8 Port 100BASE-FX
Plus One SFP
Intelligent Fiber Switch
MIL-SM808GPxx
USER GUIDE
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To Contact MiLAN Technology
For prompt response when calling for service information, have the following information ready:
- Product serial number and revision
- Date of purchase
- Vendor or place of purchase
You can reach MiLAN Technology technical support at:
E-mail: [email protected]
Telephone: +1.408.744.2751
Fax: +1.408.744.2771
MiLAN Technology
1329 Moffett Park Drive
Sunnyvale, CA 94089
United States of America
Telephone: +1.408.744.2775
Fax: +1.408.744.2793
http://www.milan.com
© Copyright 2003 MiLAN Technology P/N: 90000407 Rev. A
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Table of Contents
1. Introduction
Features
Intelligent Management Features
Package Contents
Management Methods
Console and Telnet Management
Web-based Management
SNMP Network Management
2. Hardware Description
Front Panel
LED Indicators
Rear Panel
Desktop Installation
3. Network Application
Segment Application
4. Network Configuration
Connecting a Terminal or PC to the Console Port
Console - Menu
4-1. Main Menu
4-2. Status and Counters
4-2-1. Port Status
4-2-2. Port Counters
4-2-3. System Information
4-3. Switch Static Configuration
4-3-1. Administration Configuration
4-3-1-1. Device Information
4-3-1-2. IP Configuration
4-3-1-3. Change Username
4-3-1-4. Change Password
4-3-2. Port / Trunk Configuration
4-3-3. Port Mirroring Configuration
4-3-4. VLAN Configuration
4-3-4-1. VLAN Configure
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4-3-4-2. Create a VLAN Group
4-3-4-3. Edit / Delete a VLAN Group
4-3-5. Priority Configuration
4-3-6. MAC Address Configuration
4-3-6-1. Static MAC Address
4-3-6-2. Filtering MAC Address
4-3-7. Misc. Configuration
4-3-7-1. Port Security
4-3-7-2. MAC Age Interval
4-3-7-3. Broadcast Storm Filtering
4-3-7-4. Max Bridge Transmit Delay Bound
4-4. Protocol Related Configuration
4-4-1. STP
4-4-1-1. STP Enable
4-4-1-2. System Configuration
4-4-1-3. STP Port Configuration
4-4-2. SNMP
4-4-2-1. System Options
4-4-2-2. Community Strings
4-4-2-3. Trap Managers
4-4-3. GVRP
4-4-4. LACP
4-4-4-1. Aggregator Setting
4-4-4-2. State Activity
4-4-4-3. LACP Status
4-5. Switch Reboot
4-6. Updating Firmware using the Console Port
5. Web-Based Management
5-1. Web Management Home Overview
5-2. Port Status
5-3. Port Statistics
5-4. Administrator
5-4-1. IP Address
5-4-2. Switch Settings
5-4-2-1. Basic
5-4-2-2. Advanced
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5-4-3. Console Port Information
5-4-4. Port Controls
5-4-5. Trunking
5-4-5-1. Aggregator Setting
5-4-5-2. Aggregator Information
5-4-5-3. State Activity
5-4-6. Filter Database
5-4-6-1. IGMP Snooping
5-4-6-2. Static MAC Address
5-4-6-3. Port Security
5-4-6-4. MAC Filtering
5-4-7. VLAN Configuration
5-4-7-1. Basic
5-4-7-2. Port VID
5-4-8. Set Spanning Tree
5-4-9. Port Mirroring
5-4-10. SNMP
5-4-11. Security Manager
5-4-12. TFTP Update Firmware
5-4-13. Configuration Backup
5-4-13-1. TFTP Restore Configuration
5-4-13-2. TFTP Backup Configuration
5-4-14. Reset System
5-4-15. Reboot
6. Technical Specifications
7. Troubleshooting
Incorrect connections
Diagnostic LED Indicators
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1.
Introduction
The MIL-SM808G managed compact desktop switch is an ideal solution
for a Fiber 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-SM808G switch
The switch provides eight switched 100Mbps Fast Ethernet Fiber ports
and one SFP slot for a SFP transceiver. The fiber port connectors are
available in either SC (single mode or multi-mode) or ST (multi-mode).
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 IEEE802.3u, IEEE802.3z and IEEE802.3x Ethernet
Standards
¢ Eight 100Mbps Fast Ethernet Fiber ports and one SFP port
¢ One Console port on the front for switch software configuration
¢ Half-duplex mode for back pressure and flow control for
full-duplex
¢ Store-and-forward switching architecture
¢ Automatic address learning, address migration
¢ 8K-entry MAC address table
¢ 2Mbit memory buffer sharing
¢ Non-blocking full wire speed performance
¢ LED-indicators for Power, LNK/ACT, FDX/COL, LNK/ACT(SFP)
¢ 19-inch design for desktop or rackmount
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 802.3ad Port Trunk with LACP( Link Aggregation Control
protocol) supported
¢ IEEE 802.1d Spanning Tree
¢ MIB II ( RFC1213 ) supported
¢ IGMP Query, 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
¢ GVRP
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Package Contents
Unpack the contents of the package and verify them against the checklist
below.
¢ MIL-SM808G Switch
¢ Power Cord
¢ Four Rubber Feet
¢ 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-SM808G 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.
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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-SM808G switch series consists of eight
100Mbps Fast Ethernet Fiber ports, one SFP port, one console port, one
LED-Indicator for Power, one LED-Indicator (LNK/ACT) for the SFP port
and two LED-Indicators (LNK/ACT, FDX/COL) for each Fiber port.
Console
LED
SFP
Fast Ethernet
Fiber Ports
Port Indicators Port
Figure 2-1. Front Panel for MIL-SM808G
¢
¢
100BASE-FX Fiber Ports: The MIL-SM808G comes with eight SC
connectors (multi-mode or single mode) or eight ST connectors
(multi-mode).
SFP Port: The MIL-SM808G supports the 3.3V model Gigabit
Transceiver for Gigabit SX or LX connector.
¢ 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
Figure 2-2. LED Indicators
There are two LED-Indicators (LNK/ACT, FDX/COL) for each Fiber port,
one LED-Indicator (LNK/ACT) for the SFP port and one LED-Indicator for
power. The following table provides descriptions of the LED statuses and
meaning. They provide a real-time indication of systematic operation
status.
LED Status Color
Description
Power
On
On
Green Power On
The port is successfully connecting with
a device.
Green
LNK /
ACT
Blinks Green The port is receiving or transmitting data.
Off
No device attached.
The port is operating in full-duplex mode
and device is attached.
On Orange
FDX /
COL
Collision of Packets is occurring on the
port.
Blinks Orange
Off
Half-duplex mode or no device attached.
Table 2-1. The description of LED Indicators
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Rear Panel
The 3-pronged power plug and the power on/off switch are located at the
Rear Panel of the MIL-SM808G switch, as shown in Figure 2-3. The
switches will work with AC in the range 100-240V AC, 50-60Hz.
Power Plug
Power
On/Off
Switch
Figure 2-3. The Rear Panel of the MIL-SM808G Switch
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.
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Figure 2-4. Attaching Rubber Feet to each corner on the bottom of the
Switch
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-SM808G switch to connect PCs, workstations, and
servers to each other by connecting these devices directly to the switch.
You can also use any of the Fiber ports of MIL-SM808G to connect with
another Switch or Hub to interconnect each of your small switched
workgroups to form a larger and long distance switched network.
MIL-SM808G
MIL-SM801P
Figure 3-1. Use the MIL-SM808G switch fiber ports to extend the distance between
workgroups
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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
Deleted: “ Key
After you have entered the parameter settings, press the “Enter “Key and
the Main Menu of console management appears.
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
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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: Shows the status of the switch.
Switch Static Configuration: Menus to configure the switch.
Protocol Related Configuration: Configures protocol features.
Reboot Switch: Restarts the system or resets the switch to the default
configuration.
Logout: Exits the menu line program.
<Control Key>
The control keys listed below are provided in all menus:
Tab: Moves the cursor to next item.
Backspace: Moves the cursor to previous item.
Enter: Selects item.
Space: Toggles selected item to next configuration.
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4-2. Status and Counters
Press the Tab or Backspace key to choose action menu, and then press the
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.
Enabled: A port that is enabled will be displayed as “Yes”. A port that is
disabled will be displayed as “No”.
Status: Displays the port's link. “Down” the port has no link, and “Up” the port
has a link with the remote device.
Mode: Displays the port speed and duplex mode.
FlowCtrl: Displays the flow control for the port as being either on or off.
Actions->
Press the Tab or Backspace key to choose action menu, and then press the
Enter key to select item.
<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 data packet
information of the unit. The screen is not automatically updated. To see
updated statistics, exit the menu and re-enter.
Actions->
Press the Tab or Backspace key to choose action menu, and then press
Enter key to select item
<Quit>: Exits the port status page and returns to previous menu.
<Reset All>: Sets all counters to 0.
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4-2-3. System Information
System Description: Displays the name of the 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.
Kernel version: Displays Boot PROM version.
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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.
4-3-1. Administration Configuration
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4-3-1-1. Device Information
Device 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.
Device Content: 32 characters can be used to describe devices attached.
Device Location: 32 characters can be used to give a location of the switch.
Device Description: 32 characters can be used to describe the switch.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<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: Always restart the computer after finishing the setup.
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4-3-1-3. Change Username
Use this screen to change the User Name. The default user name is root.
4-3-1-4. Change Password
Use this screen to change the Password. The default password is root.
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4-3-2. Port / Trunk Configuration
This page can change every port status and configure trunk groups.
Press TAB key to change the configuration of each item.
1. Enabled: User can disable or enable the port. Port 9 is always enabled.
2. Auto Negotiate: Ports 1 to 8 (100Mbps Fiber) are disabled, Port 9 (SFP
port) is enabled.
3. Speed/Duplex Config: Ports 1 to 8 (100 Mbps Fiber port) can be set for
full-duplex or half-duplex mode. Port 9 (SFP port) is fixed at 1000Mbps
full-duplex mode.
4. Flow Control: User can set flow control function to be on or off for ports 1
to 8. Flow control for Port 9 (SFP port) is fixed at enabled (on).
5. Group: User can set trunk groups for ports 1 to 8. There are four possible
trunk groups. Port 9 is not available for trunk groups.
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Actions->
<Quit>: Exits the port 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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4-3-3. 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.
1. Port Mirroring State: Select enable or disable.
2. Analysis Port: The port to which all traffic to be mirrored will be sent.
3. Port: The port(s) you want to monitor. All monitored port traffic will be
copied to the monitoring port. You can select a maximum of 8 ports to
monitor in the switch. User can choose to monitor RX frames only or TX
frames only or both RX and TX frames at the Action command line.
Actions->
<Quit>: Exits the port monitoring configuration page and returns to previous
menu.
<Edit>: Configures all items. When finished, pressing ESC returns to the
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action menu line.
<Save>: Saves all configured values.
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4-3-4. VLAN Configuration
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.
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4-3-4-1. VLAN Configure
Choose a VLAN
In the VLAN Configure menu select the type of VLAN you want to configure: No
VLAN (default), Port Based, 802.1Q, or 802.1Q with GVRP. Save the configuration.
There are 4 different options for VLANs to choose from using the space bar:
Disabled, Port Based, 802.1Q and 802.1Q with GVRP.
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.
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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.
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.
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4-3-4-2. Create a VLAN Group
To create a 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 2~4094). The default is 1.
3. Protocol VLAN: Press the Space key to choose protocol type. When set,
this acts as a packet filter on the port by restricting packets on the port of
only the selected protocol type.
4. Member: Press the Space key to choose VLAN membership. There are
three selections:
UnTagged: the member port is an untagged port.
Tagged: the member port is a tagged port.
No: The port is not a member of this VLAN group.
5. Save the configuration.
Actions->
<Quit>: Exits this 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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4-3-4-3. 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. Anew 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. Choose <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.
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4-3-5. Priority Configuration
1. There are eight (0 to 7) priority levels that can be mapped as high or low
priority queues.
2. High/Low Queue Service Ration (High:Low): User can select the ratio of
high priority packets and low priority packets.
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.
High Low Queue service ratio: 1:1, 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, FIFO, HÏL
First In First Out (FIFO): The sequence of packets sent depends on arrival
order.
High to Low (HÏL): 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. For example, 2
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High : 1 Low means that the switch sends 2 high priority packets before
sending 1 low priority packet.
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4-3-6.MAC Address Configuration
4-3-6-1.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.
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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 device’s 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.
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4-3-6-2.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.
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4-3-7.Misc Configuration
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4-3-7-1.Port Security
A port set in security mode will be “locked” and be without address learning.
Only the incoming packets with the source MAC address already existing in
the address table can be forwarded. With port security, users can disable a
port from learning new MAC addresses. The user may then return to the static
MAC addresses menu to define a list of MAC addresses that can access the
secured port.
1. Press <Edit> to enable or disable the port security.
2. Press the Space key to choose enable or disable.
3. Press ESC to return to the action menu line, and then select <Save> to
save all configured values.
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4-3-7-2.MAC Age Interval
To configure a different MAC Age Interval, 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.
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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4-3-7-3.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.
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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4-3-7-4.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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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.Protocol Related Configuration
4-4-1.STP
4-4-1-1.STP Enable
This page enables or disables the Spanning Tree function. Press the Space
key to select Enabled or Disabled.
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4-4-1-2.System Configuration
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.
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
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from its Spanning-Tree Protocol learning and listening states to the forwarding
state. Enter a number 4 through 30.
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4-4-1-3.STP Port Configuration
1. PortState: Spanning tree status for each port.
2. 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.
3. 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.
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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.System Options
Press <Edit> to enter all items, and then press <Save> to save the configured
values.
1. System Name: Enter a name to identify the switch.
2. System Contact: Enter the name of the contact person or organization.
3. System Location: Enter the location of the switch.
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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.
To enter SNMP Community Strings:
1. Community Name: Enter the name of current community strings. The
default is “public”.
2. Write Access: Enables the permissions for Read Only or Read/Write.
Actions->
<Add>: Creates community strings.
<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.
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<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.
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 the trap, 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. Press the Space key to choose Enabled or
Disabled mode. 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.Aggregator Setting
1. Group: Displays the trunk group ID.
NOTE: Before setting LACP support, you must first set the trunk group
using the Port / Trunk Configuration screen.
2. 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.
3. 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.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->
<Quit>: Exits this page and returns to previous menu.
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4-5.Reboot Switch
Default: 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”.
Restart: Reboots the switch to enable items that have been configured.
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.
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4-6.Updating Firmware using the Console Port
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.
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.
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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-SM808G switch series. The managed switch series
provides an embedded HTML website residing in flash memory. This
feature allows users to manage the switch from anywhere on the network
through a standard web browser.
NOTE: The web management function will have unexpected displays
using Win2000 with Service Pack2 when the IE version is below version
5.5.
Web Management Function
Web Management enables a web browser to manage and monitor the switch.
The default TCP/IP values are listed below. Use the console port if you need
to change the IP address in order to use the web browser.
IP Address:
192.168.1.77
255.255.255.0
Subnet Mask:
Default Gateway: 192.168.1.6
User Name:
Password:
root
root
Enter the TCP address in the web browser - http://192.168.1.77 and type the
user name and password as shown above.
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5-1. Web Management Home Overview
1. Home Page.
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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: Indicates if the port is in auto negotiation mode.
Speed status: Displays link speed. Ports 1-8 are 100Mbps. Port 9 is
1000Mbps.
Duplex status: Displays full-duplex or half-duplex mode.
Flow control: Displays flow control status as enabled or disabled.
Config: Displays the state of user settings.
Actual: Displays the negotiation result.
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5-3. Port Statistics
1. The following information provides a view of the current status of the unit.
A single port counter screen:
5-4. Administrator
The management functions include IP address, switch settings, console port
information, port controls, link aggregation, filter database, VLAN
configuration, spanning tree, port mirroring, SNMP, security manager, TFTP
update firmware, configuration backup, system reset, and reboot.
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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
Subnetmask:255.255.255.0
Gateway:192.168.1.6
5-4-2. Switch Settings
5-4-2-1.Basic
Description: Displays the name of device type.
MAC Address: Displays unique hardware address assigned by
manufacturer.
Firmware Version: Displays the switch’s downloaded firmware version.
Hardware Version: Displays the switch’s hardware version.
Kernel version: Displays write to default EEPROM value version.
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5-4-2-2.Advanced
1. Miscellaneous Settings:
MAC Address Age-out Time: Type 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 transit 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.
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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2. 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.
Enable Delay Bound: Limits the low priority packets queuing time in the
switch. Default Max Delay Time is 255ms. If the low priority exceeds the Max
Delay Time, it will be sent. The valid range is 1 to 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.
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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3. Protocol Enable Setting:
Enable Spanning Tree Protocol: Enables STP. The recommended default is
to disable STP.
Enable Internet Group Multicast Protocol: Enables IGMP protocol.
IGMP Query Mode: Recognizes different queries from clients or servers to
decide which Query will be the first priority. The four 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.
VLAN Operation Mode:
No VLAN (Default)
802.1Q(Tag VLAN) without GVRP VLAN mode
802.1Q(Tag VLAN) with GVRP VLAN mode
Port Based
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4. 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.
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.
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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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 ports 1-8, port 9 is always enabled.
Auto Negotiation: Ports 1-8 are fixed to disabled mode, and port 9 is
enabled.
Speed setting: Ports 1-8 are set at a fixed speed of 100Mbps. Port 9 is fixed
at 1000Mbps (SFP port).
Duplex setting: User can set ports 1-8 to Full Duplex or Half Duplex. Port 9 is
fixed at Full Duplex.
Flows control setting: User can set flow control function to be enabled or
disabled for ports 1-8. Port 9 is fixed at enabled.
5-4-5. Trunking
Trunking provides a 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
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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 Afails,
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 Apply to save the new configuration.
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5-4-5-2. Aggregator Information
The LACP Aggregator relation information is displayed as shown.
5-4-5-3. State Activity
Active (select): 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. Filter Database
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 Add.
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5-4-6-3. Port Security
A port in security mode will be “locked” with address learning blocked. Only
the incoming packets with SMAC already existing in the address table can be
forwarded normally. The user can disable the port from learning any new MAC
addresses, then use the static MAC addresses screen to define a list of MAC
addresses that can use the secure port. Enter the settings, and then click
Apply to submit the changes on this page.
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5-4-6-4. 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.
2. 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.
3. Click the Add button.
4. 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-SM808G switch supports port-based and protocol-based VLANs. In
the default configuration, VLAN support is enabled and all ports on the switch
belong to the default VLAN. VID is 1.
NOTE: The default VLAN can’t be deleted.
Support Port-based VLANs (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.
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.
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5-4-7-1. Basic
VLAN Configuration
By default, there are no VLANs set for the switch. In order to configure any of the
different types of VLANs, VLANs need to be enabled in the switch using
Settings/Advanced/Protocol Enable Settings/VLAN Operational Mode. The
following are the choices offered:
Port Based VLANs
This screen shows the current Port Based VLANs configured. To configure new
VLANs click the Add button. You can also delete configured VLANs using this
screen. To edit a VLAN (change the ports) highlight the VLAN name and then click
Edit. There can be up to 256 different port based VLANs configured.
When adding a VLAN this screen allows the configuration of the VLAN. The
configuration includes the number of ports, the text name and the Group ID that will
belong to the specific VLAN. 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
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switch on separate VLANs except for the port that has the server connected to it.
This port is then shared by all the VLANs. This enables security between ports, but
allows all ports access to the server.
Create a VLAN and add tagged member ports to it.
1. From the main menu, click Administrator -- VLAN Configuration.
2. Click Add.
3. Type a name for the new VLAN.
4. Type a VID (between 2 to 4094). The default is 1.
5. From the Available ports box, select ports to add to the switch and click Add.
6. Click Apply
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5-4-7-2. Port VID
Configure port VID settings:
From the main Tag-based (IEEE 802.1Q) VLAN page, click Port VID Settings.
Port VID (PVID)
Used for setting the Port VLAN ID that will be assigned to untagged traffic on a
given port. For example, if port 9's Default PVID is 100, all untagged packets
on port 9 will belong to VLAN100. The default setting for all ports is VID1.
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.
Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN be forwarded if the
port belongs to that VLAN. The frames are dropped if not. The switch’s two
ingress filtering rules are:
Ingress Filtering Rule 1: Forwards only packets with VID matching this port’s
configured VID. By default, only packets with this VID are forwarded.
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Ingress Filtering Rule 2: Drop Untagged Frame. By default all untagged
frames are forwarded.
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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.
Parameter
Priority
Description
The priority value used to identify the root bridge can be changed. The
bridge with the lowest value has the highest priority and is selected as the
root. Enter a number 1 through 65535.
Max Age value is the number of seconds a bridge waits without receiving
Spanning-Tree Protocol configuration messages before attempting a
reconfiguration. It can be changed to a value from 6 seconds through 40
seconds.
Max Age
Hello Time The Hello Time value is the number of seconds between the transmission
of Spanning-Tree Protocol configuration messages. It can be changed to
a value from 1 second to 10 seconds.
Forward Delay Time is the number of seconds a port waits before
changing from its Spanning-Tree Protocol learning and listening states to
Delay time
Forward
the forwarding state. It can be changed to a value from 4 seconds to 30
seconds.
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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.
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
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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.
Analysis Port: The ports you want to mirror. All source port traffic will be
copied to a mirror port. You can select a maximum of 9 source ports in the
switch. If you want to disable the function, you must select monitor port to
none.
Monitor Rx: Monitors received frames from the port.
Monitor Tx: Monitors transmitted frames from the port.
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5-4-10. SNMP
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.
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:
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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.
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.
The default user name and password are below.
User Name: root
Password: root
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5-4-12. 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>.
5-4-13. Configuration Backup
5-4-13-1. 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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5-4-13-2. 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.
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5-4-14. Reset System
Reset Switch to default configuration.
5-4-15. Reboot
Select Reboot to restart the system with the current saved configuration.
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6.
Technical Specifications
This section provides the specifications of MIL-SM808G switch product.
Standards
IEEE 802.3u 100BASE- FX Fast Ethernet
IEEE 802.3z Gigabit Fiber
Compliance
Protocol
CSMA/CD
Max Forwarding
and
14,8800 pps per Fast Ethernet port,
148,8000 pps per Gigabit Ethernet port (SFP)
Max Filtering Rate
LED Indicators
Fiber Port :
LINK/ACTIVE, Full Duplex/Collision (100Mbps
Fiber port), Link/Active(SFP port)
Per Unit: Power
Fiber Link Max.
Distance
SC Multi-mode:
Half-duplex: 412m, Full-duplex: 2Km
SC / ST Single-mode:
Half-duplex: 412m, Full-duplex: 15 or 60Km
440mmx 160mmx 44mm (L x W x H)
Dimensions
Weight
2200g 40 g
Storage Temp.
-40ºC to 70ºC ( -40ºF to 158ºF)
Operational Temp. 0ºC to 45ºC ( 32ºF to 113ºF )
Operational
Humidity
10% to 90% (Non-condensing)
External Power
100-240V AC, 50-60Hz
17 Watts ( Max )
Power
Consumption
EMI
FCC Class A, CE Mark
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Safety
UL, cUL
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7.
Troubleshooting
This section is intended to help you solve some common problems
encountered while using the MIL-SM808G switch series.
Incorrect connections
¢ 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.
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¢ Cabling
100BASE-FX 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 a 15 or 60 kilometer distance in full duplex operation in
single-mode. Follow the cabling instructions sent with your SFP module
when selecting appropriate cables.
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