Tyco Electronics 8 Port SNMP Managed Switch, 0-15910 Series User Manual

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8 Port SNMP Managed Switch – User Manual Page 1

8 Port UTP 10/100Mbit/s Ethernet

Managed Switch with

Fibre Uplink

Product User Guide

Introduction

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

8 Port SNMP Managed Switch – User Manual Page 2

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

Disclaimer

Tyco Electron ics makes no represent ation or warranties with respect to the contents hereof and specifically disclaims any implied warranties or merchantability or fitness for any particular purpose. Further, Tyco Electronics reserves the right to revise this publication and make changes from time-to-time in the content hereof without obligation of Tyco Electronics to notify any person of such revision or changes.

Features

• Conforms to IEEE802.3, 802.3u, 802.3x, 802.1p, 802.3ac, 802.1D and 802.1Q

• 8 auto-sensing 10/100Mbps Ethernet RJ-45 ports

• 100Mbps Fiber (SC multimode and singlemod e and MT-RJ options),

• Auto-negotiation and MDI/MDIX on the RJ-45 Ports

• Store - And - Forward error free packet forwarding scheme

• 8K-entry MAC address table

• 128 VLANs

• 3Mb shared memory

• 1.8 GB Backplane Bandwidth

• Full wire speed forwarding rate

• LED-indicators for Power, port speed/Link Activity, FDX/COL

Intelligent Management Features

• Console and Telnet Configuration

• Web-based management

• SNMP MIB II network management

• Port based VLANs

• IEEE802.1Q Tagged VLANs

• IEEE802.1p Basic Programmable QoS

• IEEE802.1d Spanning Tree Protocol

• IEEE802.1ad Port Trunking

• IGMP Snooping

• IP Multicast

• MAC Address Security

• GVRP Registration

• Port mirroring

• TFTP support for firmware downloads

• RMON Statistics

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Package Contents

Unpack the contents of the carton and verify them ag ainst the checklist below.

8 Port SNMP Managed Switch Rubber Feet

Rack-mounted Kit RS-232 cable User Guide

Power Cord

Figure 1. Package Contents

Compare the contents of your 8 Port SNMP Managed Switch package with the standard checklist above. If any item is missing or damaged, please contact your local dealer for service.

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Management Methods

The 8 Port SNMP Managed Switch supports following mana gement 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 24 Port SNMP Managed Switch in this method requires a direct connection between PC and the 8 Port SNMP Managed Switch. While Telnet management is done over the network. Once the 8 Port SNMP Managed Switch is on the network, you can use Telnet to log in and change the configuration. The automatic log-out times is currently set at less than 1 minute, however this duration will be extended in the next software release.

Web Based Management

The switch can be managed using a standard web browser that supports Java applets. This interface has the same functionality as the console/Telnet interfaces but is more user-friendly. See page 38 for details.

SNMP Network Management

SNMP (Simple Network Management Protocol) provides a means to monitor and control a network device, and to manage configurations, statistic collection, performance and security. Data is passed from SNMP agents, which are hard ware & software proce sses reporting activity in each network device to the workstation console used to oversee the network. The agent returns information contained in a MIB (Management Information Base), which is a data structure that defines what is obtainable from the device and what can be controlled.

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Hardware Description

The 8 Port SNMP Managed Switch has 8-port auto-sensing Ethernet RJ-45 connectors and one fibre uplink connector . The LED Indicato rs are also located on the fro nt panel of the Switch.

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Figure 2. The Front Panel of 8 Port SNMP Managed Switch

Expansion Slots for Option Modules

10/100Base-TX Auto MDI/MDIX RJ-45 Ports

The 10/100Mbps auto-sensing ports auto-negotiate speed and duplex mode for 10Base-T or 100Base-TX device connection. The auto-MDI/MDIX function enables the direct connection another switch or workstation without needing to select either a straight or cross-over cable.

100Base-FX Fibre Port

The switch has a dedicated fibre uplink port that operates at 100Mbit/s. This port can also be configured to half or full duplex operation.

LED Indicators

Figure 3. The LED Indicators

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All LED indicators are located on the front panel of the 8 Port SNMP Managed Switch and provide a real-time indication of switch and operational status. The following table details the LED states:-

LED Status Description

Green Power On

PWR

Off Power is Off.

Green The port is operating at the speed of 100Mbps.

10/100

Off No device is attached or in 10Mbps mode Green The port is connected to an Ethernet device. Blinks The port is receiving or transmitting data

LK/ACT

Off No device is attached

Orange The port is operating in Full-duplex mode

Blinks Collision of packets is occurring on the port

FD/COL

Off No device is attached or the port is in half-duplex mode

Figure 4. Descriptions of LED Indicators

Rear Panel

The 3-pronged power socket and the On/Off switch are located at the rear panel of the switch. The switch operates over the range 100-240V AC, 50-60Hz without adjustment.

Console Port

The switch can be fully managed using the consol e port p roviding a direct conn ection bet we en the switch and an end station such as a PC via the supplied RS-232 cable. See page 12 for details.

Figure 5. The Rear Panel of the 8 Port SNMP Managed Switch

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Diagnostic Test

After the installation is completed and AC power is applied to the Switch, the system will automatically perform a diagnostic test. If a console session is active at this time then it is possible to see each stage of this start-up and test p ro cedure as it is carried out. This procedure will take up to 3 minutes to complete; please be patient!!

Upon completion the switch will start in a default condition and begin to pass traffic.

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Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

Installation

Pre-Installation Requirements Before you start hardware installation, make sure your installation environment has below items:

 PC with 10/100Mbps Ethernet NICs / 100Mbps Fiber NICs: Y our PC must have a standard Ethernet RJ-4 5 interface to connect to the Switches copper port.

 UTP cable with RJ45 connectors: Ensure that you use a tested cable.  AC Power: 100 to 240V A C at 50/60 Hz: Make sur e that the power is accessible and the AC

power cable can be and disconnected and connected easily.  Dedicated power supply: Use dedicated AC or power conditioners to supply reliable electrical power to the network devices.  A dry cool place: Keep the Switch away from moisture. A void direct sunlight, sources of heat, and a high amount of electromagnetic interference.  Mounting tools: If you intend to mount the Switch in a rack, make sure you have all the tools,

mounting brackets, screws etc.

Caution:

Cabling must be away from sources of electrical noise such as radio, computers, transmitters, broadband amplifiers, power lines etc. Airflow around the Switch and through its vents on the rear must not be re stricted.

Mounting the Switch

The 8 Port SNMP Managed Switch is suitable for use in an office environment where it can be rack-mounted in standard EIA 19-inch racks or standal one. Ensure that you order the mounting brackets if you intend to rackmount the switch.

Desktop Mounting

Set the Switch on a sufficiently large flat space with a power o utlet nea rby, and n ear the cente r of all networked devices. Make sure mounting surface on the bottom of the Switch is grease dust free. Remove adhesive backing from the supplied rubber feet.

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Figure 3-1. Attaching Rubber Feet to each corner on the bottom of the

Switch

Apply the Rubber Feet to each corner on the bottom of the Switch. These footpads can prevent the Switch from shock/vibrations.

Caution: Do not place objects on top of the Switch.

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Connecting to the Switch

The Console port is a male DB-9 connector located on the front pane l of the switch that enables a connection to a PC or terminal for monitoring and configuration. Use the supplied RS-232 cable with a female DB-9 connector to connect a terminal or PC to the Console port.

The Console configuration allows you to program the Switch to enable a user at a remote location to communicate with the unit as if the console terminal were directly connected.

Figure 3-4. Connecting the 8Port SNMP Managed Switch to a terminal via RS-232 cable

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Quick Start Guide

If you do not need to apply VLANs, Quality of Service, adjust any settings or manage the switch via the network, then the switch can be used “straight-from-the-box” to carry network traffic. In that case, no further action is needed. If you want to use the management settings or controls, then a little work is needed to configure the switch.

1. After the installation is completed and AC power is applied to the switch, the unit will automatically perform a diagnostic test. The switch loads its operating code from memory and performs a full power-on self test. The screen will display the self-test progress, but do not press any keys at this stage. This power-up sequence takes approx. 90 seconds to complete. The web interface will take a further 30 seconds to become operational.

2. Configure you PC terminal emulation program such as HyperTerminal to allow it to communicate with the switch via the supplied serial cable connected to the front panel Console port. Set the emulation program for 9600, 8, No Parity , No Flow Control. See page 12 for details

3. When the password and user name prompt is displayed, use the default userna me of root in lower case letters. Use the password root. The main menu screen will be displayed. Use either cursor keys or the tab key to navigate up and down the menu. Select the item using the <CR> key. The <ESC> key will return you to the previous menu level.

4. If the switch is to be managed over the LAN using the Telnet, SNMP or the web browser functions, then an IP address is to be assigned to the switch. See page 20 for details. If the switch is not being managed over the LAN, then go to page 12 below.

5. Once an IP address has been assigned to the switch, it should be possible to PING the switch over the network. This will prove that the switch is present and responding correctly to network requests.

6. Now that the switch can be accessed over the network, use a browser application to open up the configuration screens. Enter the switch IP addre ss into the browser Ad dress window and use the same user name and password set as in 3 above.

7. Using the preferred method (console, Telnet or web brow ser), configure the swi tch to meet your network requirements. Always save the configuration at the end of each action.

8. If you need to revert the switch back to the factory default configuration, then see p ag e 37.

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Management Using The Console

Configuring the Console Interface

When the connection between Switch and PC is complete, turn on the PC and run a terminal emulation program such as Hyper Terminal and configure its communication p arameters to match the following default characteristics of the console port:

Baud Rate: 9600 bps

Data Bits: 8

Parity: none

Stop Bit: 1

Control flow: None

Figure 6. Serial communication settings

Figure 7. Initial Start-Up Screen

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After you have finished parameter settings, click “OK“ on the configuration screen (Figure 6). Press the <CR> return key a couple of times and the start screen (Figure 7) is displayed. Enter the default value user name root in lower case letters, enter the<CR> key and then enter the default password of root. The Main Menu of the console management appears (Figure 8). Note that these username and password values can be changed as detailed on page 21.

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Menu Navigation

To navigate all these menus, use the following keys:-

• Tab: Move the cursor to next item.

• Backspace: Move the cursor to previous item.

• Enter: Select the item.

• Space: Toggle selected item to next value in sequence

• Esc: Go back to the action list or the previous menu

Do not use the cursor up/down or side keys on the numeric pad, as on this version of software, the results are un-predictable. This issue will be corrected on future software versions. Note that some menus have an action line at the bottom of the screen. This provides basic context instructions such as Edit, Save and Quit

Main Menu S c reen

After login you will see the Main Menu screen below. Use the <tab> or cursor keys to step through the sub-menus. Select the required sub-menu using the <CR> or enter key.

Figure 8. Main Menu Screen

The sub-menus are:-

• Status and Counters: Displays Port Status, Port Counters and System Information

• Switch Static Configuration : This large menu enables the configuration of key

values such as IP address, Ports, Trunking, Mirroring, VLANs, QoS, Security, Broadcast filtering etc.

• Protocol Related Configuration: Enables the configuration of Spanning Tree, SNMP,

GVRP and LACP trunking.

• Reboot Switch/System Reset Configuration: Restores factory default values or

restarts the switch.

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Port Status And Counters

This menu provides a method of viewing the current port status and counter statistics in near-real-time. The first option in the sub-menu is Port Status:-

Figure 9. Port Status Screen

This read-only screen lists the status of every port on the switch To change values you need to use the Port Configuration Screen. The key values are:-

• Type: Display the port type.

• Enabled: Displays the port enabled or disable state depended on the user setting.

Enabled will be display “Yes”, disabled will be display “No”.

• St atus: Displays the port link or no link status, “Down” is no link, and “Up” is link valid.

• Mode: Displays the port speed and duplex.

• FlowCtrl: Display the flow control status (enabled or disabled).

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Port Counters

This sub-menu lists the real-time values from each port on the switch. This information is especially useful for fault-finding purposes.

Figure 10. Port Counters Screen

These counters display both transmitted and received packet counts together with the number of good and bad packets including the numbe r of collisions (half-duplex mode only).

• <Quit>: Exit the page of port status, and return to previous menu.

• <Reset All>: Set all counters to 0.

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System Information

The sub-menu screen displays information such as unit description, switch hardware, software versions and the MAC address. Note that this is a read-only menu.

Figure 11. System Information Screen

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Switch Static Configuration

This menu provides the primary method of configuring the switch and its associated values.

Figure 12. Switch Static Configuration Screen

The Switch Static Configuration Screen has the following sub-menus:-

• Administration Configuration:- Provides device description information, IP address

configuration, User Name and Password configuration.

• Port/Trunk Configuration:- Enables the switch ports to be configured and also port

trunk groups to be established.

• Port Mirroring:- Selects either enabling or disabling of the Port Mirror function.

• VLAN Configuration:- Enables VLANs, select the type of VLAN required and add/edit

VLANs

• Priority Configuration:- Places traffic flowing through ports into either the High or Low

priority queues.

• MAC Address Configuration:- Sets up the MAC address security and filtering

attributes.

• Misc Configuration:- Enables MAC Address Security, Switch Ageing T im e, Broadcast

Storm filtering and Bridge Transmit Delay Bound.

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Administration Configuration Screen

This is one of the sub-menus leading to the IP Configuration Screen.

Figure 13. The Administration Configuration Menu

Device Information

Use this sub-menu to change the device name, location and descriptions etc. Select the Edit field using the Tab key and then Return key to move the edit fields alongside each variable. When a line has been edited, use the Tab key to move to the next field or the Esc key to move back to the Action line.

Figure 14. The Device Information Menu

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IP Configuration

This screen is used to set the IP address, Sub-Net Mask and Default Gateway for the switch. These settings are only required if the switch is to be managed over the network using Telnet, the web browser or SNMP management.

Figure 15. The Network Configuration Menu

This menu displays the switch MAC address and enables the IP address of the switch to be configured to the network. To change the IP switch setting: -

1. Use the <TAB> to select the Edit field

2. Enter <Return> and the cursor will highlight the IP Address field.

3. Enter the new IP Address as required.

4. Use <TAB> key to highlight the Subnet Mask field.

5. Enter the Subnet mask address as required.

6. Use <TAB> keys to highlight the default gateway field.

7. Enter the IP address of the default gateway as required.

8. Use the <Esc> key to jump to the Action line and then tab to the Save field and then

select the Save using the <CR or Return> key to save the IP address changes.

9. The Action line will display a prompt stating that the switch must be restarted before the

settings can take place. This step is essential as the new IP values will only be applie d when the switch is rebooted.

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10. Navigate up to the Main Menu using the Esc key and then select the System Reset

Configuration option and then select the System Reboot option. This will cause the switch to be restarted. Note:- After the reboot has commenced, do not press any

keys and just let the switch work through the self-test and start-up processes. This can take about 1-2 minutes.

11. After restarting the switch it is advisable to check that IP changes have been made

current by checking the Administration Configuration>IP Configuration menu again.

The following menu options enable detailed changes to the serial port and SNM P configuration. These menus are not used in most instances.

Change User Name and Password

The Administration Configuration screen has separate options for changing the User Name and the Password for the switch. The default values are:-

• User Name = root

• Password = root

Note that these values are case-sensitive. To change either value, select the required option in the Administration Configuration screen and the select the Edit mode from the action line. Follow the instruction to make the change and then quit from the edit mode using the <CR> key or the Esc key, depending on the mode. Ensure that the new User Name is saved by selecting the Save option in the action line. The new password is saved automatically.

Figure 16. Changing the password

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Ensure that you make a note of the changed user name and password values and save this information in a secure location. For security reasons, we cannot assist in the recovery of changed password and user name values. This is the responsibility of the system administrator.

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Port/Trunk Configuration

This menu section controls the detailed per-port configuratio n of the switch and is selected from the Switch Configuration menu screen. The following port controls can be configured from this menu:-

• Port Enable

• Auto-Negotiation Mode

• Port Speed and Duplex Mode

• Port Flow Control

• Trunk Group Membership

Figure 17 Port/Trunk Configuration Menu

Selecting the required Port Mode

To edit the mode of a selected port, use the <Tab> key to move the cursor in the action line to the <Edit> mode. Then press the <CR> return key and the cursor will highlight the Enable status of Port 1. Use the <Tab> key to navigate to the required port mode and then use the <Space> key to toggle the values of that control. Use the <Backspace> key to move to the previous port modes.

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Port Enable

This allows the copper RJ-45 or fibre uplink port to be set to accept and process traffic. The default setting is Enabled.

Port Auto-Negotiation

This allows the copper RJ-45 port to be set to negotiate the optimum mode with the co nnecte d equipment. The default setting is Enabled.

Port Speed/Duplex

This allows the copper RJ-45 or fibre uplink port to be set to negotiate the optimum mode with the connected equipment. Note that this setting is superceded by the Port Auto-negotiation mode. For example, if the port is set to Auto-Negotiate, then the Port Speed/Duplex mode is ignored. The default setting is 100Mbit/s and Full Duplex.

Port Flow Control

This allows the copper RJ-45 or fibre uplink port to negotiate with connected equipment to implement a flow control process using embedded Pause frames. The default setting is On.

Port Group

This allows the copper RJ-45 port to be a member of any 1 of 4 separate trunk groups. Select the option and use the <Sp ace> key to toggle bet ween the available trunk grou p s (1-4). In this trunk mode, the selected ports are made members of the same trunk group to create an aggregated higher speed link. The default setting is None.

Notes:-

1. The fibre uplink port cannot be a member of a trunk group.

2. The members of the trunk group must all operate at the same speed.

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Port Mirroring

This menu section controls the port mirroring configuration of the switch and is selected from the Switch Configuration menu screen. This menu section controls the routing of packets from a selected port to a target port for test purposes such as the connection of a Sniffer device to observe traffic on selected port(s). This function is selected from the Switch Conf iguration menu screen.

Figure 18. Port Mirroring Screen

The default mode is disabled and to activate port mirroring, select the menu and then use the <Edit> key to move to the Port Mirroring St ate field. Use the <Space> key to toggle the state to Enabled. A new menu area is displayed with the following key fields:-

• Analysis Port is the port that is connected to the Snif fer device. Traff ic from the ports to

be monitored are output on this port.

• Mirrored Ports are the ports that are to be have their traf fic routed t o the Analysis port.

Note that you can select to have just the TX or just the RX or both direction of traf f ic on the Mirrored port sent to the Analysis port. Note that due considerat ion of the available bandwidth transmitted ob the Analysis port needs to be taken as packet loss will occur if too much mirrored traffic is routed to the Analysis port.

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Port VLAN Configuration

This menu section controls the VLAN configuration of the switch and is selected from the Switch Configuration menu screen. The switch supports the following VLAN modes:-

• Port based,

• IEEE802.1Q

• IEEE802.1Q with GVRP

The default configuration is Disabled.

Note that VLANs have to be enabled from the Console or Telnet sessions, as they cannot be directly activated from the web browser in this version of software. This limitation is being corrected in future versions of the software. Once the VLANs have been enabled in via the console/Telnet session, the VLANs can be configured and controlled via the web browser.

The first menu displayed is the overall VLAN control menu:-

Figure 19. VLAN Configuration menu

This menu allows basic control of the VLAN and its membership. Select the Configure VLAN Type menu option and a new screen is displayed. If the switch is in the default setting of

Disabled, then this will need to be changed to the required VLAN type listed above. Use the <Edit> key in the action bar to move into the options area of the screen. Then use the <Space> key to toggle through the VLAN options. In each case, a new screen is displayed with the settings appropriate to the selected VLAN type.

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Port Based VLANs

After the Port Based VLAN option has been selected and saved, a new screen is displayed which allows VLAN Group Membership to be created with the following values:-

• VLAN Name

• VLAN Group ID

• VLAN Port Membership

VLAN Name

This is a local value intended to provide a simple description of the VLAN, such as Sales, Accounts etc.

VLAN Group ID

This is the VLAN ID that is used to provide a number for the specific VLAN. The legal range is 1 to 4094, with 1 being the default value. It is recommended that a VLAN ID number other than 1 be applied to new port based VLAN configurations. The VLAN Group ID must be a unique number.

VLAN Port Membership

Ports that are to be members of this VLAN are specified in the table by using <Tab> key to move to the Port area and then the <Space> key to toggle the membership status between None and Member. Select the req uired p ort s to be members of this VLAN and th en use <Esc> to move to the action line and then Save the settings. This port membership can also be created using the Create VLAN Group menu option.

Repeat the above for each port based VLAN.

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IEEE802.1Q VLANs

This is a more complex form of VLAN that reacts to the tagging field in the Ethernet packets. This enables the switch to be used in larger networks where the VLAN modes are configured directly on the switch. In large scale networks, the VLANs are sometimes centrally registered and administered using GVRP (Generic VLAN Registration Protocol). In this case, use the VLAN option IEEE802.1Q With GVRP, not this IEEE802.1Q option.

1. Select the Configure VLAN Type option and then use the <Tab> key to select the

<Edit> option and then enter <CR> to select the mode. The cursor will now be on the VLAN Mode field. Use the <Space> key to toggle through the options to locate IEEE802.1Q. A new menu is displayed.

2. Use the <Tab> key to move into the port field of the menu. Enter the number of the

tagged VLAN ID directly into the VLAN ID field. If the device connected to this port does not support tagged VLANs, the ingress traffic will have the specified default tag number added to each packet. This allows legacy devices that do not support tagging to interoperate with tagged VLAN systems.

3. Use the <Tab> key to move into the Ingress Filter field of the menu. Use the <Space>

key to toggle between Disable and Enable. In the default state, all traffic is forwarded irrespective of the VLAN tag value. When this filter is Enabled, then only packets with the correct VLAN tag will be forwarded, depending on the value of the Acceptable Frame Type Filter.

4. Use the <Tab> key to move into the Acceptable Frame Type field of the menu. Use

the <Space> key to toggle between All and Tag Only. This is used in conjunction with the Ingress Filter above to filter out non-tagged traffic.

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Create VLAN Group

This menu section controls the VLAN Group Membership of the switch and is selected from the Switch Configuration menu screen. This allows specified port s to be made memb ers of specific VLAN groups.

VLAN Name

This is a local value intended to provide a simple description of the VLAN, such as Sales, Accounts etc.

VLAN Group ID

VLAN Port Membership

Edit/Delete VLAN Group

This menu section is selected from the Switch Configuration menu screen and allows an existing VLAN group to be edited or even deleted. When this option is selected, all existing VLAN groups on the switch are displayed. Use the <Tab> key to navigate to the <Edit> field or <Delete> field on the Action line and then use the <CR> key to select the edit option.

If <Edit> was selected, the cursor now moves to the VLAN group area and use the <Tab> key to select the required group and apply the required changes. Use the <Esc> key to return to the action line and then <Save> the changes.

If <Delete> was selected, the cursor now moves to the VLAN group area and use the <Tab> key to select the required group and then <CR> to delete the VLAN group. Use the <Esc> key to return to the action line and then <Save> the changes. Note that a deleted VLAN group cannot be recovered after the process has been <Saved>

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QoS Priority Configuration

The switch supports basic QoS operation with the ability to map the 0-7 priority levels in IEEE802.1p to either the low or high priority egress queue buffers. In addition the relative weighting of high to low packets egressing from the switch can also b e programmed. This menu section is selected from the Switch Configuration menu screen.

Modify the Egress Mapping

After the Priority Configuration menu has been selected, the priority screen is disp layed and this enables the control of the QoS egress mapping. To adjust the mapping, select <Edit> from the action line and the cursor moves to the first map level. Use the <Space> key to toggle between <Low> and <High> settings. The default mapping is Levels 0-3 are Low priority and Levels 4-7 are High priority .

Modify the Egress Weighting

The switch can be programmed to control the relative flow of high and low priority packet s from the egress port. Note that this weighting algorithm is applied to the whol e switch and not specific ports. To adjust the weighting algorithm, select <Edit> from the action line and the cursor moves to the first map level. Use the <Tab> key to move through the mapping options to the High/Low Queue Service Ratio field. Then select the required algorithm using the <Sp ace> key . The weighting options are:-

Weighting Action

H->L All high priority packets are sent before any low priority packets (default) FIFO The first packet to arrive is sent out first (no actual priority is applied)

1:1 One high priority packet is sent followed by a low priority packet (if available) 2:1 Two high priority packets are sent followed by one low priority packet (if available) 3:1 Three high priority packets are sent followed by one low priority packet (if available) 4:1 Four high priority packets are sent followed by one low priority packet (if available) 5:1 Five high priority packets are sent followed by one low priority packet (if available) 6:1 Six high priority packets are sent followed by one low priority packet (if available) 7:1 Seven high priority packets are sent followed by one low priority packet (if available)

Use the <Esc> key to return to the action line and ensure that the settings are saved by selecting the <Save> field.

8 Port SNMP Managed Switch – User Manual Page 30

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

MAC Address Configuration

This menu section is selected from the Switch Configuration menu screen and enables configuration of the static or filtered MAC addresses. These setting s are only needed for certain security operations and are not generally used.

In some instances, it is necessary to manually apply a fixed or static address into the tables of the switch. When you add a static MAC address, 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 disconnected or powered-off device is active on the network again.

Add A Static MAC Address

From the MAC Address Configuration menu select the option S tatic MAC Address. A new menu is displayed of the existing static MAC addresses and then select <Add> from the action line. A new menu is displayed that requests the MAC address value and the physical port that is associated with the static address value. Ensure that a legal MAC addre ss is entered here a s a warning message is displayed on detection of an illegal address. When these values have bee n entered, use the <Esc> key to return to the action line and then select the <Save> option to ensure that the MAC values are stored. The menu will display each static MAC addres s and the associated port in the switch.

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Misc Configuration

This menu section is selected from the Switch Configuration menu screen and enables configuration of the remaining switch-specific variables such as Port Security, Ageing Table Interval, Broadcast Storm etc.

Figure 20. Misc Configuration Menu

Port Security

This mode is used to prevent a specified port from learning new MAC addresses. This is used to ensure that un-authorised devices cannot be connected and gain LAN access from the physical port. Only ingress packets with the MAC address matching an associated Static MAC address will be forwarded. Packets not matching this profile will be rejected.

To activate this port security mode, select the Port Security option and then use the <Tab> key to select <Edit> in the action line. Enter <CR> and the cursor will highlight the security field of Port 1. Use the <Space> key to toggle the value from <Disabled> to <Enabled>. When the port value is <Enabled> the port will not learn new MAC addresses and only packets that match the Static MAC address will be forwarded. Use the <Esc> key to return to the action line and then select <Save> to ensure that the security settings are saved.

There is a minor bug in this software that fails to highlight the <Save> option in the action line. This will be corrected in future versions. Check that the values have been saved correctly by going to the upper level menu and then re-selecting Port Security.

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

8 Port SNMP Managed Switch – User Manual Page 32

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

MAC Aging Time Setting

This setting specifies the time that a dynamic MAC address can remain in the switch tables before the value is “aged out”. The valid range is 300 to 765 second s. The def ault value is 300 seconds, which is the industry standard duration. This value rarely needs to be modified.

Broadcast Storm Filtering

This is used to limit the number of packets flowing through the switch that do not have associated entries in the switch tables (Destination Look-Up Failures) or excessive boardcast transmissions. In some instances, this high level of DLF/broadcast traffic can degrade network performance. To minimize this problem, the switch can be programmed to limit the amount of broadcast traffic that can flow through the switch. In normal networks, only a few percent of traffic would normally be broadcast s.

This mode is accessed from the Misc. Configuration screen and is changed by selecting <Edit> from the action line and the cursor then moves to move to the Broadcast Storm field. Use the <Space> key to step through the available values:-

• No

• 5%

• 10%

• 15%

• 20%

• 25%

The default value is No but for normal networks, a selected value of 5% would serve to limit the number of excessive broadcasts and yet allow normal levels of broadcasts to flow. After the required limit value has been selected, use the <Esc> key to move to the action line and then select <Save> to store the value.

8 Port SNMP Managed Switch – User Manual Page 33

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

Max Bridge Transmit Delay Bound

This control is used in association with QoS Configuration to control the time that packets may be queued in the switch. If the packet is stored in the switch for a time exceeding the specified amount, then it is dropped. These settings do not need to be changed except for networks where time-sensitive prioritized traffic is used.

Max Bridge T ransmit Delay Bound

If time bounded prioritisation is used then select this control and set it to a non-zero value i.e:-

• 1 Sec

• 2 Sec

• 4 Sec

Packets exceeding the specified time in the switch will be dropped. The default value is 0. Save the settings.

Enable Delay Bound

This control works in a different manner in that it measures the time that a low priority packet has been stored in the switch. If the stored time exceeds the value specified in the Max Delay Time control, then the packet is sent. Ensure that the Max Bridge Transmit Delay Bound control contains a non-zero value. Save the settings.

Max Delay Time

This control specifies the duration in milli-seconds that a low priority packet can be stored in the switch before it is automatically sent. The available range is 1ms to 255ms. This control works in conjunction with the Enable Delay Bound control. Save the settings.

8 Port SNMP Managed Switch – User Manual Page 34

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

Protocol Related Configuration

This menu option enables the following modes to be configured:-

• STP Spanning Tree Protocol

• SNMP Simple Network Management Protocol

• GVRP Generic (GARP) VLAN Registration Protocol

• LACP Link Aggregation Control Protocol

Spanning Tree Protocol

This is a relatively complex mechanism used by devices to negotiate and then switch between links to bypass fault and other defect conditions. The STP settings are critical and som e thought is required before changes are made as a problem in configuration could further affect the network performance during fault conditions. Before any detailed configuration can be done, the STP setting in the switch must be enabled by:-

1. Selecting STP Configuration from the Protocol Related Configuration menu

2. Selecting Enable/Disable STP Function

3. Selecting <Edit> in the action line and then STP <Enable> using the <Space> key.

4. Use <Esc> to move back to the action line and then select <Save> to store the setting.

The switch is now enabled for Spanning Tree and detailed configuration can be implemented using the associated STP Parameters Setup screen for whole-switch configuration and STP Per Port for individual port STP settings. If these menu screens cannot be seen, then it is probable that the Sp anning Tree Protocol has not been enabled on the switch (see above).

For detailed STP configuration of the switch, first use the STP Parameters setup screen as shown in Figure 21 below.

STP Parameters Setup

This screen sets up the spanning tree protocol configuration for the entire switch. This needs to be set before any spanning tree negotiations can be implemented. The default settings provide a reasonably good starting point for modification.

8 Port SNMP Managed Switch – User Manual Page 35

Figure 21. Spanning Tree Configuration Screen

STP Per-Port Configuration

This screen allows the individual STP values to be set on the required ports. The STP Port S tate field is read-only and displays the status of the port and the value s can be Forwarding, Blocking, and Listening. A port with higher priority, lowe r path cost is less likely to be blocked if S p anning Tree Protocol detects a network loop.

Figure 22. STP Per-Port Configuration Screen

Product Number 0-15910xx-x © T y co Electronics 2004 PL0357 Issue A

8 Port SNMP Managed Switch – User Manual Page 36

SNMP Configuration

This set of screens configures the switch to become an active SNMP agent. There are several sub-menus available:-

• System Options

• Community Strings

• Trap Managers

System Options

This sub-menu is used to specify the System Name, Contact and Location. This information is included in SNMP transactions.

Community Strings

In the SNMP Community Menu, you can create different communities and customize their access rights. Use <Tab> to move the highlight bar and select desired communit y to modify or add a new community. Use the <Space> key to toggle the access right values between Read Only and Read Write

When the rights value is Read Only, this enables requests accompanied by this community string to display MIB-object information.

When the rights value is Read/Write this enables requests accompanied by this string to display MIB-object information and to set MIB objects.

Trap Managers

A trap manager is a management station that receives traps from distributed SNMP devices. The switch will generate trap messages when a fault condition is detected. If no trap manager is defined, no traps are issued by the switch. Create a trap manager by entering the IP addre ss of the station and a community string. Save the settings.

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GVRP Configuration

This control is disabled by default but needs to be enabled if the centralized registration of VLANs in a corporate or larger network. Select the GVRP menu option and then select <Edit> and then use the <Space> key to toggle between Disabled and Enabled. Use the <Esc> key to exit to the action line and then <Save> the settings. The switch will now use GVRP as part of the VLAN registration protocol for IEEE802.1Q tagged VLANs.

System Reset Configuration

This set of controls is used to restore the factory default settings or to reboot the switch. The available options are:-

• Factory Default

• System Reboot

Factory Default

This option restores the switch to the original shipping configuration. When this option is selected, the menu requests confirmation that the switch is to be restored to the default. Enter <Y> to activate the default configuration or <N> to abort the operation. The switch is restarted after this option has been activated.

System Reboot

This option reboots the entire switch as soon as it is selected. There is no confirmation step so only select this mode if you are sure that you want to reset the switch. The start-up duration is about 90 seconds. Do not press any keys during this boot sequence.

Figure 23. System Reset Screen

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Web Management

The switch is fully manageable from a web interface so that the configuration and faultfinding on the switch is simplified. The switch has a full HTTP server embedded in the firmware to communicate using Java applets with a standard web browser. It is recommended that an Internet Explorer browser 5.01 or later is used to benefit from the Java integration.

NOTE: Platforms with the Windows 2000 operating system and the Service Pack 2 may

see unexpected display artifacts is the browser version is earlier than IE5.5.

Configuring The Switch

The switch has the following default values that need to be adjusted to suit your network settings:

IP Address: 192.168.16.1 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.16.254 User Name: root Password: root

1. Obtain the correct local IP addresses from your network administrator and enter the values from the console menu as detailed on page 20. This IP information has to be entered via the console as the web interface will not be accessible until the local IP address values have been entered, saved and the switch restarted.

2. After the switch has been restarted with the new IP address, check that the switch is visible on the network by ‘pinging’ the address. If the switch is present and correctly configured, then the ‘ping’ will echo back a response message otherwise the message “Request Timeout” will be displayed. Ensure that the switch can be ‘pinged’ before proceeding. Consult your system administrator for details of ‘pinging’. The syntax from your PC is:-

Start >Run> ping 162.109 .37.13 –t

• Where the 162.109.37.13 is the sample IP address allocated to the switch

• The –t causes the ping test to run continuously.

3. After the ‘ping’ test has p assed, open a bro wser window and e nter the allocated I P address of the switch into the address window. For example this may be:-

http://162.109.37.13

• Enter the correct IP address for your switch into the URL address.

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4. If all the settings are correct, then the browser will soon display a user name and password box similar to the one below:-

5. Enter the default user name root into the upper entry box. Use the <Tab> key to move to the password box and enter the default password root. If the settings are correct, then the browser will begin to render a new page showing the i mage of the switch. This is the home page of the switch web browser.

Figure 24. Web Browser Home Page

6. It is recommended that you explore the menu bar in the left hand side of the screen. This menu area controls the configuration, control and stati stics elements of the switch.

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Port Status Screen

The most basic and useful menu is the read-only Port Status screen which that provides a detailed view of the status of all the ports on the switch.

Figure 25. Port Status Screen

This menu screen displays the read-only link status (Up/Down) of all ports together with the Auto-negotiation mode, duplex mode and flow control settings. The programmable port values can be changed in the Administrator > Port Configuration Screen.

Port Statistics Screen

The port statistics screen enables the network administrator to diagnose cert ain fault conditions. The screen is accessed by selecting Port Statistics from the left hand menu bar.

Figure 26. Port Statistics Screen

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Administrator Screen

This set of screens is used to deliver the advanced configuration and control functions of the switch. These settings are potentially network affecting so it is important that the consequence s of these changes are clearly understood. Select the Administrator option in the left hand navigation bar and an extended drop down menu is displayed offering the following functions:-

Option Function

Network Configuration Displays the current IP addresses. Do not change !!! Switch Configuration Controls the Broadcast Storm, QoS, VLAN Type selection, STP

Enable etc. Serial Port Configuration Displays the current serial link characteristics. Do not change !!! Port Configuration Allows detailed port configuration Trunking Trunk Group LACP configuration Filter Setup IGMP Multicast group, Static MAC and Port Security settings VLAN Configuration Configure Port based, 802.1Q and 802.1Q VLANs with GVRP Spanning Tree Configure the STP controls Port Mirroring Set up the target and destination ports SNMP Management Set up the trap addresses, strings and access information User Authentication Set the password and user names.

Table 1. Web Administrator Options

All the above items are identical in structure to the console controls described in the first part of the manual. Refer to these sections for guidance.

To close the administrator menu, click on the red arrow in the lower part of the expanded administrator menu. The menu will roll-up.

Future manuals will describe the web-based interface in more detail.

System Download

This menu allows the download of new firmware images to the swit ch so that bugs ca n be fixed and enhancements added. The download is via TFTP. Instructions for the upgrade including file names will be provided.

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Product Specifications

Standards Compliance IEEE802.3 10BASE-T

IEEE802.3u 100BASE-TX and 100BASE-FX IEEE802.3x Flow Control IEEE802.1p Priority Support IEEE802.3ac Frame Extension for VLAN Tagging IEEE802.1D Spanning Tree IEEE802.1Q VLAN tagging

Protocol CSMA/CD Media connector 100M FX with SC or ST or MTRJ connectors,

Switch unit 8 RJ-45 ports for STP or UTP, Auto MDI/MDI-X support.

Transfer Rate 14880 Packets per second for 10Mbps

148800 packets per second for 100Mbp s Backplane Bandwidth 1.8Gb Switch Technology S tore-and -Forward Error Free Packet Forwarding Scheme

Supports Hardware Level Broadcast Storm Prevention

without consuming System CPU power MAC Address 8K MAC address with auto learning function Data Buffer 2Mb shared memory LED System power,

Per port Link/active,

FDX/Col,

10/100Mbps Dimension 440mm(W) * 225mm(D) * 44.5mm(H) Weight 2kg Power 100~240 VAC 50/60HZ EMI & Safety FCC Class A, CE, UL

Order Codes

• 8 Port 10/100M SNMP Switch with SC – MM uplink

0-1591074-x

• 8 Port 10/100M SNMP Switch with ST – MM uplink

0-1591076-x

• 8 Port 10/100M SNMP Switch with MT-RJ– MM uplink

0-1591078-x

• 8 Port 10/100M SNMP Switch with SC – SM uplink

0-1591080-x

• 19” Mounting Brackets (Set)

0-1591068-0

8 Port SNMP Managed Switch – User Manual Page 43

Table Of Contents

Disclaimer ............................................................................................................................................2

Features...............................................................................................................................................2

Intelligent Management Features.........................................................................................................2

Package Contents................................................................................................................................3

Management Methods ..............................................................................................................................4

Console and Telnet Management.........................................................................................................4

Web Based Management.....................................................................................................................4

SNMP Network Management...............................................................................................................4

Hardware Description................................................................................................................................5

10/100Base-TX Auto MDI/MDIX RJ-45 Ports..................................................................................5

100Base-FX Fibre Port....................................................................................................................5

LED Indicators.................................................................................................................................5

Rear Panel...........................................................................................................................................6

Console Port....................................................................................................................................6

Diagnostic Test..........................................................................................................................................7

Installation.................................................................................................................................................8

Mounting the Switch.............................................................................................................................8

Desktop Mounting............................................................................................................................8

Connecting to the Switch....................................................................................................................10

Quick Start Guide.................................................................................................................................... 11

Configuring the Console Interface......................................................................................................12

Menu Navigation ................................................................................................................................14

Main Menu Screen.............................................................................................................................14

Port Status And Counters ...................................................................................................................15

Port Counters.....................................................................................................................................16

System Information............................................................................................................................17

Switch Static Configuration.................................................................................................................18

Administration Configuration Screen..................................................................................................19

Device Information .............................................................................................................................19

IP Configuration..................................................................................................................................20

Change User Name and Password....................................................................................................21

Port/Trunk Configuration.........................................................................................................................22

Selecting the required Port Mode.......................................................................................................22

Port Enable ........................................................................................................................................23

Port Auto-Negotiation.........................................................................................................................23

Port Speed/Duplex.............................................................................................................................23

8 Port SNMP Managed Switch – User Manual Page 44

Port Flow Control ...............................................................................................................................23

Port Group..........................................................................................................................................23

Port Mirroring..........................................................................................................................................24

Port VLAN Configuration.........................................................................................................................25

Port Based VLANs .............................................................................................................................26

VLAN Name ..................................................................................................................................26

VLAN Group ID..............................................................................................................................26

VLAN Port Membership.................................................................................................................26

IEEE802.1Q VLANs...........................................................................................................................27

Create VLAN Group...........................................................................................................................28

VLAN Name ..................................................................................................................................28

VLAN Group ID..............................................................................................................................28

VLAN Port Membership.................................................................................................................28

Edit/Delete VLAN Group ....................................................................................................................28

QoS Priority Configuration ......................................................................................................................29

Modify the Egress Mapping................................................................................................................29

Modify the Egress Weighting..............................................................................................................29

MAC Address Configuration....................................................................................................................30

Add A Static MAC Address.................................................................................................................30

Misc Configuration ..................................................................................................................................31

Port Security.......................................................................................................................................31

MAC Aging Time Setting ....................................................................................................................32

Broadcast Storm Filtering...................................................................................................................32

Max Bridge Transmit Delay Bound.....................................................................................................33

Max Bridge Transmit Delay Bound................................................................................................33

Enable Delay Bound......................................................................................................................33

Max Delay Time.............................................................................................................................33

Protocol Related Configuration ...............................................................................................................34

Spanning T ree Protocol......................................................................................................................34

STP Parameters Setup..................................................................................................................34

STP Per-Port Configuration...........................................................................................................35

SNMP Configuration...........................................................................................................................36

System Options.............................................................................................................................36

Community Strings........................................................................................................................36

Trap Managers..............................................................................................................................36

GVRP Configuration...........................................................................................................................37

System Reset Configuration ...................................................................................................................37

Factory Default..............................................................................................................................37

8 Port SNMP Managed Switch – User Manual Page 45

System Reboot..............................................................................................................................37

Web Management...................................................................................................................................38

Configuring The Switch ......................................................................................................................38

Port Status Screen.............................................................................................................................40

Port Statistics Screen.........................................................................................................................40

Administrator Screen..........................................................................................................................41

System Download ..............................................................................................................................41

Product Specifications.............................................................................................................................42

Order Codes.......................................................................................................................................42

This manual may change on occasions, to download the most recent version of this manual visit :-

http://www.lan-electronics.com

Tyco Electronics 8 Port SNMP Managed Switch, 0-15910 Series User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual