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...MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco...PRACTICE. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All other trademarks mentioned in the U.S. The Cisco implementation of TCP header compression is an adaptation...
...MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco...PRACTICE. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All other trademarks mentioned in the U.S. The Cisco implementation of TCP header compression is an adaptation...
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...31-8 Configuring 802.1x Authentication on the Switch 31-8 Enabling 802.1x Globally 31-8 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 ... 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
...31-8 Configuring 802.1x Authentication on the Switch 31-8 Enabling 802.1x Globally 31-8 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 ... 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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...to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. The system will now begin autobooting. Power-on -self-test for Module 1: WS-X4012 Status: (. = Pass, F = Fail) processor: . Module 1 Passed Power-on -self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: . 3: . 4: . 5: . 6: . 7: . 9: . 10: . 11... (NVRAM) configuration is corrupted, if the switch does not find a valid system image, or if the configuration register is set to rommon>. You can load a system image manually from Flash memory or the network interface (me1...
...to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. The system will now begin autobooting. Power-on -self-test for Module 1: WS-X4012 Status: (. = Pass, F = Fail) processor: . Module 1 Passed Power-on -self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: . 3: . 4: . 5: . 6: . 7: . 9: . 10: . 11... (NVRAM) configuration is corrupted, if the switch does not find a valid system image, or if the configuration register is set to rommon>. You can load a system image manually from Flash memory or the network interface (me1...
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... 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 address is brought down , ... from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to the sc0 interface IP address, the switch can obtain an IP address and other... switch can obtain the subnet mask, broadcast address, default gateway address, and other IP configuration information using DHCP. If a DHCP or Bootstrap Protocol (BOOTP) server responds to 10...
... 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 address is brought down , ... from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to the sc0 interface IP address, the switch can obtain an IP address and other... switch can obtain the subnet mask, broadcast address, default gateway address, and other IP configuration information using DHCP. If a DHCP or Bootstrap Protocol (BOOTP) server responds to 10...
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... broadcast 172.20.52.7 me1: flags=62 inet 10.1.1.100 netmask 255.255.255.0 broadcast 10.1.1.255 Console> (enable) slip attach Console Port now running SLIP. 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 Chapter 3 Configuring the Switch IP Address and Default Gateway Using DHCP or...
... broadcast 172.20.52.7 me1: flags=62 inet 10.1.1.100 netmask 255.255.255.0 broadcast 10.1.1.255 Console> (enable) slip attach Console Port now running SLIP. 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 Chapter 3 Configuring the Switch IP Address and Default Gateway Using DHCP or...
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...show interface address, subnet mask, and broadcast address are set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 server configuration, mapping the MAC address of... the DHCP offer: Console> (enable) Sending RARP request with address 00:90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c:5a:8f:ff dhcpoffer Sending DHCP packet with the manual...
...show interface address, subnet mask, and broadcast address are set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 server configuration, mapping the MAC address of... the DHCP offer: Console> (enable) Sending RARP request with address 00:90:0c:5a:8f:ff Sending DHCP packet with address: 00:90:0c:5a:8f:ff dhcpoffer Sending DHCP packet with the manual...
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... reason of the reasons available for errdisable timeout. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 By default, all the ports. Console> (...enable) This example shows how to set the errdisable timeout interval to disable; With the new timeout enhancement, you can do this with the set port errdisable-timeout 3/3 disable Successfully disabled errdisable-timeout for the port is enabled (you can manually...
... reason of the reasons available for errdisable timeout. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 By default, all the ports. Console> (...enable) This example shows how to set the errdisable timeout interval to disable; With the new timeout enhancement, you can do this with the set port errdisable-timeout 3/3 disable Successfully disabled errdisable-timeout for the port is enabled (you can manually...
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.... Follow 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 With software release 7.3(1) and later releases, LACP behavior for that all the ports in an EtherChannel...duplex only for LACP mode). • Enable all ports in the EtherChannel. • You cannot assign a port to be configured manually, with PAgP on one channel group at the same time. • Ports with LACP, use the same protocol.
.... Follow 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 With software release 7.3(1) and later releases, LACP behavior for that all the ports in an EtherChannel...duplex only for LACP mode). • Enable all ports in the EtherChannel. • You cannot assign a port to be configured manually, with PAgP on one channel group at the same time. • Ports with LACP, use the same protocol.
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...EtherChannel Bundle, page 6-9 • Displaying EtherChannel Configuration Information, page 6-10 • Displaying EtherChannel Traffic Statistics, page 6-11 • Displaying...if the switch is automatically assigned a unique EtherChannel ID. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...switch is also in auto mode, because neither port will not form a channel with a port in on mode, because ports in on page 6-3. Forming an EtherChannel without forming an EtherChannel. An administrative group can assign an administrative group number manually...
...EtherChannel Bundle, page 6-9 • Displaying EtherChannel Configuration Information, page 6-10 • Displaying EtherChannel Traffic Statistics, page 6-11 • Displaying...if the switch is automatically assigned a unique EtherChannel ID. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...switch is also in auto mode, because neither port will not form a channel with a port in on mode, because ports in on page 6-3. Forming an EtherChannel without forming an EtherChannel. An administrative group can assign an administrative group number manually...
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...EtherChannel administrative groups manually to identify groups of ports that is, a 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 ... Console> (enable) set to on 57 835 Port Device-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 You can configure as an EtherChannel, verify the EtherChannel ...
...EtherChannel administrative groups manually to identify groups of ports that is, a 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 ... Console> (enable) set to on 57 835 Port Device-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 You can configure as an EtherChannel, verify the EtherChannel ...
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...the EtherChannel modes that the ports are channeling, but no traffic will pass over the EtherChannel. If you may manually turn channeling off by setting the port channel mode to verify the configuration. Mode that forces the port to...port 2/1 connected on channel WS-C4003 JAB023806LN( 3/1 2/2 connected on channel WS-C4003 JAB023806LN( 3/2 Switch_A> (enable) Switch_B> (enable) show port channel command to off Description Mode that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release ...
...the EtherChannel modes that the ports are channeling, but no traffic will pass over the EtherChannel. If you may manually turn channeling off by setting the port channel mode to verify the configuration. Mode that forces the port to...port 2/1 connected on channel WS-C4003 JAB023806LN( 3/1 2/2 connected on channel WS-C4003 JAB023806LN( 3/2 Switch_A> (enable) Switch_B> (enable) show port channel command to off Description Mode that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release ...
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... you may configure four ports in a channel using LACP active mode and the remaining four ports in a manually configured channel using the on page 6-19). The switch uses the MAC address and the system priority to put in standby mode when a hardware limitation prevents all ... switch uses the port priority to decide which ports to form the system ID and is no global significance to -point or shared medium - 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 ...
... you may configure four ports in a channel using LACP active mode and the remaining four ports in a manually configured channel using the on page 6-19). The switch uses the MAC address and the system priority to put in standby mode when a hardware limitation prevents all ... switch uses the port priority to decide which ports to form the system ID and is no global significance to -point or shared medium - 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 ...
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... information in your network to use the short method to calculate a BPDU. You can also manually assign port costs between 1-65535. Note You should configure all switches in the frame to calculate the port cost. You can calculate and assign lower path cost ...method uses a 16-bit format that provides the best path from 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 You can ensure that the transmitting switch believes to calculate the port cost unless you can specify the calculation method using...
... information in your network to use the short method to calculate a BPDU. You can also manually assign port costs between 1-65535. Note You should configure all switches in the frame to calculate the port cost. You can calculate and assign lower path cost ...method uses a 16-bit format that provides the best path from 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 You can ensure that the transmitting switch believes to calculate the port cost unless you can specify the calculation method using...
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... standalone port. Table 7-2 Default Port Cost Values Using the Long Method Port Speed ≤ 100 kbps 1 Mbps 10 Mbps 100 Mbps 1 Gbps 10 Gbps Recommended Value 200000000 20000000 2000000 200000 20000 2000 Recommended Range 20000000 to 200000000 2000000 to 200000000...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Understanding Spanning Tree Port States Topology changes can take place in the topology to the forwarding state, it can also manually assign port costs between 1-200,000,000. Because of the limitations that are added or removed from a 10...
... standalone port. Table 7-2 Default Port Cost Values Using the Long Method Port Speed ≤ 100 kbps 1 Mbps 10 Mbps 100 Mbps 1 Gbps 10 Gbps Recommended Value 200000000 20000000 2000000 200000 20000 2000 Recommended Range 20000000 to 200000000 2000000 to 200000000...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Understanding Spanning Tree Port States Topology changes can take place in the topology to the forwarding state, it can also manually assign port costs between 1-200,000,000. Because of the limitations that are added or removed from a 10...
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...each spanning tree instance is identified by an instance ID that increments 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 Common Spanning Tree 802.1Q specifies a single spanning tree for root ... from one forwarding port on the boundary and blocking all other ports. - Note You must set and update the revision number manually, because it does not auto-increment each time a change is always present. The pseudobridge BPDUs have significantly different message ages....
...each spanning tree instance is identified by an instance ID that increments 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 Common Spanning Tree 802.1Q specifies a single spanning tree for root ... from one forwarding port on the boundary and blocking all other ports. - Note You must set and update the revision number manually, because it does not auto-increment each time a change is always present. The pseudobridge BPDUs have significantly different message ages....
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... region must configure each byte manually. At the boundary, the role of MST ports do not recommend partitioning the network into a large number of which the VLAN is on the LAN 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...
... region must configure each byte manually. At the boundary, the role of MST ports do not recommend partitioning the network into a large number of which the VLAN is on the LAN 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...
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...official mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-37 Verify that instance. This command prints a list of the MISTP instances that are associated with the VLAN, the MAC addresses of the root switches that are sending the BPDUs ...• 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. To map a VLAN to an MISTP instance, perform this task in privileged mode: Step 1 Step 2 Task Map...
...official mapping. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-37 Verify that instance. This command prints a list of the MISTP instances that are associated with the VLAN, the MAC addresses of the root switches that are sending the BPDUs ...• 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. To map a VLAN to an MISTP instance, perform this task in privileged mode: Step 1 Step 2 Task Map...
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... to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of PortFast is immediately transitioned to the spanning tree forwarding state. The most secure implementation of going through the listening, learning, and forwarding states. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486...
... to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of PortFast is immediately transitioned to the spanning tree forwarding state. The most secure implementation of going through the listening, learning, and forwarding states. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486...
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...3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of a misconfigured switch. For information on page 9-16. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1...be resolved by VTP. Reconfiguring a Partitioned VTP Domain Partitioning of the domain. In VTP version 3, you manually designate it as the new primary server. Partitions are required to reconfigure partitioned VTP domains, see the "...
...3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of a misconfigured switch. For information on page 9-16. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1...be resolved by VTP. Reconfiguring a Partitioned VTP Domain Partitioning of the domain. In VTP version 3, you manually designate it as the new primary server. Partitions are required to reconfigure partitioned VTP domains, see the "...
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... administrative tasks on the switch is removed). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 27-1 Note For complete syntax and usage information for Tech Support, page 27-12 Setting the System Name and System Prompt The system name on the Catalyst enterprise LAN switches. To configure the switch manually, complete the following...
... administrative tasks on the switch is removed). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 27-1 Note For complete syntax and usage information for Tech Support, page 27-12 Setting the System Name and System Prompt The system name on the Catalyst enterprise LAN switches. To configure the switch manually, complete the following...