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... the word partner does not imply a partnership relationship between Cisco and any other countries. All rights reserved. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT...
... the word partner does not imply a partnership relationship between Cisco and any other countries. All rights reserved. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT...
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...-8 Disabling 802.1x Globally 31-8 Enabling and Initializing 802.1x Authentication for Individual Ports 31-9 Setting and Enabling Automatic Reauthentication of the Host 31-10 Manually Reauthenticating the Host 31-10 Enabling Multiple Hosts 31-11 Disabling Multiple Hosts 31-11 Setting the Quiet Period 31-11 Setting the Authenticator-to...-14 Setting the Back-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
...-8 Disabling 802.1x Globally 31-8 Enabling and Initializing 802.1x Authentication for Individual Ports 31-9 Setting and Enabling Automatic Reauthentication of the Host 31-10 Manually Reauthenticating the Host 31-10 Enabling Multiple Hosts 31-11 Disabling Multiple Hosts 31-11 Setting the Quiet Period 31-11 Setting the Authenticator-to...-14 Setting the Back-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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... will autoboot in ROM monitor mode, the prompt changes to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Module 1 Passed Power-on -self-test for Module...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-9 nvram: . switch port 10: . You can load a system image manually from Flash memory or the network interface (me1). Enter the ? The display on the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches are in 5 seconds. switch registers: . switch port 0: . switch...
... will autoboot in ROM monitor mode, the prompt changes to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Module 1 Passed Power-on -self-test for Module...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-9 nvram: . switch port 10: . You can load a system image manually from Flash memory or the network interface (me1). Enter the ? The display on the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches are in 5 seconds. switch registers: . switch port 0: . switch...
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... for obtaining an IP address from a DCHP server, the switch processes all of time. If a DHCPOFFER message is received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to 10 seconds after all the supported options that...IP address lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Chapter 3 Configuring the Switch IP Address and Default Gateway Understanding How Automatic IP Configuration Works If both ...
... for obtaining an IP address from a DCHP server, the switch processes all of time. If a DHCPOFFER message is received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to 10 seconds after all the supported options that...IP address lease time Option overload Client-identifier TFTP server name 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-3 Chapter 3 Configuring the Switch IP Address and Default Gateway Understanding How Automatic IP Configuration Works If both ...
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....20.52.38 Trying 172.20.52.38 ... Cisco Systems, Inc. Chapter 3 Configuring the Switch IP Address and Default Gateway Using DHCP or RARP ...to Obtain an IP Address Configuration To disable SLIP on the console port, perform this task: Step 1 Step 2 Task Command Make sure that there is necessary only if using the manual...on the switch. Enter privileged mode on Console port. Escape character is '^]'. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
....20.52.38 Trying 172.20.52.38 ... Cisco Systems, Inc. Chapter 3 Configuring the Switch IP Address and Default Gateway Using DHCP or RARP ...to Obtain an IP Address Configuration To disable SLIP on the console port, perform this task: Step 1 Step 2 Task Command Make sure that there is necessary only if using the manual...on the switch. Enter privileged mode on Console port. Escape character is '^]'. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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...IP address assignment, you are set correctly. Command set interface sc0 dhcp renew set interface sc0 0.0.0.0 Reset the switch. reset system When the switch reboots, confirm that other IP parameters according to the contents of these tasks: • Renew-Renew the lease... manual or automatic allocation methods.) Set the sc0 interface IP address to 0.0.0.0. Release the lease on a DHCP-assigned IP address. The switch broadcasts DHCP and RARP requests only when the switch boots up. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...IP address assignment, you are set correctly. Command set interface sc0 dhcp renew set interface sc0 0.0.0.0 Reset the switch. reset system When the switch reboots, confirm that other IP parameters according to the contents of these tasks: • Renew-Renew the lease... manual or automatic allocation methods.) Set the sc0 interface IP address to 0.0.0.0. Release the lease on a DHCP-assigned IP address. The switch broadcasts DHCP and RARP requests only when the switch boots up. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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...If you can do this with the set port errdisable-timeout mod/port disable command. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 This feature is disabled by setting the errdisable timeout for that are reenabled when the... errdisable state due to prevent port 3/3 from being enabled when it goes into an errdisable state for errdisable timeout. You can manually prevent a particular port from being enabled by default. This example shows how to causes other than those ports that is specified...
...If you can do this with the set port errdisable-timeout mod/port disable command. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 This feature is disabled by setting the errdisable timeout for that are reenabled when the... errdisable state due to prevent port 3/3 from being enabled when it goes into an errdisable state for errdisable timeout. You can manually prevent a particular port from being enabled by default. This example shows how to causes other than those ports that is specified...
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... a port in an EtherChannel, it is actively sending and receiving traffic with LACP, use the show commands continue to be configured manually, with different port path costs, set back to both ends of the remaining ports in the EtherChannel. • You cannot assign... the guidelines below to avoid configuration problems. Note Except where noted, these guidelines apply to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 To determine if a channel is treated as "not connected" using the show commands do...
... a port in an EtherChannel, it is actively sending and receiving traffic with LACP, use the show commands continue to be configured manually, with different port path costs, set back to both ends of the remaining ports in the EtherChannel. • You cannot assign... the guidelines below to avoid configuration problems. Note Except where noted, these guidelines apply to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 To determine if a channel is treated as "not connected" using the show commands do...
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...automatically numbered administrative group consisting of eight ports. EtherChannel IDs are stored in NVRAM and remain the same after the switch is reset or power cycled. Only ports belonging to which the EtherChannel belongs. The ID can form a single EtherChannel... do not exchange PAgP packets. • A port in NVRAM. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 You can assign an administrative group number manually or let the system software assign the next available administrative group number ...
...automatically numbered administrative group consisting of eight ports. EtherChannel IDs are stored in NVRAM and remain the same after the switch is reset or power cycled. Only ports belonging to which the EtherChannel belongs. The ID can form a single EtherChannel... do not exchange PAgP packets. • A port in NVRAM. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 You can assign an administrative group number manually or let the system software assign the next available administrative group number ...
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...3/5 069003103(5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can define EtherChannel administrative groups manually to identify groups of ports that is limited by specifying the ports in privileged mode: Step 1 Step 2 Step 3 Task If you are unsure which... spanning tree topology change occurs and the ports must enter listening and learning mode before returning to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7
...3/5 069003103(5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can define EtherChannel administrative groups manually to identify groups of ports that is limited by specifying the ports in privileged mode: Step 1 Step 2 Step 3 Task If you are unsure which... spanning tree topology change occurs and the ports must enter listening and learning mode before returning to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7
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...of LACP packets. Mode that forces the port to channel without LACP. If you configure only the ports on , and you may manually turn channeling off by setting the port channel mode to on one end of the link to active mode to initiate channeling, because ports... may turn on channeling by setting the port channel mode to off Description Mode that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you want LACP to verify the configuration. Spanning tree loops can occur, ...
...of LACP packets. Mode that forces the port to channel without LACP. If you configure only the ports on , and you may manually turn channeling off by setting the port channel mode to on one end of the link to active mode to initiate channeling, because ports... may turn on channeling by setting the port channel mode to off Description Mode that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If you want LACP to verify the configuration. Spanning tree loops can occur, ...
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... active negotiating state, in which the port initiates negotiations with other systems. • Port priority Each port in a manually configured channel using the on page 6-19). If LACP is meaningful only in the context of the channeled ports fails.... priority. Port physical characteristics, such as data rate, duplex capability, and point-to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17 LACP Parameters LACP uses the following factors determine a port's ability to aggregate with ports...
... active negotiating state, in which the port initiates negotiations with other systems. • Port priority Each port in a manually configured channel using the on page 6-19). If LACP is meaningful only in the context of the channeled ports fails.... priority. Port physical characteristics, such as data rate, duplex capability, and point-to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17 LACP Parameters LACP uses the following factors determine a port's ability to aggregate with ports...
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... for calculating port cost. You can ensure that are selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 You can also manually assign port costs between 1-65535. The 16-bit values are not directly forwarded by the switch for each type of the path to the root from the...
... for calculating port cost. You can ensure that are selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 You can also manually assign port costs between 1-65535. The 16-bit values are not directly forwarded by the switch for each type of the path to the root from the...
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...7-2 shows the default port cost values that are assigned by the switch and the recommended cost values and ranges for the aggregated port. Understanding Spanning Tree Port States Topology changes can also manually assign port costs between 1-200,000,000. You can take place...that are added or removed from nonparticipation in changes to recalculation of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Ports must also allow the frame lifetime to expire for Aggregate Links As individual ...
...7-2 shows the default port cost values that are assigned by the switch and the recommended cost values and ranges for the aggregated port. Understanding Spanning Tree Port States Topology changes can also manually assign port costs between 1-200,000,000. You can take place...that are added or removed from nonparticipation in changes to recalculation of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Ports must also allow the frame lifetime to expire for Aggregate Links As individual ...
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...Configuration MST configuration has three parts as follows: • The same values for each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Setting the CST partitions to different VLANs may have significantly different message ages. Instance 0... on the boundary and blocking all the VLANs called CST. Note You must set and update the revision number manually, because it does not auto-increment each hop, the difference in the message age is made to the configuration.
...Configuration MST configuration has three parts as follows: • The same values for each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Setting the CST partitions to different VLANs may have significantly different message ages. Instance 0... on the boundary and blocking all the VLANs called CST. Note You must set and update the revision number manually, because it does not auto-increment each hop, the difference in the message age is made to the configuration.
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...the same state as between regions. You can take up any port role except a backup port role. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-19 Further configuration is impossible until you connect two MST regions with the MST regions in ... mst config rollback force command. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. A designated port knows that connects an MST region to an SST region running RSTP (802.1w), an SST region running STP...
...the same state as between regions. You can take up any port role except a backup port role. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-19 Further configuration is impossible until you connect two MST regions with the MST regions in ... mst config rollback force command. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. A designated port knows that connects an MST region to an SST region running RSTP (802.1w), an SST region running STP...
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... the same instance, the VLAN is mapped. The remaining entry on the list becomes the official mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-37 Command set vlan vlan mistp-instance instance show spantree conflicts command to determine to which...• You can only map Ethernet VLANs to MISTP instances. • At least one VLAN in the instance must manually remove the incorrect mapping(s) from the root switch. When only one entry is printed or when all of its ports are set vlan 6 mistp-instance 1 Vlan 6 ...
... the same instance, the VLAN is mapped. The remaining entry on the list becomes the official mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-37 Command set vlan vlan mistp-instance instance show spantree conflicts command to determine to which...• You can only map Ethernet VLANs to MISTP instances. • At least one VLAN in the instance must manually remove the incorrect mapping(s) from the root switch. When only one entry is printed or when all of its ports are set vlan 6 mistp-instance 1 Vlan 6 ...
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... all ports regardless of whether PortFast is immediately transitioned to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of an unauthorized device. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the Forward Delay timer expires, the port enters...
... all ports regardless of whether PortFast is immediately transitioned to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of an unauthorized device. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the Forward Delay timer expires, the port enters...
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...manually designate it as the new primary server. For information on page 9-16. Reconfiguring a Partitioned VTP Domain Partitioning of a VTP domain is added to remove any partitions because the protocol cannot determine which primary server has the final, desired configuration. If a new switch... instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter...
...manually designate it as the new primary server. For information on page 9-16. Reconfiguring a Partitioned VTP Domain Partitioning of a VTP domain is added to remove any partitions because the protocol cannot determine which primary server has the final, desired configuration. If a new switch... instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter...
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... this method, it is assigned manually on the same VLAN directly without a router. Port VLAN membership on the switch is known as Logically Defined Networks Cisco router Catalyst 4000 Engineering VLAN Marketing VLAN Fast Ethernet Catalyst 4000 Catalyst 4000 Accounting VLAN Floor 3 Floor...; VLAN state (active or suspended) • Maximum transmission unit (MTU) for each media type. 10-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How VLANs Work Chapter 10 Configuring VLANs Figure 10-1 VLANs ...
... this method, it is assigned manually on the same VLAN directly without a router. Port VLAN membership on the switch is known as Logically Defined Networks Cisco router Catalyst 4000 Engineering VLAN Marketing VLAN Fast Ethernet Catalyst 4000 Catalyst 4000 Accounting VLAN Floor 3 Floor...; VLAN state (active or suspended) • Maximum transmission unit (MTU) for each media type. 10-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How VLANs Work Chapter 10 Configuring VLANs Figure 10-1 VLANs ...