User Guide
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... configuring both system and network security, including traffic control, ACLs, and device access methods. ■ General System Information - Provides information for setting up and maintaining device settings. ■ Managing Device Security - Provides introductory information about the Web user interface for configuring port settings. It covers summaries of hardware and software features. ■ Using the 3Com Web Interface - Provides information for the 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus. ABOUT THIS GUIDE User Guide Overview This guide...
... configuring both system and network security, including traffic control, ACLs, and device access methods. ■ General System Information - Provides information for setting up and maintaining device settings. ■ Managing Device Security - Provides introductory information about the Web user interface for configuring port settings. It covers summaries of hardware and software features. ■ Using the 3Com Web Interface - Provides information for the 3Com® Baseline Switch 2916-SFP Plus and Baseline Switch 2924-SFP Plus. ABOUT THIS GUIDE User Guide Overview This guide...
User Guide
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...13 LED Status Indicators 14 System Specifications 15 Installing the Switch 16 Setting Up for Management 17 Methods of Managing a Switch 17 Switch Setup Overview 18 Using the Command Line Interface (CLI 21 Setting Up Web Interface Management 25 Setting Up SNMP Management V1 or V2 26 Default Users and Passwords 27 Upgrading Software using the CLI 27 2 USING THE 3COM WEB INTERFACE Starting the 3Com Web Interface 28 Understanding the 3Com Web Interface 30 Using Screen and Table Options 33 Saving the Configuration 37 Resetting the Device 38 Restoring Factory Defaults 39 Logging Off...
...13 LED Status Indicators 14 System Specifications 15 Installing the Switch 16 Setting Up for Management 17 Methods of Managing a Switch 17 Switch Setup Overview 18 Using the Command Line Interface (CLI 21 Setting Up Web Interface Management 25 Setting Up SNMP Management V1 or V2 26 Default Users and Passwords 27 Upgrading Software using the CLI 27 2 USING THE 3COM WEB INTERFACE Starting the 3Com Web Interface 28 Understanding the 3Com Web Interface 30 Using Screen and Table Options 33 Saving the Configuration 37 Resetting the Device 38 Restoring Factory Defaults 39 Logging Off...
User Guide
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... VLAN Settings 105 Modifying Port VLAN Settings 107 Removing VLANs 108 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining IP Addressing 109 Configuring ARP Settings 110 Configuring Address Tables 114 10 CONFIGURING IGMP SNOOPING Introduction 123 Defining IGMP Snooping 124 11 CONFIGURING SPANNING TREE Viewing Spanning Tree 127 Defining Spanning Tree 130 Modifying Spanning Tree 133 12 CONFIGURING SNMP Defining SNMP Communities 136 Removing SNMP Communities 138 Defining SNMP Traps 139 Removing SNMP Traps 140 13 CONFIGURING QUALITY OF SERVICE Viewing CoS Settings...
... VLAN Settings 105 Modifying Port VLAN Settings 107 Removing VLANs 108 9 CONFIGURING IP AND MAC ADDRESS INFORMATION Defining IP Addressing 109 Configuring ARP Settings 110 Configuring Address Tables 114 10 CONFIGURING IGMP SNOOPING Introduction 123 Defining IGMP Snooping 124 11 CONFIGURING SPANNING TREE Viewing Spanning Tree 127 Defining Spanning Tree 130 Modifying Spanning Tree 133 12 CONFIGURING SNMP Defining SNMP Communities 136 Removing SNMP Communities 138 Defining SNMP Traps 139 Removing SNMP Traps 140 13 CONFIGURING QUALITY OF SERVICE Viewing CoS Settings...
User Guide
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...9632; Front Panel Detail ■ LED Status Indicators ■ System Specifications ■ Installing the Switch ■ Setting Up for Management ■ Methods of Managing a Switch ■ Switch Setup Overview ■ Using the Command Line Interface (CLI) ■ Setting Up Web Interface Management ■ Setting Up SNMP Management V1 or V2 ■ Default Users and Passwords ■ Upgrading Software using the CLI 1 GETTING STARTED This chapter contains introductory information about the 3Com® Baseline Switch 2916-SFP Plus and the Baseline Switch 2924-SFP Plus and how they can...
...9632; Front Panel Detail ■ LED Status Indicators ■ System Specifications ■ Installing the Switch ■ Setting Up for Management ■ Methods of Managing a Switch ■ Switch Setup Overview ■ Using the Command Line Interface (CLI) ■ Setting Up Web Interface Management ■ Setting Up SNMP Management V1 or V2 ■ Default Users and Passwords ■ Upgrading Software using the CLI 1 GETTING STARTED This chapter contains introductory information about the 3Com® Baseline Switch 2916-SFP Plus and the Baseline Switch 2924-SFP Plus and how they can...
User Guide
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... of Table 1 summarizes the hardware features supported by the Switch 2916 Hardware Features and 2924. The Switch 2916 and 2924 ports are used, Auto MDIX is not supported. The Switch 2916 and 2924 includes the following models: ■ Baseline Switch 2916-SFP Plus 16-Port ■ Baseline Switch 2924-SFP Plus 24-Port The Switch 2916 and 2924 feature the following advantages: ■ Full Gigabit speed access ports ■ Jumbo frames ■ Port security ■ Link aggregation control protocol (LACP) ■ Up to 256 VLANs ■ Access control lists (ACLs) ■ Port-based mirroring...
... of Table 1 summarizes the hardware features supported by the Switch 2916 Hardware Features and 2924. The Switch 2916 and 2924 ports are used, Auto MDIX is not supported. The Switch 2916 and 2924 includes the following models: ■ Baseline Switch 2916-SFP Plus 16-Port ■ Baseline Switch 2924-SFP Plus 24-Port The Switch 2916 and 2924 feature the following advantages: ■ Full Gigabit speed access ports ■ Jumbo frames ■ Port security ■ Link aggregation control protocol (LACP) ■ Up to 256 VLANs ■ Access control lists (ACLs) ■ Port-based mirroring...
User Guide
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... "3Com CLI Reference Guide" on the switch. This is known as managing the switch. Managing the switch can use of the features offered by your network. It covers the following topics: ■ Methods of Managing a Switch ■ Switch Setup Overview ■ Manually set up of the switch and the different methods of accessing the management software to manage Management the switch using the Console Port ■ Setting Up Web Interface Management ■ Setting Up SNMP Management V1 or V2 ■ Default Users and Passwords Methods of Managing a Switch To manage...
... "3Com CLI Reference Guide" on the switch. This is known as managing the switch. Managing the switch can use of the features offered by your network. It covers the following topics: ■ Methods of Managing a Switch ■ Switch Setup Overview ■ Manually set up of the switch and the different methods of accessing the management software to manage Management the switch using the Console Port ■ Setting Up Web Interface Management ■ Setting Up SNMP Management V1 or V2 ■ Default Users and Passwords Methods of Managing a Switch To manage...
User Guide
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... switch which details the default IP address. See page 21 SNMP See page 26 Web Interface Connect over the network. How do you want to connect to the label on page 27. Switch Setup Overview 19 Figure 5 Initial Switch Setup and Management Flow Diagram Power Up the Switch. Plug and Play Setup Is a DHCP server present? Connect to manage your switch. See page 23 Feature Management How do you want to the console port and use the Command Line Interface...
... switch which details the default IP address. See page 21 SNMP See page 26 Web Interface Connect over the network. How do you want to connect to the label on page 27. Switch Setup Overview 19 Figure 5 Initial Switch Setup and Management Flow Diagram Power Up the Switch. Plug and Play Setup Is a DHCP server present? Connect to manage your switch. See page 23 Feature Management How do you want to the console port and use the Command Line Interface...
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The switch's Web interface supports both secure (HTTPS) and non-secure (HTTP) connections. Choosing a Browser To display the web interface correctly, use one of Managing a Switch" on page 17. ■ Ensure that the switch is connected to the network using a Category 5 twisted pair Ethernet cable with RJ-45 connectors. ■ A suitable Web browser. These features are enabled on your browser settings. You will only need to enable them if you have...
The switch's Web interface supports both secure (HTTPS) and non-secure (HTTP) connections. Choosing a Browser To display the web interface correctly, use one of Managing a Switch" on page 17. ■ Ensure that the switch is connected to the network using a Category 5 twisted pair Ethernet cable with RJ-45 connectors. ■ A suitable Web browser. These features are enabled on your browser settings. You will only need to enable them if you have...
User Guide
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..., and "Viewing IP Information using a port in VLAN 1 (the Default VLAN). To display and configure SNMP management parameters, refer to "Configuring SNMP" on the switch are in VLAN 1. See "3Com Network Management" on the same subnet as your switch. 3 Check you can use any network management application running the Simple Network Management Protocol (SNMP) to manage the switch. 3Com offers a range of network management applications to address networks of all ports on page 135. Be sure the management workstation is connected to the switch using the Console Port" on...
..., and "Viewing IP Information using a port in VLAN 1 (the Default VLAN). To display and configure SNMP management parameters, refer to "Configuring SNMP" on the switch are in VLAN 1. See "3Com Network Management" on the same subnet as your switch. 3 Check you can use any network management application running the Simple Network Management Protocol (SNMP) to manage the switch. 3Com offers a range of network management applications to address networks of all ports on page 135. Be sure the management workstation is connected to the switch using the Console Port" on...
User Guide
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... user name: admin with no Password. ■ Monitor access level - The factory default is be created and access the switch concurrently. Login information is required of each user. Provides the user with read -only system access. A unique password is managed in the local database. There is enabled on the 3Com Web Interface: ■ Management access level - This section contains the following topics: ■ Viewing System Access Settings ■ Defining System Access ■ Modifying System Access ■ Removing System Access...
... user name: admin with no Password. ■ Monitor access level - The factory default is be created and access the switch concurrently. Login information is required of each user. Provides the user with read -only system access. A unique password is managed in the local database. There is enabled on the 3Com Web Interface: ■ Management access level - This section contains the following topics: ■ Viewing System Access Settings ■ Defining System Access ■ Modifying System Access ■ Removing System Access...
User Guide
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Configuring System Access 47 Defining System The System Access Setup Page allows network administrators to this page. 1 Click Administration > System Access > Setup. Defines the user access level. Provides users with read and write access rights. ■ Monitor - Verifies the password. 2 Define the fields. 3 Click Apply. Defines the user name. ■ Access Level - Monitor users have no access to define Access users, passwords, and access levels for users using the System Access Interface. The lowest user access level is Monitor and...
Configuring System Access 47 Defining System The System Access Setup Page allows network administrators to this page. 1 Click Administration > System Access > Setup. Defines the user access level. Provides users with read and write access rights. ■ Monitor - Verifies the password. 2 Define the fields. 3 Click Apply. Defines the user name. ■ Access Level - Monitor users have no access to define Access users, passwords, and access levels for users using the System Access Interface. The lowest user access level is Monitor and...
User Guide
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... 256 ACLs. Drops packet that determine traffic classifications. Monitor users have no access to define classification actions and rules for specific ingress ports. Forwards packets which the packet was addressed. The total number of the filters that meets the ACL criteria, and disables the port to ACLs. ■ IP - Prec. - Indicates the ACL forwarding action. Ports are as follows: ■ Permit - If they are filtered by the ICMP message code. ■ IGMP Type - Packets...
... 256 ACLs. Drops packet that determine traffic classifications. Monitor users have no access to define classification actions and rules for specific ingress ports. Forwards packets which the packet was addressed. The total number of the filters that meets the ACL criteria, and disables the port to ACLs. ■ IP - Prec. - Indicates the ACL forwarding action. Ports are as follows: ■ Permit - If they are filtered by the ICMP message code. ■ IGMP Type - Packets...
User Guide
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... corresponding MAC addresses to forward packets from a network server upon system startup. IGMP Snooping examines IGMP frame contents, when they are stored and manipulated as the main interface for virtual bridged LANs, the services provided in VLANs and the protocols and algorithms involved in the form of a collection of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature Address Resolution Protocol (ARP) Class Of Service (CoS) Command Line Interface Configuration File Management DHCP Clients Fast Link Full...
... corresponding MAC addresses to forward packets from a network server upon system startup. IGMP Snooping examines IGMP frame contents, when they are stored and manipulated as the main interface for virtual bridged LANs, the services provided in VLANs and the protocols and algorithms involved in the form of a collection of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature Address Resolution Protocol (ARP) Class Of Service (CoS) Command Line Interface Configuration File Management DHCP Clients Fast Link Full...
User Guide
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... forwarding traffic. Port-based VLANs classify incoming packets to a monitoring port. RADIUS is a standard MIB that defines current and historical MAC-layer statistics and control objects, allowing real-time information to 8K MAC addresses. Remote Monitoring (RMON) is an extension to SNMP, which provides comprehensive network traffic monitoring capabilities (as opposed to SNMP which target port receives copies of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature MAC Address Capacity Support MAC Multicast Support MDI/MDIX Support Password Management Port...
... forwarding traffic. Port-based VLANs classify incoming packets to a monitoring port. RADIUS is a standard MIB that defines current and historical MAC-layer statistics and control objects, allowing real-time information to 8K MAC addresses. Remote Monitoring (RMON) is an extension to SNMP, which provides comprehensive network traffic monitoring capabilities (as opposed to SNMP which target port receives copies of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature MAC Address Capacity Support MAC Multicast Support MDI/MDIX Support Password Management Port...
User Guide
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... the ingress port and packet contents. Simple Network Management Protocol (SNMP) over the UDP/IP protocol controls access to automatically prevent and resolve L2 forwarding loops. VLANs are collections of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature SNMP Alarms and Trap Logs SNMP Versions 1 and 2 Spanning Tree Protocol SSL Static MAC Entries TCP TFTP Trivial File Transfer Protocol Virtual Cable Testing VLAN Support Web-based Management Description The system logs events with severity codes and timestamps...
... the ingress port and packet contents. Simple Network Management Protocol (SNMP) over the UDP/IP protocol controls access to automatically prevent and resolve L2 forwarding loops. VLANs are collections of the Baseline Switch 2916-SFP Plus and Switch 2924-SFP Plus (continued) Feature SNMP Alarms and Trap Logs SNMP Versions 1 and 2 Spanning Tree Protocol SSL Static MAC Entries TCP TFTP Trivial File Transfer Protocol Virtual Cable Testing VLAN Support Web-based Management Description The system logs events with severity codes and timestamps...
User Guide
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... in a reboot loop ■ No connection and the port LED is off . ■ Cannot connect to management using the device. power LED is applied. This section includes the following topics: ■ Problem Management - Provides information about problem management. ■ Troubleshooting Solutions - Listed below are found in this chapter, or through customer support. Once the problem is quantified, the solution is off ■ Lost Password. These error messages include: ■ Switch does...
... in a reboot loop ■ No connection and the port LED is off . ■ Cannot connect to management using the device. power LED is applied. This section includes the following topics: ■ Problem Management - Provides information about problem management. ■ Troubleshooting Solutions - Listed below are found in this chapter, or through customer support. Once the problem is quantified, the solution is off ■ Lost Password. These error messages include: ■ Switch does...
User Guide
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... network address set to the mains supply. Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Switch does not run; Be sure the switch has a valid IP address, subnet mask and default gateway configured Check that your cable is properly connected with a valid link light, and that the port has not been disabled Ensure that the power cord is not readable Software settings Replace the serial cable Reconfigure the emulation software connection settings. No response from the terminal Faulty serial cable...
... network address set to the mains supply. Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Switch does not run; Be sure the switch has a valid IP address, subnet mask and default gateway configured Check that your cable is properly connected with a valid link light, and that the port has not been disabled Ensure that the power cord is not readable Software settings Replace the serial cable Reconfigure the emulation software connection settings. No response from the terminal Faulty serial cable...
User Guide
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... using the Command Line Interface (CLI) to manage the device. User names and passwords are case sensitive. To logon to the CLI The Login process requires a User Name and Password. The default user name for first time configuration is managed through the CLI from a direct connection to the device console port Getting Started with the Command Line Interface Using the CLI, network managers enter configuration commands and parameters to entering commands on to the CLI Interface: 1 Press Enter without typing in a username. The device is admin...
... using the Command Line Interface (CLI) to manage the device. User names and passwords are case sensitive. To logon to the CLI The Login process requires a User Name and Password. The default user name for first time configuration is managed through the CLI from a direct connection to the device console port Getting Started with the Command Line Interface Using the CLI, network managers enter configuration commands and parameters to entering commands on to the CLI Interface: 1 Press Enter without typing in a username. The device is admin...
User Guide
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..., or DSCP priority bit. F GLOSSARY Access Control List ACLs can be set according to the port default, the packet's priority bit (in the appropriate output queue. ARP is used to locate the MAC address corresponding to 64 different forwarding behaviors. Dynamic Host Control Protocol (DHCP) Provides a framework for up to a given IP address. Boot Protocol (BOOTP) BOOTP is used to provide bootup information for certain IP or MAC (i.e., Layer 2) information.
..., or DSCP priority bit. F GLOSSARY Access Control List ACLs can be set according to the port default, the packet's priority bit (in the appropriate output queue. ARP is used to locate the MAC address corresponding to 64 different forwarding behaviors. Dynamic Host Control Protocol (DHCP) Provides a framework for up to a given IP address. Boot Protocol (BOOTP) BOOTP is used to provide bootup information for certain IP or MAC (i.e., Layer 2) information.
User Guide
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... address from 3Com or your authorized 3Com reseller or 3Com for the version of system hardware and software, including revision level ■ Diagnostic error messages ■ Details about recent configuration changes, if applicable Telephone Technical To obtain telephone support as a separately ordered product. See the table of your warranty and other service Support and Repair benefits, you contact 3Com for purchase from your region, use the Serial Number as...
... address from 3Com or your authorized 3Com reseller or 3Com for the version of system hardware and software, including revision level ■ Diagnostic error messages ■ Details about recent configuration changes, if applicable Telephone Technical To obtain telephone support as a separately ordered product. See the table of your warranty and other service Support and Repair benefits, you contact 3Com for purchase from your region, use the Serial Number as...