Milan Technology MIL-SM2401M User Manual

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24 Port 100BASE-TX
Plus One Dual Port Module Bay
Managed Switch
MIL-SM2401M
USER GUIDE
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Regulatory Approval
- FCC Class A
- UL 1950
- CSA C22.2 No. 950
- EN60950
- CE
- EN55022 Class A
- EN55024
Canadian EMI Notice This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numerique de la classe A respecte toutes les exigences du Reglement sur le materiel brouilleur du Canada.
European Notice Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community Compliance with these directives imply conformity to the following European Norms:
EN55022 (CISPR 22) - Radio Frequency Interference EN61000-X - Electromagnetic Immunity EN60950 (IEC950) - Product Safety
Five-Year Limited Warranty
MiLAN Technology warrants to the original consumer or purchaser that each of it's products, and all components thereof, will be free from defects in material and/or workmanship for a period of five years from the original factory shipment date. Any warranty hereunder is extended to the original consumer or purchaser and is not assignable. MiLAN Technology makes no express or implied warranties including, but not limited to, any implied warranty of merchantability or fitness for a particular purpose, except as expressly set forth in this warranty. In no event shall MiLAN Technology be liable for incidental or consequential damages, costs, or expenses arising out of or in connection with the performance of the product delivered hereunder. MiLAN Technology will in no case cover damages arising out of the product being used in a negligent fashion or manner.
Trademarks
The MiLAN logo and MiLAN Technology trademarks are registered trademarks of MiLAN Technology in the United States and/or other countries.
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: support@milan.com 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 info@milan.com
© Copyright 2003 MiLAN Technology P/N: 90000410 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
Rack-mounted Installation
Power On
3. Network Application
Segment Application
Segment Bridge
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 Configuration
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4-3-3. Trunk Configuration
4-3-4. Port Mirroring Configuration
4-3-5. VLAN Configuration
4-3-5-1. VLAN Configure
4-3-5-2. Create a VLAN Group
4-3-5-3. Edit / Delete a VLAN Group
4-3-5-4. Groups Sorted Mode
4-3-6. Priority Configuration
4-3-7. MAC Address Configuration
4-3-7-1. Static MAC Address
4-3-7-2. Filtering MAC Address
4-3-8. Miscellaneous Configuration
4-3-8-1. MAC Address Ageing Time
4-3-8-2. Broadcast Storm Filtering
4-3-8-3. Max Bridge Transmit Delay Bound
4-3-8-4. Collision Retry Forever
4-3-8-5. Hash Algorithm
4-3-8-6. IFG Compensation
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 Per Port Configuration
4-4-2. SNMP
4-4-2-1. SNMP 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. Working Ports
4-4-4-2. LACP State Activity
4-4-4-3. LACP Status
4-4-5. 802.1X Configuration
4-4-5-1. 802.1X Enable
4-4-5-2. 802.1X System Configuration
4-4-5-3. 802.1X Per Port Configuration
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4-4-5-4. 802.1X Miscellaneous Configuration
4-5. System Reset Configuration
4-5-1. Factory Default
4-5-2. System Reboot
4-5-3. TFTP Configuration
4-5-3-1. TFTP Update Firmware
4-5-3-2. TFTP Restore Configuration
4-5-3-3. TFTP Backup Configuration
4-6. Xmodem Upgrade
5. Web-Based Management
5-1. System Login
5-2. Port Status
5-3. Port Statistics
5-4. Administrator
5-4-1. IP Address
5-4-2. Switch Setting
5-4-2-1. Basic
5-4-2-2. Advanced Settings
5-4-2-3. Miscellaneous Settings
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. Forwarding and Filtering
5-4-6-1. IGMP Snooping
5-4-6-2. Static MAC Address
5-4-6-3. MAC Filtering
5-4-7. VLAN Configuration
5-4-7-1. 802.1Q (802.1Q VLAN)
5-4-7-2. Port VID
5-4-8. Spanning Tree
5-4-9. Port Mirroring
5-4-10. SNMP
5-4-11. Security Manager
5-4-12. 802.1X
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5-4-12-1. System Configuration
5-4-12-2. Per Port Configuration
5-4-12-3. 802.1X Miscellaneous Configuration
5-4-13. TFTP Update Firmware
5-4-14. Configuration Backup
5-4-14-1. TFTP Restore Configuration
5-4-14-2. TFTP Backup Configuration
5-4-15. Factory Default
5-4-16. Reboot
6. Troubleshooting Incorrect connections
Diagnostic LED Indicators
7. Technical Specifications
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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 LED Fast Ethernet Ports Module Bay Port Indicators
Figure 2-1. Front Panel for MIL-SM2401M
100BASE-TX UTP Ports: The MIL-SM2401M comes with 24
100Mbps Fast Ethernet UTP ports.
Console Port: Console management can be done through the
Modules: The MIL-SM2401M a broad range of modules. Check
with your MiLAN sales representative for details.
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
Power
LNK/ACT
FDX/COL
Description
Green Power On.
Off Power is not connected.
Green The port is connecting with the device.
Blinks The port is receiving or transmitting data.
Off No device attached.
Yellow The port is operating in Full-duplex mode.
Off 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 MIL­SM2401M. 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
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.
using 15 alphanumeric
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, HL First In First Out (FIFO): The sequence of packets sent depends on arrival
order. High to Low (HL): 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 Spanning­Tree 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 = 50­600 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 MIB­object information. Read Write: Enables requests accompanied by this string to display MIB­object 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 time­out 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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