no snmpv3 user
[User Name]
Remove specified user of switch(config)#no snmpv3 user Test
SNMPv3 agent.
no snmpv3 access
context-name [Context
Name ]
Remove specified access switch(config)#no snmpv3 access
table of SNMPv3 agent.
context-name Test group G1
security-level AuthPr
group
iv match-rule Exact views V1 V1 V1
[Group Name ]
security-level
[NoAuthNoPriv|AuthNoPriv|
AuthPriv]
match-rule
[Exact|Prifix]
views
[Read View Name] [Write
C-9
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Command Set Lists
View Name] [Notify View
Name]
no snmpv3 mibview view
[View Name]
type
Remove specified
mibview table of SNMPV3 view V1 type Excluded sub-oid 1.3.6.1
agent.
switch(config)#no snmpv3 mibview
G
[Excluded|Included]
sub-oid
[OID]
C-11 Port Mirroring Commands Set
Commands
Level Description
Example
monitor
Configure source port of
monitor function
switch(config)#interface fastEthernet 2
switch(config-if)#monitor RX
I
G
G
P
I
[RX|TX|Both]
monitor rx [Port ID]
monitor tx [Port ID]
show monitor
Set RX destination port of switch(config)#monitor rx 2
monitor function
Set TX destination port of switch(config)#monitor tx 3
monitor function
Show port monitor
information
switch#show monitor
show monitor
Show port monitor
information
switch(config)#interface fastEthernet 2
switch(config-if)#show monitor
no monitor
Disable source port of
monitor function
switch(config)#interface fastEthernet 2
switch(config-if)#no monitor
I
C-12 802.1x Commands Set
Commands
Level Description
Example
8021x enable
Use the 802.1x global
switch(config)# 8021x enable
G
configuration command to
enable 802.1x protocols.
8021x system radiusip
[IP address]
Use the 802.1x system
radius IP global
switch(config)# 8021x system radiusip
192.168.1.1
G
configuration command to
change the radius server
IP.
8021x system serverport
[port ID]
Use the 802.1x system
server port global
configuration command to
change the radius server
port.
switch(config)# 8021x system
serverport 1812
G
G
G
G
8021x system accountport
[port ID]
Use the 802.1x system
account port global
configuration command to
change the accounting
port.
switch(config)# 8021x system
accountport 1813
8021x system sharedkey
[ID]
Use the 802.1x system
share key global
configuration command to
change the shared key
value.
switch(config)# 8021x system
sharedkey 123456
8021x system nasid
[words]
Use the 802.1x system
nasid global configuration test1
switch(config)# 8021x system nasid
C-10
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Command Set Lists
command to change the
NAS ID.
8021x misc quietperiod
[sec.]
Use the 802.1x misc quiet switch(config)# 8021x misc quietperiod
G
period global
10
configuration command to
specify the quiet period
value of the switch.
8021x misc txperiod
[sec.]
Use the 802.1x misc TX
period global
configuration command to
set the TX period.
switch(config)# 8021x misc txperiod 5
G
G
G
G
G
I
8021x misc supptimeout
[sec.]
Use the 802.1x misc supp switch(config)# 8021x misc
timeout global
configuration command to
set the supplicant timeout.
supptimeout 20
8021x misc servertimeout
[sec.]
Use the 802.1x misc
server timeout global
configuration command to
set the server timeout.
switch(config)#8021x misc
servertimeout 20
8021x misc maxrequest
[number]
Use the 802.1x misc max switch(config)# 8021x misc
request global
configuration command to
set the MAX requests.
maxrequest 3
8021x misc reauthperiod
[sec.]
Use the 802.1x misc
reauth period global
configuration command to
set the reauth period.
switch(config)# 8021x misc
reauthperiod 3000
8021x portstate
[disable | reject | accept |
authorize]
Use the 802.1x port state switch(config)#interface fastethernet 3
interface configuration
command to set the state
of the selected port.
switch(config-if)#8021x portstate
accept
show 8021x
no 8021x
Display a summary of the switch>show 8021x
802.1x properties and
also the port sates.
E
Disable 802.1x function.
switch(config)#no 8021x
G
C-13 TFTP Commands Set
Commands
Level Description
Defaults Example
backup flash:backup_cfg
Save configuration to TFTP
and need to specify the IP of flash:backup_cfg
TFTP server and the file
switch(config)#backup
G
G
G
name of image.
restore flash:restore_cfg
upgrade flash:upgrade_fw
Get configuration from TFTP switch(config)#restore
server, and specify the IP of flash:restore_cfg
TFTP server and the file
name of image.
Upgrade firmware by TFTP,
and specify the IP of TFTP
server and the file name of
image.
switch(config)#upgrade
flash:upgrade_fw
C-11
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Command Set Lists
C-14 SystemLog, SMTP and Event Commands Set
Commands
systemlog ip
[IP address]
Level Description
Example
Set System log server IP
switch(config)# systemlog ip
192.168.1.100
G
address.
systemlog mode
Specify the log mode.
switch(config)# systemlog mode both
G
[client|server|both]
show systemlog
show systemlog
Display system log.
Switch>show systemlog
E
P
Show system log client & switch#show systemlog
server information.
no systemlog
smtp enable
Disable systemlog
function.
switch(config)#no systemlog
switch(config)#smtp enable
G
Enable SMTP function.
G
G
smtp serverip
[IP address]
Configure SMTP server
IP.
switch(config)#smtp serverip
192.168.1.5
smtp authentication
Enable SMTP
authentication.
switch(config)#smtp authentication
switch(config)#smtp account John
switch(config)#smtp password 1234
G
G
G
G
P
smtp account
[account]
Configure authentication
account.
smtp password
[password]
Configure authentication
password.
smtp rcptemail
Configure Rcpt e-mail
Address.
switch(config)#smtp rcptemail 1
[Index] [Email address]
show smtp
Show the information of
SMTP.
switch#show smtp
no smtp
Disable SMTP function.
Set cold start event type.
switch(config)#no smtp
G
G
event device-cold-start
[Systemlog|SMTP|Both]
switch(config)#event device-cold-start
both
event authentication-failure
[Systemlog|SMTP|Both]
Set Authentication failure
event type.
switch(config)#event
authentication-failure both
G
G
I
event ring-topology-change
[Systemlog|SMTP|Both]
event systemlog
Set X-ring topology
changed event type.
switch(config)#event
ring-topology-change both
Set port event for system switch(config)#interface fastethernet 3
log.
[Link-UP|Link-Down|Both]
switch(config-if)#event systemlog both
event smtp
Set port event for SMTP.
switch(config)#interface fastethernet 3
switch(config-if)#event smtp both
I
[Link-UP|Link-Down|Both]
show event
Show event selection.
switch#show event
P
no event device-cold-start
Disable cold start event
type.
switch(config)#no event
device-cold-start
G
no event
authentication-failure
Disable Authentication
failure event type.
Switch(config)#no event
authentication-failure
G
G
I
no event
ring-topology-change
Disable X-ring topology
changed event type.
switch(config)#no event
ring-topology-change
no event systemlog
no event smpt
Disable port event for
system log.
switch(config)#interface fastethernet 3
switch(config-if)#no event systemlog
Disable port event for
SMTP.
switch(config)#interface fastethernet 3
switch(config-if)#no event smtp
I
show systemlog
Show system log client & switch#show systemlog
P
server information.
C-12
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Command Set Lists
C-15 SNTP Commands Set
Commands
Level Description
Example
sntp enable
Enable SNTP function.
switch(config)#sntp enable
G
sntp daylight
Enable daylight saving
time. If SNTP function is
inactive, this command
can’t be applied.
switch(config)#sntp daylight
G
sntp daylight-period
[Start time] [End time]
Set period of daylight
saving time. If SNTP
function is inactive, this
command can’t be
applied.
switch(config)# sntp daylight-period
20060101-01:01 20060202-01:01
G
G
Parameter format:
[yyyymmdd-hh:mm]
sntp daylight-offset
[Minute]
Set offset of daylight
saving time. If SNTP
function is inactive, this
command can’t be
applied.
switch(config)#sntp daylight-offset 3
sntp ip
[IP]
Set SNTP server IP, if
SNTP function is inactive,
this command can’t be
applied.
switch(config)#sntp ip 192.169.1.1
switch(config)#sntp timezone 22
G
G
sntp timezone
[Timezone]
Set timezone index, use
“show sntp timzezone”
command to get more
information of index
number.
show sntp
Show SNTP information.
switch#show sntp
P
P
show sntp timezone
Show index number of
time zone list.
switch#show sntp timezone
no sntp
Disable SNTP function.
switch(config)#no sntp
G
G
no sntp daylight
Disable daylight saving
time.
switch(config)#no sntp daylight
C-16 X-Ring Commands Set
Commands
Level Description
Example
ring enable
Enable X-Ring.
switch(config)#ring enable
switch(config)#ring master
switch(config)#ring couplering
switch(config)#ring dualhoming
switch(config)#ring ringport 7 8
G
G
G
G
G
ring master
Enable Ring Master.
Enable Couple Ring.
Enable Dual Homing
ring couplering
ring dualhoming
ring ringport
Configure 1st/2nd Ring
Port.
[1st Ring Port] [2nd Ring
Port]
ring couplingport
[Coupling Port]
Configure Coupling Port.
Configure Control Port.
switch(config)#ring couplingport 1
switch(config)#ring controlport 2
G
G
ring controlport
[Control Port]
C-13
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Command Set Lists
switch(config)#ring homingport 3
ring homingport
Configure Dual Homing
Port.
G
P
[Dual Homing Port]
show ring
Show the information of X switch#show ring
- Ring.
no ring
Disable X-Ring.
switch(config)#no ring
G
G
G
G
no ring master
no ring couplering
no ring dualhoming
Disable Ring Master.
Disable Couple Ring.
Disable Dual Homing.
switch(config)# no ring master
switch(config)# no ring couplering
switch(config)# no ring dualhoming
C-14
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