Getting Started Guide
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... Correct Cables 35 Choosing the Correct Cables for the 1000BASE-X SFP Ports 37 SFP Operation 38 Approved SFP Transceivers 38 Inserting an SFP Transceiver 39 Removing an SFP Transceiver 40 Packing and Shipping the Switch 4500 40 3 SETTING UP FOR MANAGEMENT Methods of Managing a Switch 42 Command Line Interface Management 42 Command Line Interface Management using SSH 43 Web Interface Management 43 SNMP Management 43 Setting Up Overview 44 IP Configuration 45 Preparing for Management 46 Manually Configuring IP Information 47 Connecting to the Console Port 47 Connecting to...
... Correct Cables 35 Choosing the Correct Cables for the 1000BASE-X SFP Ports 37 SFP Operation 38 Approved SFP Transceivers 38 Inserting an SFP Transceiver 39 Removing an SFP Transceiver 40 Packing and Shipping the Switch 4500 40 3 SETTING UP FOR MANAGEMENT Methods of Managing a Switch 42 Command Line Interface Management 42 Command Line Interface Management using SSH 43 Web Interface Management 43 SNMP Management 43 Setting Up Overview 44 IP Configuration 45 Preparing for Management 46 Manually Configuring IP Information 47 Connecting to the Console Port 47 Connecting to...
Getting Started Guide
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... Setting Up Command Line Interface Management 56 User Interface Overview 56 CLI Management via the Console Port 56 CLI Management over the Network 56 Setting Up Command Line Interface Management using SSH 57 Setting Up Web Interface Management 58 Pre-requisites 58 Web Management Over the Network 59 Setting Up SNMP Management V1 or V2 59 Pre-requisites 60 Default Users and Passwords 60 4 CREATING A STACK How To Interconnect Units 63 Guidelines For Interconnecting Units 64 Unit Numbering within the Stack 65 5 PROBLEM SOLVING Solving Problems Indicated by LEDs 68 Solving Hardware Problems...
... Setting Up Command Line Interface Management 56 User Interface Overview 56 CLI Management via the Console Port 56 CLI Management over the Network 56 Setting Up Command Line Interface Management using SSH 57 Setting Up Web Interface Management 58 Pre-requisites 58 Web Management Over the Network 59 Setting Up SNMP Management V1 or V2 59 Pre-requisites 60 Default Users and Passwords 60 4 CREATING A STACK How To Interconnect Units 63 Guidelines For Interconnecting Units 64 Unit Numbering within the Stack 65 5 PROBLEM SOLVING Solving Problems Indicated by LEDs 68 Solving Hardware Problems...
Getting Started Guide
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... 10/100/1000 Ports † 1000BASE-T SFP transceiver installed in last two 1000BASE-X SFP ports The Switch 4500 Family provides workgroup connectivity at 10- Table 3 summarizes what each Switch consists of the Switch, refer to a backbone, or for stacking, uplinks to the "Command Reference Guide" on the CD-ROM that accompanies the Switch. and 100-Mbps, and high-speed Gigabit ports for server connections. With stacking, you can add additional Switch 4500s as your network grows while preserving...
... 10/100/1000 Ports † 1000BASE-T SFP transceiver installed in last two 1000BASE-X SFP ports The Switch 4500 Family provides workgroup connectivity at 10- Table 3 summarizes what each Switch consists of the Switch, refer to a backbone, or for stacking, uplinks to the "Command Reference Guide" on the CD-ROM that accompanies the Switch. and 100-Mbps, and high-speed Gigabit ports for server connections. With stacking, you can add additional Switch 4500s as your network grows while preserving...
Getting Started Guide
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... 3 Switch 4500 26-Port PWR - Only connect RJ-45 data connectors, network telephony systems, or network telephones to these data sockets. They cannot be connected to a traditional PBX or public telephone network. front view Port Status LEDs Speed: (100Base-TX) Green = 100Mbps Yellow = 10Mbps Duplex: Green = Full Duplex, Yellow = Half Duplex Power: Green = Delivering Power, Yellow = Fault, Flashing Green = Over Budget 10/100BASE-TX Console Port Unit LED RPS LED 3CR17571-91 SuperStack 3 Switch 4500 PWR 26-Port 25 26 27/25 28/26 Mode Green=Speed Yellow=Duplex Flashing=PoE...
... 3 Switch 4500 26-Port PWR - Only connect RJ-45 data connectors, network telephony systems, or network telephones to these data sockets. They cannot be connected to a traditional PBX or public telephone network. front view Port Status LEDs Speed: (100Base-TX) Green = 100Mbps Yellow = 10Mbps Duplex: Green = Full Duplex, Yellow = Half Duplex Power: Green = Delivering Power, Yellow = Fault, Flashing Green = Over Budget 10/100BASE-TX Console Port Unit LED RPS LED 3CR17571-91 SuperStack 3 Switch 4500 PWR 26-Port 25 26 27/25 28/26 Mode Green=Speed Yellow=Duplex Flashing=PoE...
Getting Started Guide
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... SFP ports, 3Com recommends these ports to connect a terminal. Alternatively, auto-negotiation can be disabled (except 1000BASE-T which are : Port 25 with these ports is mandatory) and the flow control setting can be enabled at any combination. Port 50 with Port 28. Two 1000BASE-T SFP modules are inlcuded with Port 27; The Switch 4500 50 Port, 50 Port PWR, and 26 Port PWR models each pair can be used for these switches and can be installed in any one time. Front View...
... SFP ports, 3Com recommends these ports to connect a terminal. Alternatively, auto-negotiation can be disabled (except 1000BASE-T which are : Port 25 with these ports is mandatory) and the flow control setting can be enabled at any combination. Port 50 with Port 28. Two 1000BASE-T SFP modules are inlcuded with Port 27; The Switch 4500 50 Port, 50 Port PWR, and 26 Port PWR models each pair can be used for these switches and can be installed in any one time. Front View...
Getting Started Guide
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...supplemental power for PoE ports (up to the untagged Default VLAN (VLAN 1) with IEEE Std 802.1Q-1998 learning operational Management VLAN Any VLAN for all ports) and System Socket redundant power for the Switch 4500 Family: Table 6 Default Settings Feature Switch 4500 Automatic IP Configuration Enabled Port Status Enabled Port Speed Auto-negotiated Duplex Mode Auto-negotiated Power over Ethernet Enabled (3CR17571-91 and 3CR17572-91 only) Flow Control Auto-negotiated Broadcast Storm Control Enabled Virtual LANs (VLANs) All ports belong to 15.4w on front panel ports RMON...
...supplemental power for PoE ports (up to the untagged Default VLAN (VLAN 1) with IEEE Std 802.1Q-1998 learning operational Management VLAN Any VLAN for all ports) and System Socket redundant power for the Switch 4500 Family: Table 6 Default Settings Feature Switch 4500 Automatic IP Configuration Enabled Port Status Enabled Port Speed Auto-negotiated Duplex Mode Auto-negotiated Power over Ethernet Enabled (3CR17571-91 and 3CR17572-91 only) Flow Control Auto-negotiated Broadcast Storm Control Enabled Virtual LANs (VLANs) All ports belong to 15.4w on front panel ports RMON...
Getting Started Guide
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... RPS supply connected. If, for example, the Switch is used to connect a 3Com 11 Mbps Wireless LAN Access Point 8500 to the device, providing that accompanies your Switch 4500 PWR 33 The -48V DC power will power the Switch if it is a self-configuring protocol. When you plug a PoE compliant device into one of its 10/100 ports over Ethernet (PoE) units can power multiple devices. Connecting a Redundant Power Supply to the network. The earthing cable...
... RPS supply connected. If, for example, the Switch is used to connect a 3Com 11 Mbps Wireless LAN Access Point 8500 to the device, providing that accompanies your Switch 4500 PWR 33 The -48V DC power will power the Switch if it is a self-configuring protocol. When you plug a PoE compliant device into one of its 10/100 ports over Ethernet (PoE) units can power multiple devices. Connecting a Redundant Power Supply to the network. The earthing cable...
Getting Started Guide
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... list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your internet browser: http://www.3com.com/transceiver 1000BASE-SX, 1000BASE-LX, 1000BASE-LH70 or 1000BASE-T SFP transceivers must be matched with the correct cable type as follows: ■ 1000BASE-SX SFP transceiver Use this transceiver to connect Gigabit Ethernet SFP ports on the Switch directly to a multimode fiber...
... list of approved SFP transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your internet browser: http://www.3com.com/transceiver 1000BASE-SX, 1000BASE-LX, 1000BASE-LH70 or 1000BASE-T SFP transceivers must be matched with the correct cable type as follows: ■ 1000BASE-SX SFP transceiver Use this transceiver to connect Gigabit Ethernet SFP ports on the Switch directly to a multimode fiber...
Getting Started Guide
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... performance of your Switch, and to change and monitor the way it works, you have to manage a Switch. This is known as managing the Switch. It covers the following topics: ■ Methods of Managing a Switch ■ Setting Up Overview ■ Manually Configuring IP Information ■ Viewing Automatically Configured IP Information ■ Setting Up Command Line Interface Management ■ Setting Up Command Line Interface Management using SSH ■ Setting Up Web Interface Management ■ Setting Up SNMP Management V1 or V2 ■ Default Users and Passwords This chapter...
... performance of your Switch, and to change and monitor the way it works, you have to manage a Switch. This is known as managing the Switch. It covers the following topics: ■ Methods of Managing a Switch ■ Setting Up Overview ■ Manually Configuring IP Information ■ Viewing Automatically Configured IP Information ■ Setting Up Command Line Interface Management ■ Setting Up Command Line Interface Management using SSH ■ Setting Up Web Interface Management ■ Setting Up SNMP Management V1 or V2 ■ Default Users and Passwords This chapter...
Getting Started Guide
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... address from unauthorized access, you must change all three default passwords as soon as it is and it again. This makes management simpler and more information on default users and changing default passwords, see "Default Users and Passwords" on page 60. Setting Up Overview 45 CAUTION: To protect your Switch from a DHCP server on the network. You should use one of the IP address ever changing, or ■ your DHCP server does not allow static...
... address from unauthorized access, you must change all three default passwords as soon as it is and it again. This makes management simpler and more information on default users and changing default passwords, see "Default Users and Passwords" on page 60. Setting Up Overview 45 CAUTION: To protect your Switch from a DHCP server on the network. You should use one of the IP address ever changing, or ■ your DHCP server does not allow static...
Getting Started Guide
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... manually reconfigure the Switch. For detailed information about the specific web interface operations and command line interface commands and problem solving, refer to the "Command Reference Guide" on the CD-ROM that accompanies your chosen Management management method as ''''. 46 CHAPTER 3: SETTING UP FOR MANAGEMENT For a detailed description of how automatic IP configuration operates, please refer to the Configuration Guide on the CD-ROM that is supplied with an automatic IP address, the IP configuration...
... manually reconfigure the Switch. For detailed information about the specific web interface operations and command line interface commands and problem solving, refer to the "Command Reference Guide" on the CD-ROM that accompanies your chosen Management management method as ''''. 46 CHAPTER 3: SETTING UP FOR MANAGEMENT For a detailed description of how automatic IP configuration operates, please refer to the Configuration Guide on the CD-ROM that is supplied with an automatic IP address, the IP configuration...
Getting Started Guide
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... Switch via a modem). Manually Configuring IP Information 47 Manually Configuring IP Information You can do this example describes a local connection to the console port, rather than one via the console port directly. ■ Documentation supplied with the terminal emulation software. ■ The console cable (RJ-45) supplied with your Switch manually you can then manually enter IP information using the web interface or the command line interface (CLI). Connecting to the Console Port To set to the default value (1) connect a workstation using an Ethernet cable to the console port...
... Switch via a modem). Manually Configuring IP Information 47 Manually Configuring IP Information You can do this example describes a local connection to the console port, rather than one via the console port directly. ■ Documentation supplied with the terminal emulation software. ■ The console cable (RJ-45) supplied with your Switch manually you can then manually enter IP information using the web interface or the command line interface (CLI). Connecting to the Console Port To set to the default value (1) connect a workstation using an Ethernet cable to the console port...
Getting Started Guide
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... the cable to the Switch via telnet. Setting Up the Switch with a Network Interface Card installed) Ethernet Cable To connect the cable: Front Panel Port Connection a Attach an RJ-45 connector at the password prompt (default user name and password) press Return again. You can do this using an Ethernet cable as your user name and press Return and at one minute. 2 Open a suitable Web browser and enter the IP address of the Switch is...
... the cable to the Switch via telnet. Setting Up the Switch with a Network Interface Card installed) Ethernet Cable To connect the cable: Front Panel Port Connection a Attach an RJ-45 connector at the password prompt (default user name and password) press Return again. You can do this using an Ethernet cable as your user name and press Return and at one minute. 2 Open a suitable Web browser and enter the IP address of the Switch is...
Getting Started Guide
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... supplied with your usual username and password to access the CLI commands. 58 CHAPTER 3: SETTING UP FOR MANAGEMENT 5 Open an SSH session and access the Switch using SSH for the device. 6 The Switch and the SSH client will authenticate each other and a secure connection will ask you to confirm that the Switch is connected to the network using TFTP server please refer to the Configuration Guide that is correct for the first time. The first time you connect...
... supplied with your usual username and password to access the CLI commands. 58 CHAPTER 3: SETTING UP FOR MANAGEMENT 5 Open an SSH session and access the Switch using SSH for the device. 6 The Switch and the SSH client will authenticate each other and a secure connection will ask you to confirm that the Switch is connected to the network using TFTP server please refer to the Configuration Guide that is correct for the first time. The first time you connect...
Getting Started Guide
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... the default passwords). 5 Click on the Device View button to display the web management options. You will only need to enable them if you can use 3Com Network Director it automatically loads the correct MIBs and necessary files onto your browser. These features are in VLAN 1 (the Default VLAN). By default, all ports on the Switch are enabled on a browser by trying to browse the World Wide Web. Setting Up SNMP Management...
... the default passwords). 5 Click on the Device View button to display the web management options. You will only need to enable them if you can use 3Com Network Director it automatically loads the correct MIBs and necessary files onto your browser. These features are in VLAN 1 (the Default VLAN). By default, all ports on the Switch are enabled on a browser by trying to browse the World Wide Web. Setting Up SNMP Management...
Getting Started Guide
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... but cannot change this setting in System View, enter display snmp community. refer to log in System View, enter display snmp community. All commands are listed in System View. CAUTION: To protect your Switch from unauthorized access, you do this using the command line interface system management snmp community command - Table 16 Default Users User Name monitor manager admin Default Password Access Level monitor monitor - the user can do not intend to actively manage your Switch using the web interface or the command line interface, or to specify SNMP community strings...
... but cannot change this setting in System View, enter display snmp community. refer to log in System View, enter display snmp community. All commands are listed in System View. CAUTION: To protect your Switch from unauthorized access, you do this using the command line interface system management snmp community command - Table 16 Default Users User Name monitor manager admin Default Password Access Level monitor monitor - the user can do not intend to actively manage your Switch using the web interface or the command line interface, or to specify SNMP community strings...
Getting Started Guide
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... the configuration files stored on another Switch 4500 unit using Gigabit ports. ■ The stacking connections must be configured for "fabric mode" before they can only create a stack by interconnecting a 3Com Switch 4500 with other port pair; From the User View, enter the save command to save the configuration to unit over standard Gigabit Ethernet connections. Use the dir command from unit to your stack. 64 CHAPTER 4: CREATING A STACK As with all Switch 4500 CLI commands, the format for entering a portspecific command is x/y/z, where x = unit number, y = module number...
... the configuration files stored on another Switch 4500 unit using Gigabit ports. ■ The stacking connections must be configured for "fabric mode" before they can only create a stack by interconnecting a 3Com Switch 4500 with other port pair; From the User View, enter the save command to save the configuration to unit over standard Gigabit Ethernet connections. Use the dir command from unit to your stack. 64 CHAPTER 4: CREATING A STACK As with all Switch 4500 CLI commands, the format for entering a portspecific command is x/y/z, where x = unit number, y = module number...
Getting Started Guide
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... the stack VLAN. Unit Numbering within the stack if you wish to have predictability of knowing which units have which IDs at all times. ■ Stack topology is 'discovered' and the units auto-number their IDs. Figure 22 Stack example (using the Switch 4500 the unit numbering can be determined in the normal way, that is, you cannot control port features such as auto-negotiation, VLANs, static addresses, STP, Aggregated Links, Resilient Links, and...
... the stack VLAN. Unit Numbering within the stack if you wish to have predictability of knowing which units have which IDs at all times. ■ Stack topology is 'discovered' and the units auto-number their IDs. Figure 22 Stack example (using the Switch 4500 the unit numbering can be determined in the normal way, that is, you cannot control port features such as auto-negotiation, VLANs, static addresses, STP, Aggregated Links, Resilient Links, and...
Getting Started Guide
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88 CHAPTER 6: UPGRADING SOFTWARE Load File name: Switch IP address: Server IP address: FTP User Name: FTP User Password: 3 Enter the file name, Switch IP address, Server IP address, FTP user name and password to display the following: Are you sure to update your download baudrate: 1. 9600 2.*19200 3. 38400 4. 57600 5. 115200 0. Bootrom Upgrade To upgrade the bootrom firmware from the Boot menu via XModem do via XModem the following: 1 From the Boot Menu, select option...
88 CHAPTER 6: UPGRADING SOFTWARE Load File name: Switch IP address: Server IP address: FTP User Name: FTP User Password: 3 Enter the file name, Switch IP address, Server IP address, FTP user name and password to display the following: Are you sure to update your download baudrate: 1. 9600 2.*19200 3. 38400 4. 57600 5. 115200 0. Bootrom Upgrade To upgrade the bootrom firmware from the Boot menu via XModem do via XModem the following: 1 From the Boot Menu, select option...
Getting Started Guide
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...://www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. Access Software Downloads Software Updates are the software releases that follow the software version included with your product ■ A list of software initially purchased with the product. A link to you have the following information ready: ■ Product model name, part number, and serial number ■ Proof of technical solutions written by 3Com support engineers. When you contact 3Com for the version of system hardware and software, including...
...://www.3com.com/ 3Com Knowledgebase helps you troubleshoot 3Com products. Access Software Downloads Software Updates are the software releases that follow the software version included with your product ■ A list of software initially purchased with the product. A link to you have the following information ready: ■ Product model name, part number, and serial number ■ Proof of technical solutions written by 3Com support engineers. When you contact 3Com for the version of system hardware and software, including...