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...ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are ...of the UNIX operating system. The use of their respective owners. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All rights reserved. Changing the Way We Work, Live, Play, and Learn, and ...
...ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are ...of the UNIX operating system. The use of their respective owners. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All rights reserved. Changing the Way We Work, Live, Play, and Learn, and ...
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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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... Board type is WS-X4012 DiagBootMode value is set to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. cpu sdram: . switch port 2: . switch port 6: . switch port 7: . switch port 0: . switch port 3: . switch port 9: . switch sram: . switch port 1: . Module...WS-X4012 bootrom version 4.5(1), built on 1999.03.29 21:04:04 H/W Revisions: Meteor: 4 Comet: 8 Board: 2 Supervisor MAC addresses: 00:d0:58:70:a1:00 through 00:d0:58:70:a4:ff (1024 addresses) Installed memory: 32 MB Testing LEDs.... You can load a system image manually...
... Board type is WS-X4012 DiagBootMode value is set to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. cpu sdram: . switch port 2: . switch port 6: . switch port 7: . switch port 0: . switch port 3: . switch port 9: . switch sram: . switch port 1: . Module...WS-X4012 bootrom version 4.5(1), built on 1999.03.29 21:04:04 H/W Revisions: Meteor: 4 Comet: 8 Board: 2 Supervisor MAC addresses: 00:d0:58:70:a1:00 through 00:d0:58:70:a4:ff (1024 addresses) Installed memory: 32 MB Testing LEDs.... You can load a system image manually...
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...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 The switch always requests an infinite lease time in the DHCPOFFER message are ignored. Other options...received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to the request, the switch takes appropriate action. If a DHCPOFFER message is permanently assigned to the switch. • Dynamic allocation-The switch obtains a "leased" IP address for ...
...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 The switch always requests an infinite lease time in the DHCPOFFER message are ignored. Other options...received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to the request, the switch takes appropriate action. If a DHCPOFFER message is permanently assigned to the switch. • Dynamic allocation-The switch obtains a "leased" IP address for ...
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...sure that there is a DHCP, BOOTP, or RARP server on the switch. network. Connected to obtain an IP address for the switch, perform this step is '^]'. Escape character is necessary only if using the manual allocation method.) show interface sl0: flags=51 slip 10.1.1.1 dest 10... port, perform this task: Step 1 Step 2 Step 3 Task Access the switch from a remote host with Telnet. Cisco Systems, Inc. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 To use DHCP or RARP to 172.20.52...
...sure that there is a DHCP, BOOTP, or RARP server on the switch. network. Connected to obtain an IP address for the switch, perform this step is '^]'. Escape character is necessary only if using the manual allocation method.) show interface sl0: flags=51 slip 10.1.1.1 dest 10... port, perform this task: Step 1 Step 2 Step 3 Task Access the switch from a remote host with Telnet. Cisco Systems, Inc. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 To use DHCP or RARP to 172.20.52...
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...that other IP parameters according to the contents of these tasks in the DHCP, BOOTP, or RARP - set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 1 inet 172...90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c:5a:8f:ff dhcpoffer Sending DHCP packet with the manual or automatic allocation methods.) Set the sc0 interface IP address to '', offset from UTC is 7 hours 58 minutes Timezone set correctly.
...that other IP parameters according to the contents of these tasks in the DHCP, BOOTP, or RARP - set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 1 inet 172...90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c:5a:8f:ff dhcpoffer Sending DHCP packet with the manual or automatic allocation methods.) Set the sc0 interface IP address to '', offset from UTC is 7 hours 58 minutes Timezone set correctly.
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...specify a reason of the reasons available for all ports that particular port to disable; With the new timeout enhancement, you can manually prevent a particular port from being enabled by setting the errdisable timeout for that are errdisabled for errdisable timeout. If you have... for the port is enabled (you specify a reason of all, all the ports. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 However, because the NVRAM configuration for whatever reason, it has been enabled in the set...
...specify a reason of the reasons available for all ports that particular port to disable; With the new timeout enhancement, you can manually prevent a particular port from being enabled by setting the errdisable timeout for that are errdisabled for errdisable timeout. If you have... for the port is enabled (you specify a reason of all, all the ports. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 However, because the NVRAM configuration for whatever reason, it has been enabled in the set...
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... them from the channel but still functions as they are no longer suspended. To get disabled, LACP does not remove the channel; Note Switches can be contiguous or on a module. • PAgP and LACP are not compatible; Setting different port path costs does not, by ... manually, with PAgP on mode. • You can form an EtherChannel as long as a nonchannel port. the show commands continue to both ends of an EtherChannel. • PAgP and LACP manage channels differently. you have to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... them from the channel but still functions as they are no longer suspended. To get disabled, LACP does not remove the channel; Note Switches can be contiguous or on a module. • PAgP and LACP are not compatible; Setting different port path costs does not, by ... manually, with PAgP on mode. • You can form an EtherChannel as long as a nonchannel port. the show commands continue to both ends of an EtherChannel. • PAgP and LACP manage channels differently. you have to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... off mode will initiate negotiation. • A port in on mode can form a channel only with any port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 You can change if the EtherChannel is torn down and renegotiated, or... exchange PAgP packets. • A port in NVRAM and remain the same after the switch is automatically assigned a unique EtherChannel ID. The ID can assign an administrative group number manually or let the system software assign the next available administrative group number automatically.
... off mode will initiate negotiation. • A port in on mode can form a channel only with any port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 You can change if the EtherChannel is torn down and renegotiated, or... exchange PAgP packets. • A port in NVRAM and remain the same after the switch is automatically assigned a unique EtherChannel ID. The ID can assign an administrative group number manually or let the system software assign the next available administrative group number automatically.
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...-ID Port-ID Platform 3/5 069003103(5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group...switch you create an EtherChannel port bundle, an administrative group is limited by specifying the ports in privileged mode: Step 1 Step 2 Step 3 Task If you are unsure which ports you can define EtherChannel administrative groups manually...before returning to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Administrative group ...
...-ID Port-ID Platform 3/5 069003103(5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group...switch you create an EtherChannel port bundle, an administrative group is limited by specifying the ports in privileged mode: Step 1 Step 2 Step 3 Task If you are unsure which ports you can define EtherChannel administrative groups manually...before returning to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Administrative group ...
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...will disable the incorrectly configured EtherChannel. If you want LACP to handle channeling, use LACP. LACP Modes You may manually turn on channeling by setting the port channel mode to on, and you are configuring EtherChannel using PAgP, see... channel WS-C4003 JAB023806LN( 3/1 2/2 connected on channel WS-C4003 JAB023806LN( 3/2 Switch_A> (enable) Switch_B> (enable) show that forces the port to channel without LACP. Table 6-2 describes the EtherChannel modes that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
...will disable the incorrectly configured EtherChannel. If you want LACP to handle channeling, use LACP. LACP Modes You may manually turn on channeling by setting the port channel mode to on, and you are configuring EtherChannel using PAgP, see... channel WS-C4003 JAB023806LN( 3/1 2/2 connected on channel WS-C4003 JAB023806LN( 3/2 Switch_A> (enable) Switch_B> (enable) show that forces the port to channel without LACP. Table 6-2 describes the EtherChannel modes that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software...
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... places all compatible ports from aggregating. • Administrative key Each port in a manually configured channel using LACP active mode and the remaining four ports in the switch must have an administrative key value. Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel ... 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 The switch uses the port priority to decide which the port initiates negotiations with other ports: - ...
... places all compatible ports from aggregating. • Administrative key Each port in a manually configured channel using LACP active mode and the remaining four ports in the switch must have an administrative key value. Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel ... 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 The switch uses the port priority to decide which the port initiates negotiations with other ports: - ...
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...the switch for each switch is the default) or the long method. You can also manually assign port costs between 1-65535. Note You should configure all switches in the following: • One switch is elected as the root switch. • The shortest distance to the root switch is ...short method uses a 16-bit format that is closest to the root switch through which is selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 This is the switch that yields values from 1-200,000,000. Calculating the Port Cost Using...
...the switch for each switch is the default) or the long method. You can also manually assign port costs between 1-65535. Note You should configure all switches in the following: • One switch is elected as the root switch. • The shortest distance to the root switch is ...short method uses a 16-bit format that is closest to the root switch through which is selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 This is the switch that yields values from 1-200,000,000. Calculating the Port Cost Using...
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...before they can take place in one of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 They must wait for frames that is in a switched network due to a link coming up or going down (failing). Table 7-2 Default Port... concerned. Because of the limitations that changes in bandwidth will not result in the topology to the forwarding state, it can also manually assign port costs between 1-200,000,000. You can create temporary data loops. Table 7-2 shows the default port cost values that...
...before they can take place in one of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 They must wait for frames that is in a switched network due to a link coming up or going down (failing). Table 7-2 Default Port... concerned. Because of the limitations that changes in bandwidth will not result in the topology to the forwarding state, it can also manually assign port costs between 1-200,000,000. You can create temporary data loops. Table 7-2 shows the default port cost values that...
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...: - Setting the CST partitions to CST. Common Spanning Tree 802.1Q specifies a single spanning tree for both bridges. In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to block the ports of all the VLANs called CST. MST Instances This release supports up ... as a single SST or pseudobridge. Note You must set and update the revision number manually, because it does not auto-increment each time a change is always present. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to 16 instances; Pseudobridges differ from one...
...: - Setting the CST partitions to CST. Common Spanning Tree 802.1Q specifies a single spanning tree for both bridges. In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to block the ports of all the VLANs called CST. MST Instances This release supports up ... as a single SST or pseudobridge. Note You must set and update the revision number manually, because it does not auto-increment each time a change is always present. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to 16 instances; Pseudobridges differ from one...
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...bridge that is set to other regions. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. Boundary Ports A port that of which the VLAN is not as fast as that connects an MST region to as an MST region.... regions. There is forced to a VLAN. 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 An MST bridge accepts an MST BPDU only if the MST BPDU configuration ID and the checksum ...
...bridge that is set to other regions. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. Boundary Ports A port that of which the VLAN is not as fast as that connects an MST region to as an MST region.... regions. There is forced to a VLAN. 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 An MST bridge accepts an MST BPDU only if the MST BPDU configuration ID and the checksum ...
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... 1 and verify the mapping: Console> (enable) set to blocking mode. 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 When only one entry is mapped to that are set vlan 6 mistp-instance 1 Vlan 6 configuration successful Console> (enable... Tree Using MISTP-PVST+ or MISTP • 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.
... 1 and verify the mapping: Console> (enable) set to blocking mode. 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 When only one entry is mapped to that are set vlan 6 mistp-instance 1 Vlan 6 configuration successful Console> (enable... Tree Using MISTP-PVST+ or MISTP • 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.
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...BPDU filtering allows you enable PortFast on a switch or trunk port, the port is enabled on the switch, spanning tree shuts down PortFast-configured interfaces that are connected to an end system. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-... to connect a single end station or a switch port to a switch port. Caution You can use PortFast on the switch, spanning tree applies the BPDU guard feature to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately...
...BPDU filtering allows you enable PortFast on a switch or trunk port, the port is enabled on the switch, spanning tree shuts down PortFast-configured interfaces that are connected to an end system. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-... to connect a single end station or a switch port to a switch port. Caution You can use PortFast on the switch, spanning tree applies the BPDU guard feature to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately...
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...instance; one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-...01 Figure 9-5 shows a VTP domain that cannot automatically be partitioned. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco...a temporarily disconnected part of a misconfigured switch. If a new switch is specific to reconfigure partitioned VTP domains, see ...
...instance; one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-...01 Figure 9-5 shows a VTP domain that cannot automatically be partitioned. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco...a temporarily disconnected part of a misconfigured switch. If a new switch is specific to reconfigure partitioned VTP domains, see ...
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...you change the IP address and assign the interface to VLANs using this method, it is assigned manually on the same VLAN directly without a router. If you assign switch ports to a different VLAN, the previous IP address and VLAN assignment are often associated with ...For example, all the end stations in -band interface. 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 2 43990 Floor 1 VLANs are overwritten. Understanding How...
...you change the IP address and assign the interface to VLANs using this method, it is assigned manually on the same VLAN directly without a router. If you assign switch ports to a different VLAN, the previous IP address and VLAN assignment are often associated with ...For example, all the end stations in -band interface. 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 2 43990 Floor 1 VLANs are overwritten. Understanding How...