24 Port 100BASE-TX
Plus One Dual Port Module Bay
Managed Switch
MIL-SM2401M
USER GUIDE
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Table of Contents
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1.
Introduction
The MIL-SM2401M managed switch is an ideal solution for applying
services at the edge of the network infrastructure. It provides wire-speed,
Fast Ethernet switching providing high-performance data transfer. The
switch features a store-and-forward architecture with auto-learning of
source addresses with an 8K-entry MAC address table.
Figure 1-1. The MIL-SM2401M switch
The switch provides 24 switched 10/100Mbps Fast Ethernet UTP ports
and one dual port module. The module offers a broad selection of
10/100/1000 Mbps ports in either UTP or Fiber optics.
With built-in Web-based Management, managing and configuring the
switch is simplified. The Web Browser may be used to configure and
manage the network, from cabinet level management to port level control
and monitoring. Use of a mouse replaces typing of command strings.
The switch can also be managed via Telnet, Console, or SNMP
Management.
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Features
ꢀ Conforms to IEEE 802.3, 802.3ab, 802.3ad, 802.3u, 802.3z,
802.1d, 802.1p, 802.1Q and 802.3x standard
ꢀ 24 auto-sensing 10/100Mbps Ethernet RJ-45 ports
ꢀ Automatic MDI/MDIX crossover for 10Base-T and 100Base-TX
ports
ꢀ One Extension Slot for 2 x100FX, 2 x 1000SX, 1000T+
1000SX, 2 X 1000T Mbps modules (Optional)
ꢀ N-way Auto-negotiation supported
ꢀ Back-Pressure-Base flow control on Half-duplex link mode
ꢀ Pause-Frame-Base flow control on Full-duplex link mode
ꢀ Store-and-forwarding switching architecture for abnormal
packet filtering
ꢀ Back Plane 8.8G
ꢀ Full wire speed forwarding rate
ꢀ 6K-entry MAC address table
ꢀ 3Mbits for shared packet buffer
ꢀ LED-indicators for Power, 100M, LK/ACT, Full/Collision
Gigabit module: Gigabit Fiber port (Link/Activity), Gigabit
Copper port (Link/Activity, Full Duplex, 100Mbps, 1000Mbps)
100 Mbps fiber module: Link/Activity, Full Duplex
ꢀ 19-inch design for desktop or rackmount
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Intelligent Management Features
ꢀ Web-based management
ꢀ SNMP network management
ꢀ Console and Telnet management
ꢀ Port Based VLAN and IEEE 802.1q Tag VLAN, and VLAN
group up to 256, VLAN ID up to 4K
ꢀ IEEE 802.1ad Port Trunk and IEEE 802.3ad Port Trunk with
LACP (Link Aggregation Control protocol) supported
ꢀ IEEE 802.1d Spanning Tree
ꢀ MIB II (RFC1213) supported
ꢀ IGMP Querier, IGMP Snooping, up to 256 IGMP groups
ꢀ Quality of Service (system provides 8 levels) and Class of
service (per port Hi/Low Queue)
ꢀ Port Mirroring
ꢀ Broadcast Filtering
ꢀ Static MAC Address filtering
ꢀ Port Security static or dynamic through 802.1x
ꢀ GVRP
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Package Contents
Unpack the contents of the package and verify them against the checklist
below.
ꢀ MIL-SM2401M Switch
ꢀ Power Cord
ꢀ Four Rubber Feet
ꢀ Rack Mount Ears
ꢀ RS-232 cable
ꢀ User Guide (CD Manual)
ꢀ Warranty Card
If any item is missing or damaged, please contact your local dealer for
service.
Management Methods
The MIL-SM2401M switch series support the following management
methods:
ꢀ Console and Telnet Management
ꢀ Web-based Management
ꢀ SNMP Network Management
Console and Telnet Management
Console Management is done through the RS-232 Console Port.
Managing the switch in this method requires a direct connection between
a PC and the switch. Telnet management requires a network connection.
The default IP address is 192.168.1.77 with a subnet mask of
255.255.255.0. This default address can be used to login and change
the configuration using Telnet.
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Web-based Management
The switch provides an embedded HTML web server residing in flash
memory. It offers advanced management features and allows users to
manage the switch from anywhere on the network through a standard
browser such as Microsoft Internet Explorer or Netscape.
SNMP Network Management
SNMP (Simple Network Management Protocol) provides a means to
monitor and control network devices, and to manage configurations,
statistic collection, performance, and security.
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2.
Hardware Description
Front Panel
The Front Panel of the MIL-SM2401M switch series consists of 24
100Mbps Fast Ethernet ports, one module bay, one console port, one
LED-Indicator for Power, and two LED-Indicators (LNK/ACT, FDX/COL)
for each UTP port.
Console
Port
LED
Fast Ethernet Ports Module Bay
Indicators
Figure 2-1. Front Panel for MIL-SM2401M
ꢀ
ꢀ
100BASE-TX UTP Ports: The MIL-SM2401M comes with 24
100Mbps Fast Ethernet UTP ports.
Modules: The MIL-SM2401M a broad range of modules. Check
with your MiLAN sales representative for details.
ꢀ Console Port: Console management can be done through the
Console Port. It requires a direct connection between the switch and
an end station (PC) via a RS-232 cable.
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LED Indicators
The LED Indicators give real-time information of systematic operation
status. The following table provides descriptions of LED statuses and
their meaning.
Figure 2-2. LED indicators
LED
Status
Green
Off
Description
Power On.
Power
Power is not connected.
Green
Blinks
Off
The port is connecting with the device.
The port is receiving or transmitting data.
No device attached.
LNK/ACT
FDX/COL
Yellow
Off
The port is operating in Full-duplex mode.
No device attached or in half-duplex mode.
Table 2-1. The Description of LED Indicators
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Rear Panel
The 3-pronged power plug and ventilation fan are located at the rear
panel of the MIL-SM2401M as shown in Figure 2-3. The Switch will work
with AC in the range 100-240V AC, 50-60Hz.
On/Off
Switch
Figure 2-3. The Rear Panel of the MIL-SM2401M Switch
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Desktop Installation
Set the switch on a sufficiently large flat space with a power outlet
nearby. The surface where you put your switch should be clean, smooth,
level, and sturdy. Provide enough clearance around the switch to allow
attachment of cables, power cord and air circulation.
Attaching Rubber Feet
A. Make sure the mounting surface on the bottom of the Switch is
grease and dust free.
B. Remove adhesive backing from the rubber feet.
C. Apply the rubber feet to each corner on the bottom of the switch.
These footpads can prevent the Switch from shock/vibration.
Figure 2-4. Attaching Rubber Feet to each corner on the bottom of the Switch
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Rack-mounted Installation
The MIL-SM2401 comes with a rack-mounted kit and can be mounted in
an EIA standard size, 19-inch rack. The Switch can be placed in a wiring
closet with other equipment.
Perform the following steps to rack mount the switch:
A. Position one bracket to align with the holes on one side of the switch
and secure it with the smaller bracket screws. Then attach the
remaining bracket to the other side of the Switch.
Figure 2-4. Attach mounting brackets with screws
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B. After attaching both mounting brackets, position the MIL-SM2401M
in the rack by lining up the holes in the brackets with the appropriate
holes on the rack. Secure the Switch to the rack with a screwdriver
and the rack-mounting screws.
Figure 2-5. Mount the MIL-SM2401M in an EIA standard 19-inch Rack
Note: For proper ventilation, allow at least 4 inches (10 cm) of clearance
on the front and 3.4 inches (8 cm) on the back of the Switch. This is
especially important for enclosed rack installation.
Power On
Connect the power cord to the power socket on the rear panel of the
Switch. Connect the other end of the cord to an appropriate power outlet.
The internal power supply in the switch works with AC in the voltage
range 100-240VAC, frequency 50~60Hz.
Press the power On/Off switch to the On position and check the power
indicator on the front panel to see if power is properly supplied.
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3.
Network Application
Segment Application
For enterprise networks where large data broadcasts are constantly
processed, this switch is suitable for department users to connect to the
corporate backbone.
You can use the MIL-SM2401M switch to connect PCs, workstations,
and servers to each other by connecting these devices directly to the
switch. The modular ports can also connect to an upstream network
device.
You can use the optional Fiber ports in the dual port module bay of the
MIL-SM2401M to connect with another Switch or Hub to interconnect
each of your small, switched workgroups to form a larger and long
distance switched network.
Figure 3-1. Use the MIL-SM2401M switch ports to connect multiple devices in the
segment.
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Segment Bridge
For larger structured networks, this switch is an ideal solution for
department users to connect to the corporate backbone.
In the illustration below, two Ethernet switches with PCs and print server,
and a local server are connected to the MIL-SM2401M. The devices in
this network can communicate with each other through the MIL-
SM2401M. Connecting servers to the Switch allows other users to
access the server’s data.
Figure 3-2. Departmental Application
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4.
Network Configuration
Connecting a Terminal or PC to the Console Port
Console management involves the administration of the switch via a
direct connection to the RS-232 console port. This port is a female DB-9
connector. From the main menu of the console program, the user has
access to manage the functions of the switch.
Figure 4-1. Connecting the switch to a terminal via RS-232 cable
Use the supplied RS-232 cable to connect a terminal or PC to the
console port. The terminal or PC to be connected must support the
terminal emulation program.
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After the connection between Switch and PC is finished, turn on the PC
and run a terminal emulation program or Hyper Terminal to match the
following default characteristics of the console port:
Baud Rate: 9600 bps
Data Bits: 8
Parity: none
Stop Bits: 1
Flow Control: None
Figure 4-2. The settings of communication parameters
After you have entered the parameter settings, press the Enter Key and
the Main Menu of console management appears.
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Console – Menu
1. The switch also provides a serial interface to manage and monitor the
switch. The user can follow the Console Port Information provided by
the web to use the Windows HyperTerminal program to link the
switch.
2. Type the user name and password to login. The default user name is
root; the default password is root.
3. The timeout on the console port is 60 seconds. If no action is taken
on the console screen for one minute, the program reverts back to the
logon screen and a new login is necessary in order to continue.
4. The switch is shipped with a default IP address of 192.168.1.77. The
default subnet mask is 255.255.255.0.
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4-1. Main Menu
There are five items for selection as follows:
Status and Counters: Show the status of the switch.
Switch Static Configuration: Menus to configure the switch.
Protocol Related Configuration: Configures the protocol features.
Reboot Switch: Restarts the system or resets switch to the default configuration.
Logout: Exits the menu line program.
<Control Key>
The control keys listed below are provided in all menus:
Tab: Move the cursor to next item.
Backspace: Move the cursor to previous item.
Enter: Selects item.
Space: Toggle selected item to next configuration.
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4-2. Status and Counters
Press the Tab or Backspace key to choose an action item, and then press
Enter key to select the item.
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4-2-1. Port Status
Type: Displays the port type of either 100Mbps or 1000Mbps.
Link: Displays the port's link. “Down” the port has no link, and “Up” the port
has a link with the remote device.
State: A port that is enabled will be displayed as “Enable”. A port that is
disabled will be displayed as “Disable”.
Negotiation: Displays the state of Auto-negotiation as either "Auto" or
"Fixed".
Speed / Duplex: Displays the port speed and duplex mode.
FC: Displays the flow control for the port as being either on or off.
BP: Indicates if Back Pressure capability is enabled or disabled, only valid
for HDX mode of operation.
Bandwidth In: Indicates the Ingress bandwidth rate limiting speed in
increments of 100 kbps, 0 indicates port is at full bandwidth in.
Bandwidth Out: Indicates the Egress bandwidth rate limiting speed in
increments of 10 kbps, 0 indicates port is at full bandwidth out.
Priority: Indicates whether traffic received on this port is put into the high
priority or low priority queue or do not care.
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Security: Indicates whether or not source MAC address based traffic
filtering is enabled on the port.
Actions->
Press the Tab or Backspace key to choose action menu, and then press
the Enter key to select the item.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits the port status page, and returns to previous menu.
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4-2-2. Port Counters
The following information provides a view of the current status of the unit.
Select Refresh to view updated statistics or select Clear to reset all
counters to 0.
Actions->
Press the Tab or Backspace key to choose action menu, and then press
the Enter key to select item.
<Refresh>: Updates statistics on all counters.
<Clear>: Sets all counters to 0.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits the port counters page, and returns to previous menu.
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4-2-3. System Information
System Description: Displays the name of device.
MAC Address: The unique hardware address assigned by manufacturer.
Firmware Version: Displays the switch’s firmware version.
Hardware Version: Displays the switch’s hardware version.
Module Information: Displays module type and description.
Actions->
<Quit>: Exits the system information page, and returns to previous menu.
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4-3. Switch Static Configuration
Press the Tab or Backspace key to choose action menu, and then press
the Enter key to select item.
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4-3-1. Administration Configuration
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4-3-1-1. Device Information
Name: 10 characters can be used to give the switch a unique name in order
to distinguish it on the network. After configuration this name will show at
the top of each menu screen.
Description: 32 characters can be used to describe the switch.
Location: 32 characters can be used to give a location of the switch.
Content: 32 characters can be used to describe devices attached.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured value.
<Quit>: Exits the device information page and returns to previous menu.
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4-3-1-2. IP Configuration
This menu enables the user to change the default settings of the IP
address, subnet mask and gateway. Rebooting the switch is necessary to
have the configuration change take affect.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits the IP configuration page and returns to previous menu.
Note: Rebooting the switch is necessary to have the configuration change
take effect.
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4-3-1-3. Change Username
Use this screen to change the User Name. The default user name is root.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits the user name configuration page and returns to previous
menu.
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4-3-1-4. Change Password
Use this screen to change the Password. The default password is root.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits the password configuration page and returns to previous
menu.
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4-3-2. Port Configuration
This page can change every port status.
Press the TAB key to select each item and press the SPACE key to change
the configuration of each item.
State: Displays current port status. The port can be set to disable or enable
mode. If the port setting is set to disable, the port will not receive or transmit
any packets.
Negotiation: Displays current auto negotiation setting status of each port.
Speed/Duplex: Each port can be set for link speed and duplex mode.
FC / BP: User can set flow control function to enable or disable. FC (Flow
control for full duplex link mode), BP (Backpressure for half duplex mode).
Bandwidth In/ Out: User can determine packet transmission rate control for
each port. Per level is 100Kbps. Individual control method of TX and RX is
supported.
Priority: User cab set each port to high or low priority.
Security: User can enable or disable port security function.
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Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits the port configuration page and returns to previous menu.
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4-3-3. Trunk Configuration
This page can configure trunk groups.
Press the TAB key to select each item and press the SPACE key to change
the configuration of each item.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits the trunk configuration page and returns to previous menu.
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4-3-4. Port Mirroring Configuration
Port mirroring is a method for monitoring traffic in switched networks. Traffic
through ports can be monitored by one specific port. The traffic being
received or transmitted by the monitored ports will be duplicated into the
monitoring port. Press the Space key to change the configuration of an item.
Mirroring state: User can select Mirror mode for TX packet only, RX
packet only or Both.
Analysis port: The port to which all traffic to be mirrored will be sent.
Press the SPACE key to mark each of the ports that should be mirrored.
Actions->
<Quit>: Exits the port mirroring configuration page and returns to previous
menu.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
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4-3-5. VLAN Configuration
This page can set VLAN mode to port-based VLAN, 802.1Q VLAN or disable
VLAN function.
All ports are automatically placed in VLAN 1, the default VLAN. To create new
VLANs, use the Create a VLAN Group menu and add a VLAN. Make sure
when you enter a VLAN name you do not leave spaces. For example VLAN2
is correct; VLAN 2 will give an error. The VLAN name can be any 15
alphanumeric characters. Special characters are not allowed.
NOTE: When changes are made to the VLAN mode, it is recommended that
the device be rebooted to ensure system integrity.
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4-3-5-1. VLAN Configure
Choose a VLAN
In the VLAN Configure menu select the type of VLAN you want to configure: VLAN
Disabled (default), Port Based VLAN, or IRRR802.1Q Tag based VLAN. Save the
configuration. There are 3 different options for VLANs to choose from using
the space bar: Disabled, Port Based and 802.1Q.
To configure a new VLAN, select Edit and then use the tab key to select items you
want to configure. The space bar allows you to select the different options.
After adding a VLAN group, the configuration option Edit a VLAN Group will allow
you to change the membership by adding or deleting ports.
Port Based VLANs
These VLANs only apply to this switch. The VLANs can be overlapping, meaning
that any port can belong to more than one VLAN. One configuration that is
common for port based VLANs is to have all the ports on the switch on separate
VLANs except for the port that has the server connected. The port connected to
the server belongs to all the VLANs. This enables security between ports but
allows all ports access to the server. Up to 256 different port based VLANs may be
configured.
IEEE802.1Q VLANs
If IEEE802.1Q VLANs is selected, all the ports will belong to the default
VLAN 1.
If more than one VLAN is necessary, the additional VLANs may be created.
PVID (Port VID): Set the port VLAN ID that will be assigned to untagged
traffic on a given port. This feature is useful for accommodating devices that
you want to participate in the VLAN, but don’t support tagging. Only one
untagged VLAN is allowed per port. Other VLANs need to be tagged.
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Ingress Filter 1: If this is set, the port will only forward packets with VID
(VLAN ID) matching this port’s configured VID. Press the Space key to
choose forward or drop the frame with the VID not matching this port’s
configured VID.
Ingress Filter 2: Drop untagged frame. Press the Space key to choose
drop or forward the untagged frame.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-3-5-2. Create a VLAN Group
Create Port-Based VLAN
Select <Edit> to create a port-based VLAN and add member/nonmember ports to
it.
1. VLAN Name: Type a name for the new VLAN using 15 alphanumeric
characters and no spaces.
2. Group ID: Type the VLAN group ID. The group ID range is 1~4096.
3. Member: Press the Space key to choose VLAN member type. There are
two selections:
Member: The port is member port.
NO: The port is NOT member port.
4. Press “ESC” go back to the action menu line.
5. Select <Save> to save all configured values.
NOTE: If the trunk groups exist, it will be displayed (ex: TRK1, TRK2…) after
port26. The user can configure select if it is the member of the VLAN or not.
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Create 802.1Q VLAN
Select <Edit> to create a 802.1Q VLAN and add tagged /untagged member ports
to it.
1. VLAN Name: Type a name for the new VLAN using 15 alphanumeric
characters and no spaces.
2. VLAN ID: Type a VID (between 1~4096). The default is 1. There are 256
VLAN groups provided to configure.
3. Protocol VLAN: Press the Space key to choose the protocol type.
4. Member: Press the Space key to choose the VLAN member. There are
three selections:
UnTagged: This port is the member port of this VLAN group and
outgoing frames are NO VLAN-Tagged frames.
Tagged: This port is the member port of this VLAN group and outgoing
frames are VLAN-Tagged frames.
NO: The port is NOT member of this VLAN group.
5. Press “ESC” go back action menu line.
6. Select <Save> to save all configured values.
NOTE: If the trunk groups exist, it will be displayed (ex: TRK1, TRK2…) after
port26. The user can configure select if it is the member of the VLAN or not.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-3-5-3. Edit / Delete a VLAN Group
Use this menu to edit or delete a VLAN group.
When editing the chosen VLAN, the user can change the protocol VLAN or
a member port. A new protocol can be configured and the ports can be
changed to tagged or untagged or deleted as member ports from this VLAN.
In edit mode the VLAN Name and VLAN ID are read-only and cannot be
modified. VLAN1, the default VLAN, can never be deleted.
1. Press <Edit> or <Delete> item.
2. Choose the VLAN group to edit or delete by using the TAB key, and
then press Enter.
3. User can change the protocol VLAN or a member port.
4. After editing or deleting a VLAN, press the <Save> key to save all
configured values.
NOTE: The VLAN Name and VLAN ID cannot be modified. The default
VLAN cannot be deleted.
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Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Delete>: Deletes selected VLAN Groups.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-3-5-4. Groups Sorted Mode
Use this menu to select the VLAN groups sorted mode. There are two
selections:
Name: Sorted by name
VID: Sorted by VID
The results can be viewed on the Edit/Delete a VLAN Group screen.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-3-6. Priority Configuration
Level (0-7): There are eight (0 to 7) priority levels that can be mapped as
high or low priority queues.
QoS Mode: User can select the ratio of high priority packets and low priority
packets by pressing the Space key.
High Low Queue service ratio: 1:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, FIFO, HꢁL
First In First Out (FIFO): The sequence of packets sent depends on arrival
order.
High to Low (HꢁL): The high priority packets are sent before the low
priority packets.
Ratio (1:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1): Select the preference given to
packets in the switch's high-priority queue. These options represent the
number of high priority packets sent before one low priority packet is sent.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-3-7. MAC Address Configuration
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4-3-7-1. Static MAC Address
When a static MAC address is added, it 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 device is disconnected or powered-off and then becomes
active again.
The menu shows the current configured static MAC addresses. The user
can add, modify or delete a static MAC address. Once added, the MAC
address will be listed on this page.
Add static MAC address
1. Press the <Add> key. Then press the <Edit> key on this menu to add a
static MAC address.
2. Enter the MAC address to and from which the port should permanently
forward traffic, regardless of the devices network activity.
3. In the Port num field, enter the port number for the device.
4. If tag-based (802.1Q) VLANs are configured, the static addresses are
associated with individual VLANs. Enter the VID to associate with the
MAC address.
5. Press ESC to go back action menu line, and then select <Save> to save
all configured values.
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Edit static MAC address
1. Press <Edit> key to modify a static MAC address.
2. Choose the MAC address that you want to modify and then press enter.
3. Press the <Edit> key to modify all the items.
4. Press ESC to go back action menu line, and then select <Save> to save
all configured values.
Delete static MAC address
1. Press the <Delete> key to delete a static MAC address.
2. Choose the MAC address that you want to delete and then press enter.
3. After delete static MAC address, you must press <Save> to complete the
deletion.
Actions->
<Add>: Adds a static MAC address.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Delete>: Deletes selected static MAC addresses.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-3-7-2. Filtering MAC Address
Edit Filtering MAC address
1. Press the <Edit> key to modify a static Filtering address.
2. Choose the MAC address that you want to modify and then press enter.
3. Press the <Edit> key to modify all the items.
4. Press ESC to go back action menu line, and then select <Save> to save
all configured values.
Delete Filtering MAC address
1. Press the <Delete> key to delete a Filtering MAC address.
2. Choose the MAC address that you want to delete and then press enter.
3. After delete Filtering MAC address, you must press <Save> to complete
the deletion.
Actions->
<Add>: Adds a static filtering address.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
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<Delete>: Deletes selected static filtering addresses.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-3-8. Miscellaneous Configuration
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
4-3-8-1. MAC Address Ageing Time
To configure a different MAC Address Ageing Time, type the number of
seconds that an inactive MAC address remains in the switch’s address table
before it is deleted. Once the address is removed from the table, a device
will have to send out broadcast packets to be relearned by the switch and
have its address put in the table. The valid range is 300 to765 seconds.
Default is 300 seconds.
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4-3-8-2. Broadcast Storm Filtering
Broadcast storm filtering is used to limit the amount of broadcast traffic on
the network. An excessive amount of broadcast traffic can inhibit data
packets from timely delivery.
The valid threshold values are 5%, 10%, 15%, 20%, 25% and NO. If the
broadcast traffic is greater than the configured value, broadcast packets will
be dropped. The default is NO. The default is set so that no broadcast
packets are ever dropped no matter how many broadcast packets there are
on the network.
4-3-8-3. Max Bridge Transmit Delay Bound
Max bridge transmit delay bound (0,1-4 sec): Limits the packets queuing
time in the switch. If enabled, the packets exceeding the queuing time will
be dropped. Press the Space key to set the time. Valid values are 1sec,
2sec, 4sec and Off. The default is 1 second when this feature is enabled.
This setting does not depend on what values are set in the “Priority
Configuration” menu.
Enable Delay Bound: If this parameter is enabled, the “Max bridge transmit
delay bound” must also be configured. This item allows you to limit queuing
time of the low priority packets in the switch. When the low priority packets
exceed the “Max Delay Time” they will be transmitted. Press the Space key
to enable or disable this function. By default the Enable Delay Bound is set
to OFF.
Max Delay Time: Set the time that low priority packets are queued in the
switch. The valid range is 0 to 255 ms. Since the default is OFF, the Max
Delay Time is 0. This item must be set if “Enable Delay Bound” is
configured.
NOTE: “Max bridge transmit delay bound control” must be enabled before
Max Delay Bound is enabled.
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4-3-8-4. Collision Retry Forever
Collisions Retry Forever: User can choose to disable collision retry forever and,
if a collision occurs in half-duplex mode, the switch will attempt to send the packet
48 times and then drop the frame. When enabled, a collision that occurs in half-
duplex mode will result in repeated attempts by the switch forever.
4-3-8-5. Hash Algorithm
This Hash Algorithm is for hardware maintenance on the MAC table calculation.
This field should only be changed if an excessive amount of MAC address
table collisions are seen. It changes the hashing algorithm for storing new
MAC addresses in local memory.
4-3-8-6. IFG Compensation
IFG compensation: Disable or Enable
Provides the ability to compensate for shorter inter-frame gaps during rate
limiting. It is recommended that this selection remain disabled.
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4-4. Protocol Related Configuration
4-4-1. STP
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4-4-1-1. STP Enable
This page enables or disables the Spanning Tree function. Press the Space
key to select Enabled or Disabled.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-1-2. STP System Configuration
All devices in the spanning tree instance will utilize the same values as the
root bridge to ensure consistency throughout the network. If this device
becomes the root bridge, then the other switches in the STP instance will
utilize its values.
Spanning tree information for the Root Bridge on the left is for display only.
Configure new values for the STP parameter on the right.
You must enable STP function before selecting the configuration menu.
Priority: The value used to identify the root bridge. The bridge with the
lowest value has the highest priority and is selected as the root. Enter a
number 1 through 65535.
Max Age: The number of seconds a bridge waits without receiving
Spanning-Tree Protocol configuration messages before attempting a
reconfiguration. Enter a number 6 through 40.
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Hello Time: The number of seconds between the transmission of Spanning-
Tree Protocol configuration messages. Enter a number 1 through 10.
Forward Delay Time: The number of seconds a port waits before changing
from its Spanning-Tree Protocol learning and listening states to the
forwarding state. Enter a number 4 through 30.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-1-3. STP Per Port Configuration
State: Spanning tree status for each port is either forwarding or blocking.
PathCost: Specifies the path cost of the port that the switch uses to
determine which ports are the forwarding ports. If you change the value, you
need to restart the switch for valid value change to take effect.
Priority: Specifies the path cost of the port that the switch uses to determine
which ports are the forwarding ports. The lowest number is picked as the
forwarding port. The range is 1-65535 and the default value is based on
IEEE802.1D standard. The values should be in the range: 10Mb/s = 50-
600
100Mb/s = 10-60.
If you change the value, you must reboot the switch to save the value
change.
On the action menu line press <Next Page> to configure Port 9 through Port 26 or
press <Previous Page> returns to last page.
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Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Displays the previous page.
<Next Page>: Displays the next page.
<Quit>: Exits this page and returns to previous menu.
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4-4-2. SNMP
Any Network Management station running the Simple Network Management
Protocol (SNMP) can manage the switch provided that the Management
Information Base (MIB) is installed. SNMP is a protocol that governs the
transfer of information between management and agent. The switch
supports SNMP V1.
Use this menu to define management stations as trap managers and to
enter SNMP community strings. Users can also define a name, location,
and contact person for the switch.
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4-4-2-1. SNMP System Options
Press <Edit> to enter all items, ESC to return to the action menu, and then
press <Save> to save the configured values.
System Name: Enter a name to identify the switch.
System Contact: Enter the name of the contact person or organization.
System Location: Enter the location of the switch.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-2-2. Community Strings
Community strings serve as passwords and can be entered as one of the
following:
Read only: Enables requests accompanied by this string to display MIB-
object information.
Read Write: Enables requests accompanied by this string to display MIB-
object information and to set MIB objects.
Community Name: Enter the name of current community strings. The
default is “public”.
Write Access: Enables the permissions for Read Only or Read/Write.
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Add Community Strings
1. Press the <Add> key. Then press the <Edit> key on this menu to
add a SNMP Trap Manager.
2. Enter the Community Name and select the Write Access setting for
the Community String.
3. Press ESC to go back action menu line, and then select <Save> to
save all configured values.
Edit Community Strings
1. Press <Edit> key to modify a Community String.
2. Choose the Community Name that you want to modify and then press
enter.
3. Enter the correct Community Name and Write Access setting.
4. Press ESC to go back action menu line, and then select <Save> to
save all configured values.
Delete Community Strings
1. Press the <Delete> key to delete a Community String.
2. Choose the Community Name that you want to delete and then press
enter.
3. After deleting the Community String, you must press <Save> to
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Actions->
<Add>: Creates a trap manager.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Delete>: Deletes a community string. After deleting, press <Save> to
complete the deletion.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-2-3. Trap Managers
A trap manager is a management station that receives traps. The switch
generates system alerts. If no trap manager is defined, no traps are issued.
Create a trap manager by entering the IP address of the station and a
community string.
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Add SNMP Trap Managers
4. Press the <Add> key. Then press the <Edit> key on this menu to
add a SNMP Trap Manager.
5. Enter the IP address and Community Name for the SNMP Trap
Manager.
6. Press ESC to go back action menu line, and then select <Save> to
save all configured values.
Edit SNMP Trap Managers
5. Press <Edit> key to modify a SNMP Trap Manager.
6. Choose the IP address and Community Name that you want to modify
and then press enter.
7. Enter the correct IP Address and Community Name.
8. Press ESC to go back action menu line, and then select <Save> to
save all configured values.
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Delete SNMP Trap Managers
4. Press the <Delete> key to delete a SNMP Trap Manager.
5. Choose the IP Address and Community Name that you want to delete
and then press enter.
6. After deleting the SNMP Trap Manager, you must press <Save> to
complete the deletion.
Actions->
<Add>: Creates a trap manager.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Delete>: Deletes a trap manager. After deleting, press <Save> to
complete the deletion.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-3. GVRP
Use the GVRP Configuration screen to enable or disable GVRP (GARP
VLAN Registration Protocol) support.
Press the Space key to choose Enabled or Disabled.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-4. LACP
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4-4-4-1. Working Ports
Group: Displays the trunk group ID.
NOTE: Before setting LACP support, you must first set the trunk group
using the Port / Trunk Configuration screen.
LACP: Press the Space key to enable or disable LACP (Link Aggregation
Control Protocol) support. If enabled, the group is an LACP static trunking
group. If disabled, the group is a local static trunking group.
LACP Work Port Num: The maximum number of ports that can be
aggregated at the same time. If the group is an LACP static trunking group,
the exceed ports is standby and able to aggregate if the work ports fail. If
the group is a local static trunking group, the number must be the same as
group ports.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-4-2. LACP State Activity
Active: The port automatically sends LACP protocol packets.
Passive: The port does not automatically sends LACP protocol packets,
and responds only if it receives LACP protocol packets from the opposite
device.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-4-3. LACP Status
When setting a trunking group, the relationship status information may be
seen on the LACP Group Status screen.
Actions->
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-4-5. 802.1x Configuration
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4-4-5-1. 802.1x Enable
Use this screen to enable or disable 802.1x. Press the Space key to choose
Enabled or Disabled mode.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-5-2. 802.1x System Configuration
Use the 802.1x System Configuration screen to configure the IEEE 802.1x
parameters.
Radius Server IP: Enter the Radius Server IP address.
Shared Key: Enter an encryption key for use during authentication sessions
with the specified radius server. This key must match the encryption key
used on the Radius Server.
NAS, Identifier: Enter the identifier for the radius client.
Server Port: Enter the UDP destination port for authentication requests to
the specified Radius Server.
Accounting Port: Enter the UDP destination port for accounting requests to
the specified Radius Server.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-4-5-3. 802.1x Per Port Configuration
Press the Space key to select Disable, Accept, Reject or Authorize for the
State of each port.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Displays previous page.
<Next Page>: Displays next page.
<Quit>: Exits this page and returns to previous menu.
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4-4-5-4. 802.1x Miscellaneous Configuration
Quiet period: Enter the period during which the port doesn’t try to acquire a
supplicant.
Tx period: Enter the period the port waits to retransmit next EAPOL PDU
during an authentication session.
Supplicant timeout: Enter the period of time the switch waits for a
supplicant response to an EAP request.
Server timeout: Enter the period of time the switch waits for a server
response to an authentication request.
Reauthorize Maximum: Enter the number of authentication that must time-
out before authentication fails and the authentication session ends.
Reauthorize period: Enter the period of time after which clients connected
must be re-authenticated.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to previous menu.
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4-5. System Reset Configuration
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4-5-1. Factory Default
Use this menu to restore all factory default settings. Pressing y will reset the
switch configuration settings to their factory defaults. Rebooting the switch is
necessary for the new configurations to take effect.
y: Resets the switch to the factory default configuration. The software
version that the switch will be reset to can be found on the “System
Information” menu under the main menu “Status and Counters”.
N: Returns to the previous menu.
Warning: The unit must be allowed to complete restart process to restore
the defaults without an interruption. Manually powering off the system
before the process has been completed may result in corrupted memory
and may cause the unit to not start or come up in an unknown state.
4-5-2. System Reboot
Reboots the switch to enable items that have been configured.
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4-5-3. TFTP Configuration
Use this screen to update firmware, restore EEPROM values or upload
current EEPROM value.
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4-5-3-1. TFTP Update Firmware
Use this screen to update firmware from the TFTP server.
Start the TFTP server, and copy the firmware update version image file to
TFTP server.
TFTP Server IP: Enter the IP address of the TFTP server.
Firmware File Name: Enter the image file name.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Starts download of image file from the TFTP server. When the
save is successful, the image is downloaded. Rebooting the switch is
necessary to have the new firmware version take effect.
<Quit>: Exits this page and returns to previous menu.
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4-5-3-2. TFTP Restore Configuration
Use this screen to restore an EEPROM value or save a previous version of
the image file from the TFTP server.
Start the TFTP server, and copy the firmware update version image file to
TFTP server.
TFTP Server IP: Enter the IP address of the TFTP server.
Restore File Name: Enter the image file name.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Starts the download of the configuration file from the selected
source file on the TFTP server. Reboot is necessary for the new
configuration to take effect.
<Quit>: Exits this page and returns to previous menu.
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4-5-3-3. TFTP Backup Configuration
Use this screen to save the current EEPROM value to an image file. Then
go to the update configuration page to restore the EEPROM value.
Start the TFTP server, and copy the firmware update version image file to
TFTP server.
TFTP Server IP: Enter the IP address of the TFTP server.
Restore File Name: Enter the image file name.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Starts the upload of the current configuration to the selected
destination file on the TFTP server.
<Quit>: Exits this page and returns to previous menu.
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4-6. Xmodem Upgrade
1. While booting the switch, press the X key to start the Xmodem routine on
the device.
2. Pressing X will cause the switch Xmodem application to begin and cause
the baud rate to change to 57600 bps. You will need to disconnect the
cable connected to the serial port, and change the baud rate of your
hyper-terminal application on your laptop to 57600 bps, then connect the
cable and reconnect to the switch.
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3. Select “send file" under the "transfer" menu from menu bar.
4. Press the "browse" button to select the path.
5. Select "1K Xmodem" of protocol and press the "Send" button.
6. After successfully upgrading to the new firmware, change the baud rate
back to the default 9600bps.
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5.
Web-Based Management
This section introduces the configuration and functions of the web-based management
of MIL-SM2401M switch series. The managed switch series provides an embedded
HTML website residing in flash memory. It offers advanced management
features and allow users to manage the device from anywhere on the
network through a standard browser such as Internet Explorer or
Netscape.
Web-Based Management supports Internet Explorer 5.0. It is based on
Java Applets with an aim to reduce network bandwidth consumption,
enhance access speed and present an easy viewing screen.
Note: By default, Internet Explorer 5.0 or later versions do not allow
Java Applets to open sockets. The user must explicitly modify the
browser setting to enable Java Applets to use network ports.
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5-1. System Login
1. Launch Internet Explorer or Netscape.
2. Type http:// and the IP address of the switch in the Location or
Address field. The default IP Address is 192.168.16.1.
3. Press Enter.
Figure 5-1: The Password Window
4. In the login screen, type the user name and password. The
default is root for both.
5. Press Enter or Click OK and the Home Page screen for web-
based management will appear.
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5-2. Port Status
State: Displays port status off or on depending on user setting. “Unlink”
means the port is offline or “off ”.
Link Status: Down is “No Link”, UP is “Link”.
Auto Negotiation: Displays the auto negotiation mode. There are three
selections: Auto, Force and Nway-force.
Speed status: Displays link speeds of 1000Mbps or 100Mbps or 10Mbps.
Ports 1- 24 are 10/100Mbps, Ports 25-26 are 10/100/1000Mbps.
Duplex status: Displays full-duplex or half-duplex mode.
Flow Control: Displays the flow control status as enabled or disabled in
full-duplex mode.
Backpressure: Displays the backpressure status as enabled or disabled in
half-duplex mode.
Rate Control: Displays the rate control setting.
Ingr: Displays the port effective ingress rate of user settings in
increments of 100 Kbps.
Egr: Display the port effective egress rate of user settings in
increments of 100 Kbps.
Priority: Displays the port static priority status is High or Low or disable.
Port Security: Displays the port security as enabled or disabled.
Config: Displays the setting configured by the user.
Actual: Displays the negotiation result.
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5-3. Port Statistics
The following information provides a view of the current status of the unit.
Pressing the Reset button will return all counts to zero.
Left click mouse on the desired port on the graphical image of the switch to
get specific information for that port.
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5-4. Administrator
The management functions include IP address, switch settings, console port
information, port controls, trunking, filter database, VLAN configuration,
spanning tree, port mirroring, SNMP, security manager, TFTP update
firmware, configuration backup, system reset, and reboot.
5-4-1. IP Address
The IP Settings can be changed by entering new values and clicking the
Apply button. The switch must be reset for the new IP address to take
effect.
Default IP: 192.168.1.77
Subnet Mask: 255.255.255.0
Gateway: 192.168.1.6
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5-4-2. Switch Setting
5-4-2-1. Basic
System Description: Displays the name of device type.
Firmware Version: Displays the switch’s downloaded firmware version.
Kernel version: Displays write to default EEPROM value version.
Hardware Version: Displays the switch’s hardware version.
MAC Address: Displays unique hardware address assigned by
manufacturer.
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5-4-2-2. Advanced Settings
MAC Address Entry Age-out Time: Enter the number of seconds that an
inactive MAC address remains in the switch's address table. The valid range
is 300 to 765 seconds. Default is 300 seconds.
Max bridge transmit delay bound control: Limits the packets queuing
time in the switch. If enabled, the packets that exceed the time limit in the
queue will be dropped. This valid values are 1sec, 2 sec, 4 sec and off.
Default is 1 second.
Enable Low Queue Delay Bound: Limits the low priority packets queuing
time in switch. If a low priority packet in the switch exceeds the Max Delay
Time, it will be sent. The valid range is 1to 255 ms.
NOTE: Make sure the “Max bridge transit delay bound control” is enabled
before enabling Delay Bound. The Enable Delay Bound only works under
“Max bridge transit delay bound control is enabled” situation.
Broadcast Storm Filter: The threshold is the percentage of the port's total
bandwidth used by broadcast traffic. To configure broadcast storm control,
first enable it and then set the upper threshold for each individual port.
When broadcast traffic for a port rises above the threshold set, broadcast
storm control becomes active. The valid threshold values are 5%, 10%,
15%, 20%, 25% and OFF.
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Priority Queue Service settings:
First Come First Service: The sequence of packets sent is dependent on the
order of arrival. The first packets in the queue are transmitted before any
other packets.
All High before Low: The high priority packets are sent before the low
priority packets.
Weighted Round Robin: This option enables the user to choose a ratio of
the number of high priority packets sent before one low priority packet is
sent. For example, 2:1 (2 High : 1 Low) will have the switch send 2 high
priority packets before sending 1 low priority packet.
Qos Policy: High Priority Levels: 0 to 7 priority level can map to a high or
low queue. When the VLAN Tag number of a frame is mapping as a high
priority level, this frame always has high priority. In this example, the QoS
policy applies to the switch, not for a single port.
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5-4-2-3 Miscellaneous Settings
Collisions Retry Forever:
Disabled – In half duplex, if a collision occurs, the switch will retry 48 times
and then drop frame.
Enabled – In half duplex, if a collision occurs, the switch will retry forever.
802.1x Protocol: Select enable or disable for 802.1x protocol.
Hash Algorithm: CRC Hash or Direct Map for MAC address learning
algorithm.
IFG Compensation: Seelct enable or disable for Internal Packet Gap time
compensation configuration.
IGMP Query Mode: Recognizes different queries from clients or servers to
decide which Query will be the first priority. The modes are:
Auto Mode: Chooses the switch that has the smallest IP address to be
set for the IGMP Query mode.
Enable Mode: Enables the switch to be the IGMP Querier.
Disable Mode: Disables all other switches from being the IGMP
Querier.
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IGMP Theory of Operation
The following three topologies detail how IGMP Query works and to be
configured within a network:
1. Auto mode needs to be enabled when the router’s IP address is smaller
than other switches in the subnet.
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2. IGMP needs to be enabled when the router’s IP address is not smaller
than other switches in the subnet. This Router supports IGMP protocol, but
IGMP has to be enabled, and the Router has to be the Querier.
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3. The following topology must be set when the IP address of the switch is
not the smallest in the subnet. The network will cause a multi-cast storm
from the IGMP client report if it is in Auto mode. All switches must be in
disable mode when the VOD server is configured for IGMP Querier.
Note: It is suggested that the VOD server switch have the smallest IP
address.
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5-4-3. Console Port Information
Console is a standard UART interface to communicate with a serial port.
The Windows HyperTerminal program can be used to link the switch with
the console port. In order to change any of these parameters, you must be
connected to the console port.
Baud rate (bits/sec): 9600
Data Bits: 8
Parity Check: none
Stop Bits: 1
Flow Control: none
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5-4-4. Port Controls
The menu allows changing of port configurations.
State: User can disable or enable each port.
Negotiation: User can set auto negotiation mode for each port to Auto,
Nway (specify the speed/duplex on this port and enable auto-negotiation) or
Force.
Speed: User can set 100Mbps or 10Mbps speed on Ports 1 to 24. User can
set 1000Mbps, 100Mbps or 10Mbps speed on Ports 25 and 26, depending
on module installed.
Duplex: User can set full-duplex or half-duplex mode for each port.
Flows control: User can set flow control function to enabled (ON) or
disabled (OFF) in Full Duplex mode.
Back Pressure: User can set backpressure to enabled (ON) or disabled
(OFF) in Half Duplex mode.
Band Width: Ports 1 to 24 support by-port ingress and egress rate control.
For example, if port 1 is set to 10Mbps, you can set it’s effective egress rate
to 1Mbps and ingress rateto 500Kbps. The MIL-SM2401M will perform flow
control or backpressure to confine the ingress rate to meet the specified
rate.
In: Enter the port effective ingress rate. The valid range is 0 to 1000. The
unit is 100K.
0: disable rate control.
1 to 1000: valid rate value
Out: Enter the port effective egress rate. The valid range is 0 to 1000.
The unit is 100K.
0: disable rate control.
1 to 1000: valid rate value.
Priority: This static priority is based on each port setting. If the port priority
is set high, incoming frames from this port will always be high priority
frames.
Security: A port in security mode will be “locked” unless address learning is
enabled. Only the incoming packets with SMAC already existing in the
address table can be forwarded normally. User can disable the port from
learning any new MAC addresses, and then use the static MAC
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addresses screen to define a list of MAC addresses that can use the
secure port.
Enter the settings, then click Apply button to save the changes on this
page.
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5-4-5. Trunking
The Link Aggregation Control Protocol (LACP) standardized means for
exchanging information between Partner Systems on a link to allow their
Link Aggregation Control instances. To reach agreement on the identity of
the Link Aggregation Group to which the link belongs, move the link to that
Link Aggregation Group, and enable its transmission and reception
functions in an orderly manner. Link aggregation allows grouping of up to
eight consecutive ports into a single dedicated connection. This feature can
expand bandwidth to a device on the network. LACP operation requires
full-duplex mode. For more detailed information refer to IEEE 802.3ad.
If there are two trunk groups A and B, and B group is enabled LACP, then it
will act as a redundant link (Backup group for Trunk group A). If trunk group
A fails, Group B will be it's backup.
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5-4-5-1. Aggregator Setting
System Priority: A value used to identify the active LACP. The switch with
the lowest value has the highest priority and is selected as the active LACP.
To create a trunk across two or more ports:
1. Group ID: Choose the "Group ID" and click "Get".
2. LACP: If enabled, the group supports LACP. If disabled, the group is a
local static trunking group between two switches. All ports support LACP
dynamic trunking group. If connecting to another device that also
supports LACP, the LACP dynamic trunking group will be created
automatically.
3. Work ports: Enter the maximum number of ports that can be aggregated
at the same time. If the group is an LACP static trunking group, the
exceed ports is standby and able to aggregate if work ports fail. If the
group is a local static trunking group, the number must be the same as
group ports.
4. Select the ports to join the trunking group. If LACP is enabled, you can
configure LACP Active/Passive status for each port.
5. Click the Apply button to save the new configuration.
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5-4-5-2. Aggregator Information
The LACP Aggregator relation information is displayed as shown.
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5-4-5-3. State Activity
Active (selected): The active port automatically sends LACP protocol
packets.
Passive (not selected): The passive port does not automatically send LACP
protocol packets, but responds only if it receives LACP protocol packets
from the other device.
A link having either two active LACP ports or one active port can perform
dynamic LACP trunking. A link that has two passive LACP ports will not
perform dynamic LACP trunking because both ports are waiting for an LACP
protocol packet from the opposite device.
If the port has active LACP’s, and you select the trunking port, the active
status will be created automatically.
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5-4-6. Forwarding and Filtering
5-4-6-1. IGMP Snooping
The switch supports IP multicasting. You can enable IGMP via the web
management’s configuration screen. In addition, you can view different
multicast groups, VIDs and member ports, and IP multicast addresses that
range from 224.0.0.0 through 239.255.255.255.
The Internet Group Management Protocol (IGMP) is an internal protocol of
the Internet Protocol (IP) suite. IP manages multicast traffic by using
switches, routers, and hosts that support IGMP. Enabling IGMP allows the
ports to detect IGMP queries and report packets and manage IP multicast
traffic through the switch. IGMP has three fundamental types of messages.
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
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
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5-4-6-2. Static MAC Address
When a static MAC address is added, it remains in the switch's address
table, regardless of whether or not the device is physically connected to the
switch. This saves the switch from having to re-learn a device's MAC
address when the device is disconnected or powered-off.
To add a static MAC address:
1. Click on Administrator on the main menu.
2. Click on Filter Database.
3. Click Static MAC Addresses. In the MAC address box, enter the MAC
address to and from which the port should permanently forward traffic,
regardless of the device's network activity.
4. In the Port Number box, select a port number.
5. If tag-based (IEEE 802.1Q) VLANs are set up on the switch, static
addresses are associated with individual VLANs. Type the VID (tag-
based VLANs) to associate with the MAC address.
6. Click the Add button.
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5-4-6-3. MAC Filtering
MAC address filtering allows the switch to drop unwanted traffic. Traffic is filtered
based on the destination addresses.
Steps to specify a MAC address to filter:
1. In the MAC Address box, enter the MAC address to filter.
1. If tag-based (802.1Q) VLAN are set up on the switch, in the VLAN ID
box, type the VID to associate with the MAC address.
2. Click the Add button.
3. To delete a MAC address, highlight the selection in the table you want to
delete and then click the Delete button.
NOTE: Changing the VLAN type in the Advanced Switch Setting menu will
cause the contents of this table to clear.
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5-4-7. VLAN Configuration
A Virtual LAN (VLAN) is a logical network grouping that limits the broadcast
domain. It allows you to isolate network traffic so only members of the VLAN
receive traffic from the same VLAN members. Basically, creating a VLAN
from a switch is logically equivalent of reconnecting a group of network
devices to another Layer 2 switch. However, all the network devices are still
plugged into the same switch physically.
The MIL-SM2401M supports port-based, 802.1Q (tag-based) and protocol-
based VLANs. VLAN support is Disabled and all ports belong to a single
broadcast domain by default.
NOTE: Rebooting the switch is necessary for changes to take effect.
Support Port-based VLANs
Ethernet frames received on a port are sent only to ports belonging to the
same VLAN group of ports. All ports default belonging to the same VLAN
group. The VLAN information included in Ethernet frames tagged with
VLAN IDs is ignored by the switch in Port Based VLAN mode.
Support Tag-based VLAN (IEEE 802.1Q VLAN)
The IEEE 802.1Q specification is the standard for Port-based Tagging.
Therefore, it is possible to create a VLAN across devices from different
switch suppliers. IEEE 802.1Q VLAN uses a technique to insert a “tag” into
the Ethernet frames. The tag contains a VLAN Identifier (VID) that indicates
the VLAN numbers.
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Support Protocol-based VLAN
In order for an end station to send packets to different VLANs, it has to be
either capable of tagging the packets it sends with VLAN tags OR be
attached to a VLAN-aware bridge. The VLAN-aware bridge must be capable
of classifying and tagging the packet with different VLAN ID. The
classification and tagging of the packets is based on default PVID and other
information about the packet, such as the protocol.
MIL-SM2401M will support protocol-based VLAN classification by means of
both built-in knowledge of layer 2 packet formats used by selected popular
protocols, such as Novell IPX and AppleTalk’s EtherTalk, and some degree
of programmable protocol matching capability.
Create a VLAN and add tagged member ports to it.
1. Click the Add button to create a new VLAN group.
2. Enter the VLAN name, group ID and select the members for the new
VLAN.
3. Click the Apply button.
4. If the number of groups exceeds the limit for a single page, click the
NextPage button to view other VLAN groups.
NOTE: Use the Edit button to view and modify existing VLAN Groups.
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5-4-7-1. 802.1Q (802.1Q VLAN)
On this page, the user can create Tag-based VLANs, and enable or disable
GVRP protocol. There are 256 VLAN groups provided to configure. If
802.1Q VLAN is enabled, then all ports on the switch belong to the default
VLAN1. The default VLAN1 can’t be deleted.
GVRP (GARP VLAN Registration Protocol)
GVRP allows automatic VLAN configuration between the switch and nodes.
A GVRP request can be sent using the VID of a VLAN defined on the switch
when the switch is connected to a device with GVRP enabled. The switch
will automatically add that device to the existing VLAN.
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Basic
To create a VLAN and add tagged member ports to it:
1. Select the Add button to create a new VLAN.
2. Enter a name for the new VLAN.
3. Enter a VLAN ID (2 to 4094). The default is 1.
4. Choose the protocol type. Default is NONE.
5. From the Available ports box, select ports to add to the switch and
click Add. If the trunk groups exist, you can see it here
(ex:TRK1,TRK2…) and configure it as a member of the VLAN or not.
6. Click the Next button.
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Use this page to set the outgoing frames are VLAN-Tagged frames or not,
and then click the Apply button.
Tag: Outgoing frames with VLAN-Tagged.
Untag: Outgoing frames without VLAN-Tagged.
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5-4-7-2. Port VID
To configure port VID settings:
From the main 802.1Q VLAN page, click Port VLAN ID Settings.
VLAN ID
Set the port VLAN ID that will be assigned to untagged traffic on a given
port. This feature is useful for accommodating devices that you want to
participate in the VLAN but that don’t support tagging. Only one untagged
VLAN is allowed per port. Other VLANs need to be tagged. The VLAN ID
must be the same as the VLAN ID of the port that belongs to the VLAN
group, or the untagged traffic will be dropped.
Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN to be forwarded if
the port belongs to that VLAN.
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Enable: Forward only packets with VID matching this port's configured VID.
Disable: Disable Ingress filter function.
Acceptable Frame Type
ALL: All packets are acceptable.
Tag Only: Only packets that match the VLAN ID will have permission to go
through the port.
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5-4-8. Spanning Tree
The Spanning-Tree Protocol (STP) is a standardized method (IEEE 802.1D)
for avoiding loops in switched networks. When STP is enabled it ensures
that only one path at a time is active between any two nodes on the
network.
Spanning-Tree Protocol can be enabled using web management’s switch
setting advanced item, and selecting enable Spanning-Tree protocol. By
default, spanning tree is disabled on the switch.
It is recommended that STP be enabled on all switches to ensure a single
active path on the network.
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Information about the current spanning tree status is displayed in this
table.
The priority and path cost can be configured for each port. Click the Apply
button to modify the configuration.
Parameter
Description
A change to the Port Priority affects which port will be the root port.
The lowest number has the highest priority. The range is 0-255 and
the default setting for all ports is 128. If you change the value, you
must reboot the switch.
Port
Priority
Path Cost specifies the path cost of the port that the switch uses to
determine which ports are the forwarding ports. The lowest
number becomes the forwarding port. The range is 1-65535 and
the default value is based on IEEE802.1D
Path Cost
10Mb/s = 50-600
100Mb/s = 10-60
If you change the value, you must reboot the switch.
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5-4-9. Port Mirroring
The Port Mirroring feature is disabled by default. Selecting enable from the
pull down menu will cause the selected traffic from the selected monitor
ports to be mirrored to the selected analysis port. Press the Apply button to
submit the changes.
Port Mirroring State: Enables or Disables the port mirroring function.
Enabled states include Rx, Tx or Both.
Analysis Port: All mirrored traffic is sent out this port.
Monitor Port: The ports you want to mirror. All source port traffic will be
copied to a mirror port. You can select a maximum of 25 source ports in the
switch. If you want to disable the function, you must select monitor port to
none.
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5-4-10. SNMP
A SNMP is a protocol that governs the transfer of information between
management and agent. The switch supports SNMP V1. Any Network
Management station running the Simple Network Management Protocol
(SNMP) can manage the switch provided that the Management Information
Base (MIB) is installed.
Use this menu to define management stations as trap managers and to
enter SNMP community strings. Users can also define community strings for
a name, location, and contact person for the switch.
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1. System Options – The length of each can be 26 characters.
Name: Enter a name to be used for the switch.
Location: Enter the location of the switch.
Contact: Enter the name of a person or organization.
2. Community strings serve as passwords and can be entered as one
of the following:
RO (Read only): Enables requests accompanied by this string to display
MIB-object information.
RW (Read write): Enables requests accompanied by this string to display
MIB-object information and to set MIB objects.
3. Trap Manager
A trap manager is a management station that receives traps. Traps are the
system alerts generated by the switch. If no trap manager is defined, no
traps are issued. Create a trap manager by entering the IP address of the
station and a community string.
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5-4-11. Security Manager
The user can change the user name and password to keep the switch
secure. After entering a new user name and password, click the Apply
button to submit the changes. The default user name and password are
below.
User Name: root
Password: root
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5-4-12. 802.1x
When the IEEE 802.1x function is enabled, the parameters may be
configured here.
5-4-12-1. System Configuration
Radius Server IP: Set the Radius Server IP address.
Server Port: Set the UDP destination port for authentication requests to the
specified Radius Server.
Accounting Port: Set the UDP destination port for accounting requests to
the specified Radius Server.
Shared Key: Set an encryption key for use during authentication sessions
with the specified radius server. This key must match the encryption key
used on the Radius Server.
NAS, Identifier: Set the identifier for the radius client.
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5-4-12-2. Per Port Configuration
Each port can be configured to one of the following four states:
Reject: The specified port is required to be held in the Unauthorized state.
Accept: The specified port is required to be held in the Authorized state.
Authorized: 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.
Disable: The specified port is required to be held in the Authorized state.
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5-4-12-3. 802.1x Miscellaneous Configuration
Quiet period: Set the period during which the port doesn’t try to acquire a
supplicant.
Tx period: Set the period the port waits to retransmit next EAPOL PDU
during an authentication session.
Supplicant timeout: Set the period of time the switch waits for a supplicant
response to an EAP request.
Server timeout: Set the period of time the switch waits for a server
response to an authentication request.
Max requests: Set the number of authentication that must time-out before
authentication fails and the authentication session ends.
Reauth period: Set the period of time after which clients connected must be
re-authenticated.
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5-4-13. TFTP Update Firmware
The following menu options provide some system control functions to allow
a user to update firmware and remotely boot the switch system:
• Executing TFTP software
• Copy firmware update version image.bin to TFTP software directory.
• In web management select Administrator—TFTP update firmware.
• Download new image.bin file. In web management, press <update
firmware>.
5-4-14. Configuration Backup
5-4-14-1. TFTP Restore Configuration
Use this screen to set TFTP server address. You can restore EEPROM
value from here, but you must put the image back in the TFTP server. The
switch will download back flash image.
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5-4-14-2. TFTP Backup Configuration
Use this screen to set the TFTP server IP address. You can save current
EEPROM value from here, then go to the TFTP Restore Configuration
screen to restore the EEPROM value.
5-4-15. Factory Default
Resets the Switch to default configuration.
Default IP address: 192.168.16.1
Default Gateway: 192.168.16.254
Subnet mask: 255.255.255.0
All other settings default to either Disabled or no value.
5-4-16. Reboot
Select Reboot to restart the system with the current saved configuration.
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6.
Troubleshooting
This section is intended to help you solve some common problems
encountered while using the MIL-SM2401M switch series.
Incorrect connections
The switch auto-detects the polarity and direction of the UTP cable
attached. If no link I seen, then check the following:
ꢀ Faulty or loose cables
Look for loose or obviously faulty connections. If they appear to be
OK, make sure the connections are snug. If that does not correct
the problem, try different cables.
ꢀ Non-standard cables
Non-standard and miswired cables may cause numerous network
collisions and other network problems. This can seriously impair
network performance. A category 5 cable tester is a recommended
tool for every network installation.
ꢀ Improper Network Topologies
It is important to make sure that you have a valid network topology.
Common topology faults include excessive cable length and too
many repeaters or hubs between end nodes. In addition, you should
make sure that your network topology contains no data path loops.
Between any two ends nodes, there should be only one active
cabling path at any time. Data path loops will cause broadcast
storms that will severely impact your network performance.
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Diagnostic LED Indicators
The switch can be easily monitored through panel indicators to assist in
identifying problems.
If the power indicator does turn on when the power cord is plugged in,
you may have a problem with power outlet or power cord. However, if
the switch powers off after running for awhile, 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.
ꢀ Cabling
RJ-45 ports: Use unshielded twisted-pair (UTP) or shielded twisted-pair
(STP) cable for RJ-45 connections: 100Ω Category 3, 4 or 5 cable for
10Mbps connections or 100Ω Category 5 cable for 100Mbps
connections. Be sure that the length of any twisted-pair connection
does not exceed 100 meters (328 feet).
100BASE-FX and 1000BASE-X Fiber port: Multi-mode fiber connector
types must use 50/125 or 62.5/125 µm multi-mode fiber cable. Two
devices may be connected over a 2 kilometer distance. Single-mode
fiber connector types must use 9/125 µm single mode fiber cable. Two
devices may be connected over a15 to 60 kilometer distance in full
duplex operation in single mode.
1000Base-TX ports use all 8 wires for communication and requireCat-5
or better cable quality.
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7.
Technical Specifications
This section provides the specifications of MIL-SM2401M switch
product.
IEEE802.3 10BASE-T
Standards
IEEE802.3u 100BASE-TX/100BASE-FX
IEEE802.3z Gigabit SX/LX
Compliance
IEE802.3ab Gigabit 1000T
IEEE802.3x Flow Control and Back pressure
IEEE802.3ad Port Trunk
IEEE802.1d Spanning Tree Protocol
IEEE802.1p Class of service
IEEE802.1Q VLAN Tagging ANSI/IEEE 802.3 N-
Way Auto-negotiation
System Power
LED Indicators
10/100TX RJ-45 Port: Link/Active, Full-
duplex/Collision
Gigabit Fiber: Link/ Activity
Gigabit Copper: Link/Activity, Full Duplex, 100Mbps,
1000Mbps
100FX module: Link/Activity, Full Duplex
10/100TX: RJ-45
Connector
100FX(Multi /Single Mode fiber) module: SC
2 port Gigabit SX/LX module: SC
2 port Gigabit 1000T module: RJ-45
Switch
Store and Forward, Back-plane 8.8 Gbps
architecture
MAC address
6K Mac with Auto Learning
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Memory
3Mbits for packet buffer
Dimensions
440mm(W)*225mm(D)*44.5mm(H)
-40ºC to 70ºC (-40ºF to 158ºF)
0ºC to 45ºC (32ºF to 113ºF)
Storage Temp.
Operational
Temp.
Operational
Humidity
10% to 90% (Non-condensing)
Power Supply
EMI
100-240V AC, 50-60Hz
FCC Class A, CE Mark
UL, cUL
Safety
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90000410 Rev A
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