Page 9 - Introduction; from the information in this guide, follow the release notes.; How to Use This Guide; If you are looking for:
A B O U T T H I S G U I D E Introduction This guide describes how to install and configure the MSH Switch 1005. If the information in the release notes shipped with your product differs from the information in this guide, follow the release notes. How to Use This Guide The following table shows wher...
Page 10 - Conventions; Table 1; Notice Icons; Icon; Text Conventions; Convention; This typeface; commands
2 A B O U T T H I S G U I D E Conventions Table 1 and Table 2 list text and icon conventions that are used throughout this guide: Table 1 Notice Icons Icon Type Description Information Note Information notes call attention to important features or instructions. Caution Cautions alert you to personal...
Page 11 - Related Publications; This User Guide is not intended to answer all your questions
Related Publications 3 Related Publications This User Guide is not intended to answer all your questions concerning the MSH. While using the MSH Switch 1005, you may need to refer to the following publications: ■ LinkBuilder MSH User Guide , part number DUA1800-0AAA0x. ■ LinkBuilder MSH Management M...
Page 13 - About the LinkBuilder MSH; “Setting up the Switch 1005”
1 G E T T I N G S T A R T E D About the LinkBuilder MSH The LinkBuilder MSH is an extremely versatile, chassis-based hub that allows you to connect and manage large, mixed-technology, mixed-media LANs. The basis of the MSH is the chassis into which you can install a series of network-specific module...
Page 14 - Summary of Features
DUA1840-0AAA01 1 - 2 C H A P T E R 1: G E T T I N G S T A R T E D Summary of Features ■ 8 switched 10BASE-T ports ■ Slot for optional Fast Ethernet or 10BASE-T Transceiver M odule ■ Switched connections to all 3 internal Ethernet backplanes ■ Internal Fast Ethernet backplane ■ Ability to add E xpans...
Page 15 - Port Connections; 0BASE-T Switch Ports; “Setting the Links on the
DUA1840-0AAA01 About the MSH Switch 1005 1 - 3 ■ SmartAgent support ■ SNMP with IP and IPX protocols ■ RMON ■ Repeater and Bridge MIB ■ Broadcast storm control ■ Easy software upgrades ■ BOOTP ■ Local management Port Connections 10BASE-T Switch Ports Eight fixed ports each configured as MDIX provide...
Page 16 - Transceiver Module Ports; “Transceiver Module slot”; The Backbone Port; backbone port; Adding an Expansion Module; “Transceiver
DUA1840-0AAA01 1 - 4 C H A P T E R 1: G E T T I N G S T A R T E D Transceiver Module Ports A slot on the front of the Switch 1005 allows you to install any of the Transceiver M odules available for this product. You can find more details in “Transceiver Module slot” on page 1-18. The Backbone Port T...
Page 17 - Switch Operation and Features; How the Switch Compares to a Bridge; Packet Source
DUA1840-0AAA01 Switch Operation and Features 1 - 5 Switch Operation and Features How the Switch Compares to a Bridge The table below shows how Switch 1005 operation compares to that of a n IEEE 802.1D bridge: In all other ways, MSH Switch 1005 and bridge operation is identical. Forwarding of Packets...
Page 19 - Intelligent Flow Management
DUA1840-0AAA01 Switch Operation and Features 1 - 7 Intelligent Flow Management Intelligent Flow Management (IFM) is a congestion control mechanism built into the Switch 1005. Congestion is caused by one or more devices sending traffic to a Switch port which is already busy. The Switch 1005 contains ...
Page 21 - Chapter 4; PACE
DUA1840-0AAA01 Switch Operation and Features 1 - 9 Implementing VLANs on your network has three main advantages: ■ Network administration personnel are required to make less physical intervention when a workstation has to be moved. Within the VLAN setup, a group of devices on different floors in a b...
Page 23 - MSH Switch 1005 on Your Network; Server Connections; the Switch 1005, we recommend that you disable IFM on that port.; Network Configuration Examples
DUA1840-0AAA01 MSH Switch 1005 on Your Network 1 - 11 MSH Switch 1005 on Your Network Server Connections When integrating the Switch 1005 into your network, the following notes on server connections will ensure that it is operating at maximum efficiency: ■ Ideally ... ... any local server should be ...
Page 24 - Workgroup Switch I; shows how the Switch 1005 fits into a large corporate
DUA1840-0AAA01 1 - 12 C H A P T E R 1: G E T T I N G S T A R T E D Figure 1-1 Workgroup Switch I Figure 1-1 shows how the Switch 1005 fits into a large corporate network with a Fast Ethernet infrastructure. A Switch is positioned on each floor and servers are centralized in the basement.
Page 25 - shows the Switch 1005 in a second workgroup situation. This
DUA1840-0AAA01 MSH Switch 1005 on Your Network 1 - 13 Figure 1-2 Workgroup Switch II Figure 1-2 shows the Switch 1005 in a second workgroup situation. This setup could be that of a small office within a large corporation, or part of a larger corporate network. Each switch port has mainly muliple end...
Page 26 - Desktop Switch; shows the Switch 1005 used for a group of heavy-traffic
DUA1840-0AAA01 1 - 14 C H A P T E R 1: G E T T I N G S T A R T E D Figure 1-3 Desktop Switch Figure 1-3 shows the Switch 1005 used for a group of heavy-traffic users in a large corporate network. Here, switching is brought to the desktop with a single end-station per switch port. Local servers are c...
Page 27 - Configuration Rules for Fast Ethernet; category 5; category 5
DUA1840-0AAA01 Configuration Rules for Fast Ethernet 1 - 15 Configuration Rules for Fast Ethernet The topology rules for Fast Ethernet (100Mbps) are slightly different to those for 10Mbps Ethernet. The key topology rules are: ■ Maximum UTP cable length is 100m (328ft) over category 5 cable. ■ A 412m...
Page 28 - Switch Overview — Front Panel
DUA1840-0AAA01 1 - 16 C H A P T E R 1: G E T T I N G S T A R T E D Switch Overview — Front Panel Figure 1-4 Switch 1005 front view
Page 29 - LEDs; For information on using the LEDs for fault diagnosis, please see; LED; Ports 1 - 4 relate to any Transceiver Module installed into the
DUA1840-0AAA01 Switch Overview — Front Panel 1 - 17 LEDs For information on using the LEDs for fault diagnosis, please see “Identifying Fault Conditions with the LEDs” in Chapter 6. LED Color Indicates ... PWR (Power) Green Green flash (slow, 0.5 Hz) Green flash (fast, 1Hz) Amber The Switch is power...
Page 30 - Transceiver Module slot
DUA1840-0AAA01 1 - 18 C H A P T E R 1: G E T T I N G S T A R T E D Transceiver Module slot Allows you to install an Transceiver Module. Transceivers available include: ■ 100BASE-TX Transceiver Module (3C18407) — This Fast Ethernet, 100Mbps, twisted pair port provides the Switch with a single, high-s...
Page 31 - Switch Overview — PCB View
DUA1840-0AAA01 Switch Overview — PCB View 1 - 19 Switch Overview — PCB View Figure 1-5 Switch 1005 PCB view Transceiver Module Connector [1] 2x 20 pin connector for any of the Transceiver Module s listed in “Transceiver Module slot” on page 1-18. Installation of the Transceiver Module s is described...
Page 32 - “Setting the Links on the Switch 1005”; Switch Defaults; Ethernet Statistics session per por t/VLAN.
DUA1840-0AAA01 1 - 20 C H A P T E R 1: G E T T I N G S T A R T E D Expansion Module Fixing Posts [2] The two threaded posts provide fixing points for an E xpansion M odule should you choose to attach one to this Switch. Links LK 1 to LK 5 [3] Allow you to configure internal backplane connections for...
Page 33 - Setting Up the MSH Switch 1005 for Management; LinkBuilder MSH
DUA1840-0AAA01 Setting Up the MSH Switch 1005 for Management 1 - 21 Setting Up the MSH Switch 1005 for Management This section describes how to get started if you wish to use an SNMP manager. It assumes you are already familiar with SNMP management. ■ If you are using IP and you have a BOOTP server ...
Page 35 - Safety Information
2 I N S T A L L A T I O N A N D I N I T I A L S E T U P Safety Information Before installing the MSH Switch 1005 into your MSH chassis, you should consider the following safety information: ■ Installation and removal of the Switch 1005 should be carried out by qualified personnel only. ■ The Switch ...
Page 36 - Pre-installation Configuration; Setting the Links on the Switch 1005
DUA1840-0AAA01 2-2 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Pre-installation Configuration Before installing the Switch 1005 into the chassis, ensure it is configured to suit your particular requirements. Procedures that must be carried out prior to installation include...
Page 37 - shows possible configurations for LK1 - LK5. You may have; Position and Link Number
DUA1840-0AAA01 Pre-installation Configuration 2-3 Table 2-1 shows possible configurations for LK1 - LK5. You may have any combination of backplane connections enabled at any one time. In a managed MSH chassis, these links will be overridden by any changes made through management software. This is th...
Page 38 - Advice for Setting Backplane Connections and Avoiding Loops
DUA1840-0AAA01 2-4 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Advice for Setting Backplane Connections and Avoiding Loops Considerable care should be taken when setting backplane connections if there is more than one Switch 1005 installed in your MSH chassis. If more than...
Page 39 - Fitting a Transceiver Module; If you have an Expansion Module fitted to your Switch 1005 and you; Fitting an Expansion Module; Fitting an Expansion Module allows you to increase the number of
DUA1840-0AAA01 Pre-installation Configuration 2-5 Fitting a Transceiver Module The MSH Switch 1005 has a slot for one Transceiver Module. You should fit the Transceiver Module before you fit the Expansion Module and before you install the Switch 1005 into the MSH chassis. Fitting the Transceiver Mod...
Page 40 - Switch 1005 Installation and Removal; LinkBuilder MSH User Guide
DUA1840-0AAA01 2-6 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Switch 1005 Installation and Removal The following steps give a brief guide to installing the Switch 1005 into the chassis and removing it. For detailed instructions, refer to the LinkBuilder MSH User Guide , p...
Page 41 - You do not need to power off the MSH chassis before removing the; Operation after Power-up; In an Unmanaged System
DUA1840-0AAA01 Switch 1005 Installation and Removal 2-7 Removing the Switch 1005 You do not need to power off the MSH chassis before removing the Switch 1005. However, you should warn any users attached to the Switch of the disruption in operation. 1 Undo the screws from the locking bar of the MSH c...
Page 42 - In a Managed System; In a managed MSH chassis, operation of the Switch 1005 is the same,
DUA1840-0AAA01 2-8 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P In a Managed System In a managed MSH chassis, operation of the Switch 1005 is the same, but the Management Module may itself override the link settings. This will occur if: ■ The Management Module has a stored ...
Page 43 - Using the VT100 Interface; Local Management
DUA1840-0AAA01 Setting up the Switch 1005 2-9 Setting up the Switch 1005 You can manage the Switch 1005 using any of the following methods: ■ Access the VT100 interface by connecting a VT100 terminal (or workstation with terminal emulation software) to the serial port located on the front panel of a...
Page 44 - VT100 screen components; Type of
DUA1840-0AAA01 2-10 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P : Table 2-2 VT100 screen components Type of information Shown on screen as... Description Choice Field * text * Text enclosed with markers is a list from which you can select one option only. Press [Space] to ...
Page 45 - terminal emulation software before using the Control keys.; Use this key; move the cursor one space to the left and delete a character. To
DUA1840-0AAA01 Setting up the Switch 1005 2-11 . If you are using Telnet or a terminal emulation program you may find that some of the Control keys do not operate or that they activate other functions. Check carefully in the manual accompanying your Telnet or terminal emulation software before using...
Page 48 - Logging On; LinkBuilder
DUA1840-0AAA01 2-14 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Logging On 1 Logon to the LinkBuilder MSH. This is described fully in the LinkBuilder MSH Management Module (3C18500) User Guide , part number DUA1850-0AAA0x. 2 When you have successfully logged on to the MSH,...
Page 49 - security; After Logging On; Default Users; User Name
DUA1840-0AAA01 Accessing the Switch 1005 VT100 Interface 2-15 ■ If you are logging on for the first time (after installation or initialization), use a default user name and password to match your access requirements. We recommend you that you use the default user security so that you can access all ...
Page 51 - Switch 1005 Management Setup; “Resetting the; Switch Management Setup screen; MAC Address; Normal
DUA1840-0AAA01 Accessing the Switch 1005 VT100 Interface 2-17 Switch 1005 Management Setup The Switch Management Setup screen allows you to configure IP and IPX parameters for the Switch 1005. This screen also allows you to display a screen for setting up traps. If you change the IP parameters using...
Page 53 - SETUP TRAPS; “Setting Up Traps”; Logging Off; Auto Logout screen
DUA1840-0AAA01 Accessing the Switch 1005 VT100 Interface 2-19 SETUP TRAPS Select this button to display the setup screen for trap parameters. Trap Setup is described in “Setting Up Traps” in Chapter 3. Logging Off If you have finished using the facility, select the Logoff option from the bottom of t...
Page 55 - Setting Up Users; User Access Levels screen; LOCAL SECURITY screen
DUA1840-0AAA01 Setting Up Users 2-21 Setting Up Users From the Main Menu, select USER ACCESS LEVELS. The User Access Levels screen appears as shown in Figure 2-7 . Figure 2-7 User Access Levels screen From this screen you can access: ■ LOCAL SECURITY screen — Lets you set up access levels for users ...
Page 56 - Creating a New User; Create User screen; monitor
DUA1840-0AAA01 2-22 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Creating a New User These steps assume the User Access Levels screen is displayed. 1 Select the CREATE USER option. The Create User screen appears as shown in Figure 2-8 . Figure 2-8 Create User screen 2 Fill ...
Page 57 - manager; Community String; Deleting a User; Delete Users screen
DUA1840-0AAA01 Setting Up Users 2-23 ■ manager — access to all the manageable parameters of the Switch 1005, except security features ■ specialist — as manager ■ security — access to all manageable parameters of the Switch 1005 Community String By default a community string identical to the user nam...
Page 58 - Editing User Details; Edit User screen; advise on your next course of action.
DUA1840-0AAA01 2-24 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Editing User Details These steps assume the User Access Levels screen is displayed. 1 Select the EDIT USER option. The Edit User screen appears as shown in Figure 2-10 . Figure 2-10 Edit User screen 2 Fill in ...
Page 59 - Assigning Local Security; Switch Local Security screen; Serial Port; Security; Remote Telnet
DUA1840-0AAA01 Setting Up Users 2-25 Assigning Local Security The local security screen shows a matrix of options for access method (Serial Port, Remote Telnet, Community-SNMP) and access level. These steps assume the User Access Levels screen is displayed. 1 Select the LOCAL SECURITY option. The Lo...
Page 60 - Community SNMP; The Switch 1005 can be managed
DUA1840-0AAA01 2-26 C H A P T E R 2: I N S T A L L A T I O N A N D I N I T I A L S E T U P Community SNMP Enabled/Disabled The Switch 1005 can be managed via SNMP using a remote network manager. Community SNMP does have some simple security features, but it is an insecure protocol. You may want to d...
Page 62 - Choosing a Switch Management Level; Switch Management screen — port level
3 S W I T C H C O N F I G U R A T I O N Choosing a Switch Management Level The Switch Management screen lets you: ■ Choose between managing a port, the Switch module or a VLAN. ■ Display screens showing statistical information. ■ Display the Switch Database configuration screen. ■ Display the Switch...
Page 63 - Management Level; Module; Switch Management screen — module level
DUA1840-0AAA01 3-2 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Management Level Module/Port/VLAN If you choose Module , the screen that appears is similar to the example shown in Figure 3-2 and all options at the foot of the screen relate to the Switch 1005. If you choose Port , the scree...
Page 64 - Port ID; port; STATISTICS
DUA1840-0AAA01 Choosing a Switch Management Level 3-3 Port ID 1 ... 28 When managing a Switch 1005 port , type the port number into this field before selecting the next screen: ■ Ports 1 to 4 represent ports on any Transceiver Module you may have installed ■ Ports 5 to 12 are the eight fixed 10BASE-...
Page 65 - module; Module Setup screen; Module Type; Fast Forward
DUA1840-0AAA01 3-4 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Switch 1005 Setup With the Switch Management screen displayed, choose to setup the module , then select the SETUP button. The Switch Module Setup screen is displayed as shown in Figure 3-4 . Figure 3-4 Module Setup screen The ...
Page 66 - one
DUA1840-0AAA01 Switch 1005 Setup 3-5 ■ Fragment Free — In this mode, a minimum of 64 bytes of the received frame is buffered prior to the frame being forwarded. This ensures that collision fragments are not propagated through the network, however, CRC errors are forwarded. The forwarding delay or la...
Page 68 - Port Setup; Port Setup screen; Present/Not Available; Port State
DUA1840-0AAA01 Port Setup 3-7 Port Setup With the Switch Management screen displayed, choose to setup the port , then select the SETUP button. The Switch Port Setup screen is displayed as shown in Figure 3-5 . Figure 3-5 Port Setup screen The screen shows the following: Port ID This read-only field ...
Page 70 - “Switch; Select VLT Mode; Chapter 5; Duplex Mode; Intelligent Flow Management (IFM) will not work on a port which uses
DUA1840-0AAA01 Port Setup 3-9 PACE Enable/Disable/Unit Default This field allows you to enable or disable PACE (Priority Access Control Enabled) on the port: ■ Enable — Enabling PACE increases network performance particularly if you are using multimedia applications. You should only enable PACE on a...
Page 72 - You should be aware of the following points when using Broadcast; Specifying the Backbone Port; Specifying the backbone port for your Switch 1005 is carried out
DUA1840-0AAA01 Port Setup 3-11 You should be aware of the following points when using Broadcast Storm Control: ■ The Switch takes 5-7 seconds to recognize that a broadcast storm is occurring. ■ Broadcast Storm Control calculates the average broadcast bandwidth over the previous 20 second interval. T...
Page 73 - Database is 100% full; Ageing entries
DUA1840-0AAA01 3-12 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N The Switch Database (SDB) The Switch 1005 maintains a database of all addresses received on all of its local ports. It uses the information in this database to decide whether a frame should be forwarded or filtered. The datab...
Page 74 - Permanent entries
DUA1840-0AAA01 The Switch Database (SDB) 3-13 ■ Non-ageing entries — If the ageing time is set to 00:00, all ageing entries in the database are defined as non-ageing entries. This means that they do not age, but they are still deleted if the Switch 1005 is reset. For more information about setting a...
Page 75 - Configuring the Switch Database; Switch Module Database View screen; “Choosing a Switch Management Level”; Database Entries
DUA1840-0AAA01 3-14 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Configuring the Switch Database The Switch Module Database View screen, shown in Figure 3-6 , allows you to display and configure the contents of the Switch 1005 database. Figure 3-6 Switch Module Database View screen To acce...
Page 76 - Searching the Switch Database; By MAC Address; By Port
DUA1840-0AAA01 The Switch Database (SDB) 3-15 A listbox containing the following three fields: Port The port ID for this entry. MAC Address The MAC address for the port currently stored in the database. Permanent Shows Yes if this entry is permanent , or No if this entry is ageing . See the previous...
Page 77 - Port Number; Adding an Entry into the SDB; Deleting an Entry from the SDB
DUA1840-0AAA01 3-16 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N 2 In the Port Number field, enter the port ID for which you want MAC addresses displayed. 3 Select FIND. The listbox will show entries in the database for that port only. Adding an Entry into the SDB 1 In the MAC Address fiel...
Page 78 - Resilient Links
DUA1840-0AAA01 Resilient Links 3-17 Resilient Links Switch 1005 ports can be configured to provide resilient links. A resilient link consists of a main link and a standby link. Under normal network operating conditions, the main link carries your data. The fiber Receive Idle signal or the Test Pulse...
Page 79 - Viewing Resilient Setup; Module Resilience Summary screen; MAIN Port; Active
DUA1840-0AAA01 3-18 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Viewing Resilient Setup With the Switch Management screen displayed, choose to set up the module and select the RESILIENCE button. The Switch Module Resilience Summary screen is displayed as shown in Figure 3-7 . This screen ...
Page 80 - Unknown; Active Port; Main; Pair Enable
DUA1840-0AAA01 Resilient Links 3-19 ■ Unknown — The network configuration has changed and the resilient link pair no longer conforms to the rules. ■ Not Available — This resilient link pair is disabled. Active Port Main/Standby/Both Failed Shows which port in the resilient link pair is currently car...
Page 81 - Configuring Resilient Links; Port Resilience screen; Main Port ID; Available; Standby Port ID
DUA1840-0AAA01 3-20 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Configuring Resilient Links With the Switch Management screen displayed, choose the port that will be set up as the main port in the resilient link pair, then select the RESILIENCE button. The Port Resilience screen is displa...
Page 83 - Creating a Resilient Link; Standby Links Available; Deleting a Resilient Link
DUA1840-0AAA01 3-22 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Creating a Resilient Link 1 Ensure that the port nominated as the standby port is not physically connected to the unit. 2 Ensure both ports have an identical port security mode configuration and that they are members of the s...
Page 84 - Setting Up Traps; Your Network Manager may automatically set up traps in the Switch; Trap Setup screen; IP or IPX Address
DUA1840-0AAA01 Setting Up Traps 3-23 Setting Up Traps Traps are messages sent across the network to an SNMP Network Manager. They alert the network administrator to faults or changes at the Switch 1005. Your Network Manager may automatically set up traps in the Switch 1005 Trap Table. Check the docu...
Page 85 - public; Throttle
DUA1840-0AAA01 3-24 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Community String The community string allows a very simple method of authentication between the Switch 1005 and the remote Network Manager. The text string can be of 32 characters or less. If you want a Network Manager to rec...
Page 86 - Reset screen; Resetting the Switch 1005 in this way is similar to performing
DUA1840-0AAA01 Resetting the Switch 1005 3-25 Resetting the Switch 1005 If you suspect a problem with the Switch 1005, you can perform a reset. 1 From the Switch Main Menu, select the RESET option. The Reset screen appears as shown in Figure 3-10 . 2 Select OK. Figure 3-10 Reset screen CAUTION: Rese...
Page 87 - Initializing the Switch 1005; Initialization screen; Use Initialize with great care. The Switch 1005 configuration
DUA1840-0AAA01 3-26 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Initializing the Switch 1005 This screen allows you to perform a reset as described in the previous section, and in addition, returns non-volatile data stored on the unit to its factory defaults. Note that the IP address is n...
Page 88 - backplane connections. See
DUA1840-0AAA01 Initializing the Switch 1005 3-27 ■ Network loops may occur if you are not careful when configuring your backplane connections. See “Advice for Setting Backplane Connections and Avoiding Loops” on page 2-4 . ■ Ports which form part of a VLT will fail and you will not be able to manage...
Page 89 - Upgrading Software; Appendix C; Software Upgrade screen; File Name
DUA1840-0AAA01 3-28 C H A P T E R 3: S W I T C H C O N F I G U R A T I O N Upgrading Software When 3Com issues a new version of the software image for the Switch 1005, you can obtain it from the 3Com Bulletin Board Service, see Appendix C . You use the Software Upgrade screen to download new softwar...
Page 90 - In the
DUA1840-0AAA01 Upgrading Software 3-29 3 In the Server Address field, type the IP or IPX address of the host containing the software image to load. 4 Select OK. During the download, the MGMT LED flashes green (fast flash, 1Hz) and the screen is locked. When the download is complete, the module is re...
Page 93 - Benefits of VLANs; It eases the change and movement of devices on IP networks
DUA1840-0AAA01 4-2 C H A P T E R 4: A D V A N C E D M A N A G E M E N T Benefits of VLANs Implementing VLANs on your network has three main advantages: ■ It eases the change and movement of devices on IP networks With traditional IP networks, network administrators spend much of their time dealing w...
Page 94 - An Example; The concept of VLANs
DUA1840-0AAA01 Virtual LANs (VLANs) 4-3 An Example Figure 4-1 shows a network configured with port-based VLANs, where a VLAN consists of a set of switch ports. There are three VLANs — one for each of the departments who access the network. The membership of VLAN 1 is restricted to ports 1, 2, 3, 4 a...
Page 95 - The Default VLAN; “Setting; Connecting VLANs to a Router; backbone ports
DUA1840-0AAA01 4-4 C H A P T E R 4: A D V A N C E D M A N A G E M E N T VLANs and the Switch 1005 The Switch 1005 supports port-based VLANs, where a VLAN consists of a set of switch ports. Each switch port can only belong to one VLAN at a time, regardless of the device to which it is attached. Each ...
Page 96 - Connecting Common VLANs Between Switches; VLTs can only be used for links between Switch 1005 modules,; Using Non-routable Protocols
DUA1840-0AAA01 Virtual LANs (VLANs) 4-5 Connecting Common VLANs Between Switches In the Switch 1005, VLANs are typically connected to other Switch 1005 modules, SuperStack II Switch 1000 units and SuperStack II Switch 3000 units using backbone ports. Similar to the router connections, you normally r...
Page 97 - VLAN Configurations; Example 1; Enterprise Manager applications.
DUA1840-0AAA01 4-6 C H A P T E R 4: A D V A N C E D M A N A G E M E N T VLAN Configurations Example 1 The example shown in Figure 4-2 illustrates a simple VLAN configuration comprising a single Switch 1005 with a 10Base-T Transceiver Module. The ports are divided between two VLANs; VLAN 1 is able to...
Page 98 - VLAN configuration with a single Switch 1005 module
DUA1840-0AAA01 Virtual LANs (VLANs) 4-7 Figure 4-2 VLAN configuration with a single Switch 1005 module
Page 99 - Example 2
DUA1840-0AAA01 4-8 C H A P T E R 4: A D V A N C E D M A N A G E M E N T Example 2 The example shown in Figure 4-3 illustrates two VLANs spanning two Switch 1005s, each with a Fast Ethernet Transceiver Module as port 1. VLAN 1 is able to talk to VLAN 2 using the backbone port connection between each ...
Page 100 - VLAN configuration with two Switch 1005s
DUA1840-0AAA01 Virtual LANs (VLANs) 4-9 You can set up this configuration more easily using 3Com’s Transcend Enterprise Manager applications. Figure 4-3 VLAN configuration with two Switch 1005s
Page 101 - Example 3
DUA1840-0AAA01 4-10 C H A P T E R 4: A D V A N C E D M A N A G E M E N T Example 3 The example shown in Figure 4-4 illustrates two VLANs spanning three Switch 1005s (each with a 100FX Transceiver Module as port 1) and a basement SuperStack II Switch 3000 FX with a 100FX Downlink Module. Each Switch ...
Page 102 - VLAN configuration with a Switch 3000 FX as a basement switch
DUA1840-0AAA01 Virtual LANs (VLANs) 4-11 You can set up this configuration more easily using 3Com’s Transcend Enterprise Manager applications. Figure 4-4 VLAN configuration with a Switch 3000 FX as a basement switch
Page 103 - Setting Up VLANs on the Switch; VLAN; VLAN Setup screen
DUA1840-0AAA01 4-12 C H A P T E R 4: A D V A N C E D M A N A G E M E N T Setting Up VLANs on the Switch The VLAN Setup screen allows you to set up and manage VLANs on the Switch. To access the VLAN Setup screen: 1 From the VT100 Main Menu, select SWITCH MANAGEMENT. The Switch Management screen appea...
Page 104 - Select Port Type; Transceiver Module, the Transceiver Module with the lowest port; Port; “VLANs and the Switch 1005”; BP
DUA1840-0AAA01 Virtual LANs (VLANs) 4-13 Select Port Type Port/Backbone Port This field allows you to specify whether the port specified in the Port ID field is a backbone port. A backbone port is used to connect each VLAN to the backbone of your network, and has the following attributes: ■ Addresse...
Page 105 - ResBP; This field displays the resilient backbone port for the VLAN, if; APPLY; This button applies any changes to the VLAN database.
DUA1840-0AAA01 4-14 C H A P T E R 4: A D V A N C E D M A N A G E M E N T ResBP This field displays the resilient backbone port for the VLAN, if one exists. For more information about creating resilient links, see “Resilient Links” on page 3-17 . APPLY This button applies any changes to the VLAN data...
Page 106 - Assigning a Port to a VLAN; Initially, all Switch ports belong to the Default VLAN ( VLAN; Specifying a Backbone Port; “Port
DUA1840-0AAA01 Virtual LANs (VLANs) 4-15 Assigning a Port to a VLAN 1 In the Port ID field, type the ID of the required port. 2 In the VLAN ID field, type the ID of the required VLAN. 3 Select APPLY. CAUTION: Initially, all Switch ports belong to the Default VLAN ( VLAN 1). This VLAN is the only VLA...
Page 109 - Summary Statistics; Switch Summary Statistics screen; FRAMES RECEIVED
DUA1840-0AAA01 5-2 C H A P T E R 5: S T A T U S M O N I T O R I N G A N D S T A T I S T I C S Summary Statistics With the Switch Management screen displayed, choose to view statistics for the Switch 1005 module , then select the STATISTICS button. A typical Switch Summary Statistics screen is displa...
Page 110 - FRAMES FORWARDED; “Resetting the Switch 1005”
DUA1840-0AAA01 Summary Statistics 5-3 FRAMES FORWARDED Displays the total number of frames that were received by each port and forwarded to other ports. FRAMES FILTERED Displays the total number of frames that were filtered because the destination station was on the same segment (port) as the source...
Page 111 - Port Statistics; Switch Port Statistics screen
DUA1840-0AAA01 5-4 C H A P T E R 5: S T A T U S M O N I T O R I N G A N D S T A T I S T I C S Port Statistics With the Switch Management screen displayed, choose to view statistics for a Switch 1005 port , then select the STATISTICS button. A typical Switch Port Statistics screen is displayed as sho...
Page 112 - Frames Forwarded
DUA1840-0AAA01 Port Statistics 5-5 Frames Forwarded This counter provides a running average of the proportion of the received frames that are forwarded and is expressed as a percentage of all received frames. A sampling period of 1 minute is used. Broadcast Frame Bandwidth This counter provides a ru...
Page 113 - Port Traffic Statistics; Port Traffic Statistics screen
DUA1840-0AAA01 5-6 C H A P T E R 5: S T A T U S M O N I T O R I N G A N D S T A T I S T I C S Port Traffic Statistics With the Port Statistics screen displayed, select the TRAFFIC STATISTICS button. A typical Port Traffic Statistics screen is displayed as shown in Figure 5-3 . Figure 5-3 Port Traffi...
Page 116 - Port Error Analysis; Port Error Analysis screen
DUA1840-0AAA01 Port Error Analysis 5-9 Port Error Analysis With the Port Statistics screen displayed, select the ERROR ANALYSIS button. A typical Port Error Analysis screen is displayed as shown in Figure 5-4 . Figure 5-4 Port Error Analysis screen The screen shows the following: Port ID The ID of t...
Page 118 - Status Monitoring; Status screen; Number Of Resets
DUA1840-0AAA01 Status Monitoring 5-11 Status Monitoring The status screen provides read-only information about the Switch 1005. To access the screen, from the Main Menu, select the STATUS option. The Status screen is displayed as shown in Figure 5-5 . Figure 5-5 Status screen The screen shows the fo...
Page 120 - Remote Polling; Remote Poll screen; Target Address
DUA1840-0AAA01 Remote Polling 5-13 Remote Polling The Remote Poll screen allows you to send a single frame to a remote device to see if that device is responding. This can help to locate the source of a network problem. It is also particulary helpful in locating devices that support IP, IPX and ping...
Page 122 - Spot Checks; “Identifying Fault Conditions with the LEDs”
6 P R O B L E M S O L V I N G Spot Checks This chapter explains how to check for problems and solve them. It is good practice to carry out regular checks of your MSH equipment and it could allow you spot a potential problem before it occurs. Check the following: ■ LEDs — Press the Lamp Test button l...
Page 123 - Identifying Fault Conditions with the LEDs; The following table shows how you can identify possible fault
DUA1840-0AAA01 6-2 C H A P T E R 6: P R O B L E M S O L V I N G Identifying Fault Conditions with the LEDs The following table shows how you can identify possible fault conditions that may occur during normal operation. It also describes actions that may resolve the problem: If you cannot solve the ...
Page 124 - “Port Setup”
DUA1840-0AAA01 VT100 Problems 6-3 VT100 Problems The SNMP Network Manager cannot access the device: Check the device's IP address, subnet mask and default router are correctly configured, and that the device has been reset. Check that the device's IP address is correctly recorded by the SNMP Network...
Page 125 - You forget your password and cannot log in:; Switch 1005 Operation Problems; You see network problems and the Packet LED is on continuously; Changing links LK1 to LK5 has no effect on external port
DUA1840-0AAA01 6-4 C H A P T E R 6: P R O B L E M S O L V I N G You forget your password and cannot log in: If you are not one of the default users (monitor, manager or security), another user having ‘security' access level can log in, delete your user name, and create a new user name for you, with ...
Page 128 - Screen
A S C R E E N A C C E S S R I G H T S The following table lists the rights assigned to each level of user for accessing and editing Switch 1005 screens via the VT100 interface. The access rights granted to Monitor level are all read-only. All other access rights are read-and-write. Screen Available ...
Page 132 - Operating Temperature; Safety; Agency Certifications; Electromagnetic Emissions; Note that to comply with these standards, shielded cables; Heat Dissipation; 4 watts maximum
B T E C H N I C A L S P E C I F I C A T I O N Physical Dimensions Height: 283mm (11.1 inches) x Width: 25mm (1 inch) x Depth 312mm (12.3 inches) Weight: 560g (1.2lbs) Environmental Requirements Operating Temperature 0° to 50° C (32° to 122°F) Operating Humidity 10 to 95% relative humidity, non-conde...
Page 133 - Standards Supported; SNMP
DUA1840-0AAA01 B-2 A P P E N D I X B: T E C H N I C A L S P E C I F I C A T I O N Standards Supported SNMP ■ SNMP protocol (RFC 1157) ■ MIB-II (RFC 1213) ■ Bridge MIB (RFC 1286) ■ Repeater MIB (RFC 1516) ■ VLAN MIB (RFC 1573) ■ RMON MIB (RFC 1271) ■ BOOTP (RFC 951) Terminal Emulation ■ Telnet (RFC 8...
Page 134 - Online Technical Services; Com Bulletin Board Service; Access by Modem
C T E C H N I C A L S U P P O R T 3Com provides easy access to technical support information through the variety of services described in this appendix. Online Technical Services 3Com offers worldwide product support seven days a week, 24 hours a day, through the following online systems: ■ 3Com Bul...
Page 135 - Access by ISDN; World Wide Web Site; Country
DUA1840-0AAA01 C-2 A P P E N D I X C: T E C H N I C A L S U P P O R T Call the telephone number nearest you: Access by ISDN ISDN users can dial-in to 3ComBBS using a digital modem for fast access up to 56 Kbps. To access 3ComBBS using ISDN, dial the following number: (408) 654 2703 World Wide Web Si...
Page 136 - ComForum on CompuServe; patches; go threecom; ComFacts Automated Fax Service
DUA1840-0AAA01 Online Technical Services C-3 3ComForum on CompuServe 3ComForum is a CompuServe-based service containing patches , software, drivers, and technical articles about all 3Com products, as well as a messaging section for peer support. To use 3ComForum, you need a CompuServe account. To us...
Page 137 - Support from Your Network Supplier
DUA1840-0AAA01 C-4 A P P E N D I X C: T E C H N I C A L S U P P O R T Support from Your Network Supplier If additional assistance is required, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network plan...
Page 138 - Support from 3Com; If you are unable to receive support from your network supplier,
DUA1840-0AAA01 Support from 3Com C-5 Support from 3Com If you are unable to receive support from your network supplier, technical support contracts are available from 3Com. In the U.S. and Canada, call (800) 876-3266 for customer service. If you are outside the U.S. and Canada, contact your local 3C...
Page 139 - Returning Products for Repair; A product sent directly to 3Com for repair must first be assigned a; Europe
DUA1840-0AAA01 C-6 A P P E N D I X C: T E C H N I C A L S U P P O R T Returning Products for Repair A product sent directly to 3Com for repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to 3Com without an RMA number will be returned to the sender unopened, a...
Page 140 - 00Mbps Ethernet implementation over fiber.; ageing; which have timed-out and are no longer valid.; backbone; between network segments.; connect the Switch to the backbone of your network.; backplane; The internal path between modules within the MSH chassis.; bandwidth
G L O S S A R Y 10BASE-T The IEEE 802.3 specification for Ethernet over Unshielded Twisted Pair (UTP). 100BASE-FX 100Mbps Ethernet implementation over fiber. 100BASE-TX 100Mbps Ethernet implementation over Category 5 and Type 1 Twisted Pair cabling. ageing The automatic removal of dynamic entries fr...
Page 141 - line speed
DUA1840-0AAA01 8 G L O S S A R Y baud rate The switching speed of a line. Also known as line speed . BOOTP The BOOTP protocol allows you to automatically map an IP address to a given MAC address each time a device is started. In addition, the protocol can assign the subnet mask and default gateway t...
Page 146 - Numerics; See
I N D E X Numerics 100BASE-FX Transceiver Module 1-18 100BASE-TX Transceiver Module 1-18 10BASE-T Transceiver Module 1-18 3Com Bulletin Board Service (3ComBBS) C-1 3Com sales offices C-5 3Com World Wide Web site C-2 3ComFacts C-3 3ComForum C-3 4 Port 10BASE-T Transceiver Module 1-18 A access levels ...