Software Guide
Page 2
...SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of Cisco... partner does not imply a partnership relationship between Cisco and any other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. The use of Cisco Systems, Inc.; THE SOFTWARE LICENSE AND LIMITED...
...SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of Cisco... partner does not imply a partnership relationship between Cisco and any other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. The use of Cisco Systems, Inc.; THE SOFTWARE LICENSE AND LIMITED...
Software Guide
Page 17
...or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10... Scheduling a Reset Within a Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2 ...
...or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10... Scheduling a Reset Within a Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2 ...
Software Guide
Page 36
... multi-module systems. Commands you enter from the CLI might apply to the entire system or to see this display: Cisco Systems, Inc. If the switch is on page 2-9). If the switch is already booted, press Enter to a specific module, port, or VLAN. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01
... multi-module systems. Commands you enter from the CLI might apply to the entire system or to see this display: Cisco Systems, Inc. If the switch is on page 2-9). If the switch is already booted, press Enter to a specific module, port, or VLAN. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01
Software Guide
Page 39
...line. Ctrl-C Escapes and terminates prompts and lengthy tasks. Ctrl-E Jumps to display a list of commands that start with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note The ...Console> (enable) set of characters. To use when entering and editing switch commands. The system displays all commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-D Deletes the character at the privileged...
...line. Ctrl-C Escapes and terminates prompts and lengthy tasks. Ctrl-E Jumps to display a list of commands that start with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note The ...Console> (enable) set of characters. To use when entering and editing switch commands. The system displays all commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-D Deletes the character at the privileged...
Software Guide
Page 41
...port numbers to specify a range of ports. To designate a specific port on module 2. To specify a range of 1/1 because logically the ports are not case sensitive; On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the ...slot number are logically on a specific module, the command syntax is module 1, residing in slot 1. In ...
...port numbers to specify a range of ports. To designate a specific port on module 2. To specify a range of 1/1 because logically the ports are not case sensitive; On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the ...slot number are logically on a specific module, the command syntax is module 1, residing in slot 1. In ...
Software Guide
Page 76
... that can be run only on the Catalyst 4500 series switches, you can form an EtherChannel with similar characteristics to eight ports. Understanding Frame Distribution EtherChannel distributes frames across the ports in IEEE 802.3ad, allows Cisco switches to the 802.3ad specification. In addition, on Cisco switches and those switches released by the spanning tree feature, the...
... that can be run only on the Catalyst 4500 series switches, you can form an EtherChannel with similar characteristics to eight ports. Understanding Frame Distribution EtherChannel distributes frames across the ports in IEEE 802.3ad, allows Cisco switches to the 802.3ad specification. In addition, on Cisco switches and those switches released by the spanning tree feature, the...
Software Guide
Page 98
...placing redundant switch ports in STP-blocked mode. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions ... switched LAN segment. • Any loops in the switched network are eliminated by defining a tree that spans all paths that are called root or designated switches. The Cisco ...blocked port in the network. When loops occur, some switches recognize stations on page 7-2. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 ...
...placing redundant switch ports in STP-blocked mode. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions ... switched LAN segment. • Any loops in the switched network are eliminated by defining a tree that spans all paths that are called root or designated switches. The Cisco ...blocked port in the network. When loops occur, some switches recognize stations on page 7-2. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 ...
Software Guide
Page 100
... 7-1 shows the default port cost values that have not been specifically configured for each switch. • A designated switch is used for each type of the switch ports, you specify the long method. You can also manually assign port costs between 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 A MAC frame...
... 7-1 shows the default port cost values that have not been specifically configured for each switch. • A designated switch is used for each type of the switch ports, you specify the long method. You can also manually assign port costs between 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 A MAC frame...
Software Guide
Page 116
... edge port. A port that lead to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Otherwise, the port requires twice the forward delay time to a nonbridging device (for a port is displayed as point-to make a specific bridge IST master. If the port connects to another bridge...
... edge port. A port that lead to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Otherwise, the port requires twice the forward delay time to a nonbridging device (for a port is displayed as point-to make a specific bridge IST master. If the port connects to another bridge...
Software Guide
Page 123
... cost 12. If all ports have the same priority value for a particular VLAN, the port with the lowest priority value for a specific VLAN forwards frames for a VLAN on set the port priority for a trunking port in privileged mode: Step 1 Step 2 Task Command... set spantree portpri 2/1-48 32 set spantree portvlanpri 2/1 0 set spantree portvlancost 2/3 cost 20000 1-5,12 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-27 This parameter applies to trunking ports only. show config all This example shows how ...
... cost 12. If all ports have the same priority value for a particular VLAN, the port with the lowest priority value for a specific VLAN forwards frames for a VLAN on set the port priority for a trunking port in privileged mode: Step 1 Step 2 Task Command... set spantree portpri 2/1-48 32 set spantree portvlanpri 2/1 0 set spantree portvlancost 2/3 cost 20000 1-5,12 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-27 This parameter applies to trunking ports only. show config all This example shows how ...
Software Guide
Page 131
... instance priority on a port: Console> (enable) set spantree portinstancepri {mod/port} priority [instances] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-35 The port with the lowest priority value for a specific MISTP instance forwards frames for that instance. This parameter applies to forward frames. Command set spantree portinstancecost...
... instance priority on a port: Console> (enable) set spantree portinstancepri {mod/port} priority [instances] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-35 The port with the lowest priority value for a specific MISTP instance forwards frames for that instance. This parameter applies to forward frames. Command set spantree portinstancecost...
Software Guide
Page 149
... (root priority:32768, sys ID ext:2) Designated Root Cost 0 Remaining Hops 20 Designated Root Port 1/0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-53 The port with the lowest port number forwards frames for an instance of MST. Console... is from 0-63. If all ports have the same priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for that instance. Port 6/1 MST Instances 0-1,3-15 using portpri 20. Chapter 7 Configuring Spanning Tree Configuring MST...
... (root priority:32768, sys ID ext:2) Designated Root Cost 0 Remaining Hops 20 Designated Root Port 1/0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-53 The port with the lowest port number forwards frames for an instance of MST. Console... is from 0-63. If all ports have the same priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for that instance. Port 6/1 MST Instances 0-1,3-15 using portpri 20. Chapter 7 Configuring Spanning Tree Configuring MST...
Software Guide
Page 159
...01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Figure 8-1 shows an example UplinkFast network topology. The uplink group provides an alternate path in Figure 8-2). Switch A, the root switch, is connected directly to Switch B over link L1 and to Switch C... fails. Figure 8-2 Example of applications and should not be enabled on Switch C that have a limited number of active VLANs. The port on backbone or distribution layer switches. Specifically, an uplink group consists of the root port (which is forwarding) ...
...01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Figure 8-1 shows an example UplinkFast network topology. The uplink group provides an alternate path in Figure 8-2). Switch A, the root switch, is connected directly to Switch B over link L1 and to Switch C... fails. Figure 8-2 Example of applications and should not be enabled on Switch C that have a limited number of active VLANs. The port on backbone or distribution layer switches. Specifically, an uplink group consists of the root port (which is forwarding) ...
Software Guide
Page 177
... specifications, and security violations. You can use VTP to manage VLANs 1-1005 in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches ...Command Reference. Note For complete information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for the commands used in a number ...
... specifications, and security violations. You can use VTP to manage VLANs 1-1005 in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches ...Command Reference. Note For complete information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for the commands used in a number ...
Software Guide
Page 187
...device. Chapter 9 Configuring VTP Configuring VTP Version 1 and Version 2 Enabling VTP Pruning To enable VTP pruning, perform this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on this task in privileged mode: Step 1 Step 2 Step 3 Step 4 Step... the particular device: Console> (enable) set vtp mode server Changing VTP mode for pruning on trunk 16/1 1-1005,1025-4094 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-11
...device. Chapter 9 Configuring VTP Configuring VTP Version 1 and Version 2 Enabling VTP Pruning To enable VTP pruning, perform this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on this task in privileged mode: Step 1 Step 2 Step 3 Step 4 Step... the particular device: Console> (enable) set vtp mode server Changing VTP mode for pruning on trunk 16/1 1-1005,1025-4094 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-11
Software Guide
Page 190
...VTP version 1 and VTP version 2 are as follows: • A VTP version 3 server can be partitioned. These features are specific to modify and store the VTP domain configuration in VTP version 3 is that is not trusted and is not supposed to interact with...protocols. Understanding How VTP Version 3 Works Chapter 9 Configuring VTP • If a password is possible for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The password does not appear in plain text in the configuration. - VTP Version 3...
...VTP version 1 and VTP version 2 are as follows: • A VTP version 3 server can be partitioned. These features are specific to modify and store the VTP domain configuration in VTP version 3 is that is not trusted and is not supposed to interact with...protocols. Understanding How VTP Version 3 Works Chapter 9 Configuring VTP • If a password is possible for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The password does not appear in plain text in the configuration. - VTP Version 3...
Software Guide
Page 192
...Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies in the domain configuration that has been divided into four partitions for one instance may be partitioned while another might not be resolved by VTP. If a new switch is specific..., desired configuration. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Reconfiguring a Partitioned VTP Domain Partitioning of a misconfigured switch. This behavior of VTP...
...Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies in the domain configuration that has been divided into four partitions for one instance may be partitioned while another might not be resolved by VTP. If a new switch is specific..., desired configuration. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Reconfiguring a Partitioned VTP Domain Partitioning of a misconfigured switch. This behavior of VTP...
Software Guide
Page 193
... takeover message is a critical operation due to the following : • Some switches may be one primary server controlling the entire VTP domain for the domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 If you have a hidden password configured,...from server X to reduce this risk). To reconfigure this specific instance. For more information on takeovers, see the "Configuring a VTP Version 3 Takeover" section on other primary servers in the VTP domain. All switches in Figure 9-5) as the new primary server for this ...
... takeover message is a critical operation due to the following : • Some switches may be one primary server controlling the entire VTP domain for the domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 If you have a hidden password configured,...from server X to reduce this risk). To reconfigure this specific instance. For more information on takeovers, see the "Configuring a VTP Version 3 Takeover" section on other primary servers in the VTP domain. All switches in Figure 9-5) as the new primary server for this ...
Software Guide
Page 195
...ensure persistence of configuration (referred to the feature. Note In software release 8.1(1), the only supported database propagation is used by the switch are allowed to an instance. A VTP domain can initiate or change in the domain resign to secondary server mode to VLAN...page 9-21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 In VTP off mode in VTP version 3 is similar to the previous VTP versions and is not specific to configure locally the features that there is specific to be modified. You ...
...ensure persistence of configuration (referred to the feature. Note In software release 8.1(1), the only supported database propagation is used by the switch are allowed to an instance. A VTP domain can initiate or change in the domain resign to secondary server mode to VLAN...page 9-21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 In VTP off mode in VTP version 3 is similar to the previous VTP versions and is not specific to configure locally the features that there is specific to be modified. You ...
Software Guide
Page 205
... | devices | domain | statistics} command to show port vtp This example shows how to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 y Console> (enable) show port vtp 3 Port VTP Status 3/1 disabled 3/2 disabled 3/3 enabled 3/4 enabled...requests. Use the set port vtp mod/port {enable | disable} command to enable or disable all trunks. When a port is specific to the VTP domain, and use the statistics keyword to nontrusted hosts. To disable VTP on a per-port basis, perform this task...
... | devices | domain | statistics} command to show port vtp This example shows how to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 y Console> (enable) show port vtp 3 Port VTP Status 3/1 disabled 3/2 disabled 3/3 enabled 3/4 enabled...requests. Use the set port vtp mod/port {enable | disable} command to enable or disable all trunks. When a port is specific to the VTP domain, and use the statistics keyword to nontrusted hosts. To disable VTP on a per-port basis, perform this task...