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Contents 3 C H A P T E R 4 C H A P T E R Using Command Aliases 2-7 Specifying Modules, Ports, and VLANs 2-7 Specifying MAC Addresses 2-8 Specifying IP Addresses, Host Names, and IP Aliases 2-8 ROM Monitor CLI 2-9 Example of a Catalyst 4003 Bootup Display 2-9 Configuring the Switch IP Address and Default Gateway 3-1 Understanding How the Switch Management Interfaces Work 3-1 Understanding How Automatic IP Configuration Works 3-2 Automatic IP Configuration Overview 3-2 Understanding...
Contents 3 C H A P T E R 4 C H A P T E R Using Command Aliases 2-7 Specifying Modules, Ports, and VLANs 2-7 Specifying MAC Addresses 2-8 Specifying IP Addresses, Host Names, and IP Aliases 2-8 ROM Monitor CLI 2-9 Example of a Catalyst 4003 Bootup Display 2-9 Configuring the Switch IP Address and Default Gateway 3-1 Understanding How the Switch Management Interfaces Work 3-1 Understanding How Automatic IP Configuration Works 3-2 Automatic IP Configuration Overview 3-2 Understanding...
Software Guide
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... PAgP and LACP 6-2 EtherChannel Configuration Guidelines and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups...Port VLAN Cost 6-9 Removing an EtherChannel Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches ...
... PAgP and LACP 6-2 EtherChannel Configuration Guidelines and Restrictions 6-3 Guidelines for Configuring a Port 6-3 Guidelines for Configuring VLANs and Trunks 6-4 EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups...Port VLAN Cost 6-9 Removing an EtherChannel Bundle 6-9 Displaying EtherChannel Configuration Information 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches ...
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...Specifying the Port Priority 6-19 Specifying an Administrative Key Value 6-19 Changing the Channel Mode 6-20 Specifying the Channel Path Cost 6-21 Specifying the Channel VLAN Cost 6-21 Clearing LACP Statistics 6-21 Displaying EtherChannel Traffic Utilization 6-21 Disabling an EtherChannel 6-22 Displaying Spanning Tree-Related Information for EtherChannels 6-22 7 ...Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
...Specifying the Port Priority 6-19 Specifying an Administrative Key Value 6-19 Changing the Channel Mode 6-20 Specifying the Channel Path Cost 6-21 Specifying the Channel VLAN Cost 6-21 Clearing LACP Statistics 6-21 Displaying EtherChannel Traffic Utilization 6-21 Disabling an EtherChannel 6-22 Displaying Spanning Tree-Related Information for EtherChannels 6-22 7 ...Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
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... Maximum Aging Time 7-45 Configuring MST 7-46 Enabling MST 7-46 Mapping and Unmapping VLANs to an MST Instance 7-54 Configuring Spanning Tree BPDU Skewing 7-57 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard 8-1 Understanding How PortFast Works 8-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vii
... Maximum Aging Time 7-45 Configuring MST 7-46 Enabling MST 7-46 Mapping and Unmapping VLANs to an MST Instance 7-54 Configuring Spanning Tree BPDU Skewing 7-57 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard 8-1 Understanding How PortFast Works 8-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vii
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... a Normal-Range Ethernet VLAN 10-7 Creating or Modifying an Extended-Range VLAN 10-9 Assigning Switch Ports to a VLAN 10-10 Mapping 802.1Q VLANs to ISL VLANs 10-11 Clearing 802.1Q-to-ISL VLAN Mappings 10-12 Deleting a VLAN 10-12 Configuring Auxiliary VLANs 10-13 Understanding Auxiliary VLANs 10-13 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
... a Normal-Range Ethernet VLAN 10-7 Creating or Modifying an Extended-Range VLAN 10-9 Assigning Switch Ports to a VLAN 10-10 Mapping 802.1Q VLANs to ISL VLANs 10-11 Clearing 802.1Q-to-ISL VLAN Mappings 10-12 Deleting a VLAN 10-12 Configuring Auxiliary VLANs 10-13 Understanding Auxiliary VLANs 10-13 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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...H A P T E R Configuring Private VLANs 10-16 Private VLAN Configuration Guidelines 10-17 Creating a Private VLAN 10-19 Viewing the Port Capability of a Private VLAN Port 10-22 Deleting a Private VLAN 10-22 Deleting an Isolated or Community VLAN 10-23 Deleting a Private VLAN Mapping 10-23 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports ... VMPS 12-9 Maintaining VMPS 12-9 Configuring Static Ports 12-10 Troubleshooting VMPS and Dynamic Port VLAN Membership 12-11 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 x 78-15486-01
...H A P T E R Configuring Private VLANs 10-16 Private VLAN Configuration Guidelines 10-17 Creating a Private VLAN 10-19 Viewing the Port Capability of a Private VLAN Port 10-22 Deleting a Private VLAN 10-22 Deleting an Isolated or Community VLAN 10-23 Deleting a Private VLAN Mapping 10-23 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports ... VMPS 12-9 Maintaining VMPS 12-9 Configuring Static Ports 12-10 Troubleshooting VMPS and Dynamic Port VLAN Membership 12-11 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 x 78-15486-01
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... 12-11 Troubleshooting Dynamic Ports 12-11 VMPS Example 12-12 Dynamic Port VLAN Membership with Auxiliary VLANs 12-14 Configuration Guidelines 12-15 Configuring Dynamic Port VLAN Membership with Auxiliary VLANs 12-15 Configuring GVRP 13-1 Understanding How GVRP Works 13-1 GVRP Hardware ... Value for the Switch 14-5 Reverting to the Default Switch CoS Value 14-5 Mapping CoS Values to Transmit Queues and Drop Thresholds 14-6 Reverting to the Default CoS-to-Transmit Queue and Drop Threshold Mapping 14-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...
... 12-11 Troubleshooting Dynamic Ports 12-11 VMPS Example 12-12 Dynamic Port VLAN Membership with Auxiliary VLANs 12-14 Configuration Guidelines 12-15 Configuring Dynamic Port VLAN Membership with Auxiliary VLANs 12-15 Configuring GVRP 13-1 Understanding How GVRP Works 13-1 GVRP Hardware ... Value for the Switch 14-5 Reverting to the Default Switch CoS Value 14-5 Mapping CoS Values to Transmit Queues and Drop Thresholds 14-6 Reverting to the Default CoS-to-Transmit Queue and Drop Threshold Mapping 14-6 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...
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... SPAN Session 26-1 Destination Port 26-2 Source Port 26-2 Reflector Port 26-3 Ingress SPAN 26-3 Egress SPAN 26-3 VSPAN 26-3 Trunk VLAN Filtering 26-4 SPAN Traffic 26-4 SPAN and RSPAN Session Limits 26-4 Configuring SPAN 26-4 Understanding How SPAN Works 26-4 SPAN Configuration Guidelines 26... RSPAN Works 26-8 RSPAN Configuration Guidelines 26-9 Configuring RSPAN 26-10 RSPAN Configuration Examples 26-13 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting the System Contact and Location 27-3 Setting the...
... SPAN Session 26-1 Destination Port 26-2 Source Port 26-2 Reflector Port 26-3 Ingress SPAN 26-3 Egress SPAN 26-3 VSPAN 26-3 Trunk VLAN Filtering 26-4 SPAN Traffic 26-4 SPAN and RSPAN Session Limits 26-4 Configuring SPAN 26-4 Understanding How SPAN Works 26-4 SPAN Configuration Guidelines 26... RSPAN Works 26-8 RSPAN Configuration Guidelines 26-9 Configuring RSPAN 26-10 RSPAN Configuration Examples 26-13 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting the System Contact and Location 27-3 Setting the...
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...-2 Authentication Initiation and Message Exchange 31-3 Ports in Authorized and Unauthorized States 31-4 Authentication Server 31-5 802.1x Parameters Configurable on the Switch 31-6 802.1x VLAN Assignment Using a RADIUS Server 31-6 Authentication Default Configuration 31-7 Authentication Configuration Guidelines 31-8 Configuring 802.1x Authentication on the...-End Authenticator-to-Host Frame-Retransmission Number 31-14 Resetting the 802.1x Configuration Parameters to the Default Values 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xix
...-2 Authentication Initiation and Message Exchange 31-3 Ports in Authorized and Unauthorized States 31-4 Authentication Server 31-5 802.1x Parameters Configurable on the Switch 31-6 802.1x VLAN Assignment Using a RADIUS Server 31-6 Authentication Default Configuration 31-7 Authentication Configuration Guidelines 31-8 Configuring 802.1x Authentication on the...-End Authenticator-to-Host Frame-Retransmission Number 31-14 Resetting the 802.1x Configuration Parameters to the Default Values 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xix
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... (UDLD) protocol on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring UDLD Describes how to check connectivity using ping, Telnet, and IP traceroute. Configuring RMON Describes how to configure Inter-Switch Link (ISL) and IEEE 802.1Q VLAN trunks on the switch. Configuring VLAN Trunks on Fast Ethernet...
... (UDLD) protocol on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Configuring UDLD Describes how to check connectivity using ping, Telnet, and IP traceroute. Configuring RMON Describes how to configure Inter-Switch Link (ISL) and IEEE 802.1Q VLAN trunks on the switch. Configuring VLAN Trunks on Fast Ethernet...
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... VLANs, page 2-7 • Specifying MAC Addresses, page 2-8 • Specifying IP Addresses, Host Names, and IP Aliases, page 2-8 • ROM Monitor CLI, page 2-9 • Example of the commands used to configure the Route Switch Module (RSM) and Route Switch Feature Card (RSFC), refer to the Cisco IOS software command reference publications. For descriptions of a Catalyst 4003...
... VLANs, page 2-7 • Specifying MAC Addresses, page 2-8 • Specifying IP Addresses, Host Names, and IP Aliases, page 2-8 • ROM Monitor CLI, page 2-9 • Example of the commands used to configure the Route Switch Module (RSM) and Route Switch Feature Card (RSFC), refer to the Cisco IOS software command reference publications. For descriptions of a Catalyst 4003...
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...To access the switch CLI through the console port, follow these steps: Step 1 Step 2 Connect to see this display: Cisco Systems, Inc. Console Enter password: After you successfully connect to change the configuration. For more information, see the "Example of a Catalyst 4003 Bootup ... module, port, or VLAN. Make sure that the terminal is connected to the switch and that the terminal is on how to connect a terminal to the supervisor engine console port, refer to change switch parameters. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
...To access the switch CLI through the console port, follow these steps: Step 1 Step 2 Connect to see this display: Cisco Systems, Inc. Console Enter password: After you successfully connect to change the configuration. For more information, see the "Example of a Catalyst 4003 Bootup ... module, port, or VLAN. Make sure that the terminal is connected to the switch and that the terminal is on how to connect a terminal to the supervisor engine console port, refer to change switch parameters. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release...
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... on module 2. Table 2-4 shows examples of ports. batch di exit logout Command help configure show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. To designate a specific port on module 2. With many commands, you must refer to specify a range of 1/1 because logically the...
... on module 2. Table 2-4 shows examples of ports. batch di exit logout Command help configure show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. To designate a specific port on module 2. With many commands, you must refer to specify a range of 1/1 because logically the...
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...range of IP addresses. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-8 78-15486-01 For information on module 4 VLANs are identified using IP aliases, see Chapter 38, "Configuring DNS." IP aliases can also configure IP aliases on the switch, which you specify a... DNS, see the "Defining and Using IP Aliases" section on the switch, you can use IP host names instead of VLANs. The MAC address format must be designated in place of VLANs, use an IP address, except for most commands that is configured properly...
...range of IP addresses. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-8 78-15486-01 For information on module 4 VLANs are identified using IP aliases, see Chapter 38, "Configuring DNS." IP aliases can also configure IP aliases on the switch, which you specify a... DNS, see the "Defining and Using IP Aliases" section on the switch, you can use IP host names instead of VLANs. The MAC address format must be designated in place of VLANs, use an IP address, except for most commands that is configured properly...
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... Work The Catalyst 4500 series, the Catalyst 2948G, and the Catalyst 2980G switches have three management interfaces: • In-band interface (sc0) • SLIP interface (s10) • Management Ethernet interface (me1) The in all of the functions of a normal switch port, such as spanning tree, Cisco Discovery Protocol (CDP), and VLAN membership. CH A P T E R 3 Configuring the Switch IP Address...
... Work The Catalyst 4500 series, the Catalyst 2948G, and the Catalyst 2980G switches have three management interfaces: • In-band interface (sc0) • SLIP interface (s10) • Management Ethernet interface (me1) The in all of the functions of a normal switch port, such as spanning tree, Cisco Discovery Protocol (CDP), and VLAN membership. CH A P T E R 3 Configuring the Switch IP Address...
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.... Understanding How Automatic IP Configuration Works Chapter 3 Configuring the Switch IP Address and Default Gateway When you configure the IP address, subnet mask, and broadcast address (and when you configure VLAN membership on both the sc0 and me1 interfaces, the me1 ...you enter a command that is generated by the switch (for forwarding traffic sent by the switch software. Note When the switch boots with IP address 10.1.1.2 and subnet mask 255.255.255.0). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-2 78-15486-...
.... Understanding How Automatic IP Configuration Works Chapter 3 Configuring the Switch IP Address and Default Gateway When you configure the IP address, subnet mask, and broadcast address (and when you configure VLAN membership on both the sc0 and me1 interfaces, the me1 ...you enter a command that is generated by the switch (for forwarding traffic sent by the switch software. Note When the switch boots with IP address 10.1.1.2 and subnet mask 255.255.255.0). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-2 78-15486-...
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...) Broadcast address (sc0 and me1 interfaces only) • VLAN membership (sc0 interface only) • SLIP and SLIP destination addresses (sl0 interface only) • Interface connection type: - If you map the switch MAC address to an IP address on the RARP server. ...BOOTP response is retained. If you configure the switch IP address and default gateway, obtain the following information, as well). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-4 78-15486-01 The switch retrieves its IP address from RARP is received ...
...) Broadcast address (sc0 and me1 interfaces only) • VLAN membership (sc0 interface only) • SLIP and SLIP destination addresses (sl0 interface only) • Interface connection type: - If you map the switch MAC address to an IP address on the RARP server. ...BOOTP response is retained. If you configure the switch IP address and default gateway, obtain the following information, as well). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-4 78-15486-01 The switch retrieves its IP address from RARP is received ...
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... gateway configuration. If necessary, bring the interface up Verify the interface configuration. set . Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 To set the IP address and VLAN membership of the in-band (sc0) management interface, perform this task in privileged mode: Step 1 Step 2 Step 3 Step...
... gateway configuration. If necessary, bring the interface up Verify the interface configuration. set . Console> (enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-5 To set the IP address and VLAN membership of the in-band (sc0) management interface, perform this task in privileged mode: Step 1 Step 2 Step 3 Step...
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...IP packets that are destined for example, Telnet, TFTP, and ping). The me1 interface is present only on the Catalyst 4500 series, Catalyst 2948G, and Catalyst 2980G switches. If necessary, bring the interface up Verify the interface configuration. show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 ...sc0: flags=63 vlan 5 inet 172.20.52.124 netmask 255.255.255.248 broadcast 172.20.52.17 Console> (enable)...
...IP packets that are destined for example, Telnet, TFTP, and ping). The me1 interface is present only on the Catalyst 4500 series, Catalyst 2948G, and Catalyst 2980G switches. If necessary, bring the interface up Verify the interface configuration. show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 ...sc0: flags=63 vlan 5 inet 172.20.52.124 netmask 255.255.255.248 broadcast 172.20.52.17 Console> (enable)...
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... ----G UG U U Use -------0 12 180 22 Interface --------- When the SLIP connection is enabled and SLIP is attached on a Catalyst 4500 series, Catalyst 2948G, or Catalyst 2980G switch, with Telnet. Command telnet {host_name | ip_addr} enable set ip route default 10.1.1.1 Route added. Configuring the SLIP (sl0) Interface...point-to restore the console port connection. Console> (enable) show interface sl0: flags=50 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 5 inet 172.20.52.38 netmask 255.255.255.240 broadcast 172.20.52.47 me1: flags=63 inet 10.1.1.100 netmask...
... ----G UG U U Use -------0 12 180 22 Interface --------- When the SLIP connection is enabled and SLIP is attached on a Catalyst 4500 series, Catalyst 2948G, or Catalyst 2980G switch, with Telnet. Command telnet {host_name | ip_addr} enable set ip route default 10.1.1.1 Route added. Configuring the SLIP (sl0) Interface...point-to restore the console port connection. Console> (enable) show interface sl0: flags=50 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 5 inet 172.20.52.38 netmask 255.255.255.240 broadcast 172.20.52.47 me1: flags=63 inet 10.1.1.100 netmask...