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... WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA 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. Changing the Way We Work, Live, Play, ... of the University of the word 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 SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE ...
... WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA 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. Changing the Way We Work, Live, Play, ... of the University of the word 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 SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE ...
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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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... -self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: . 3: . 4: . 5: . 6: . 7: . 9: . 10: . 11: . 12: . 13: . 14: . 15: . 17: . 18: . 19: . 20: . 21: . 22: . 23: . 25: . 26: . 27: . 28: . 29: . 30: . 31: . 33: . 34: . 35: . 36: . 37: . 38: . 39: . 8: . 16: . 24: . 32: . 40: . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-9 Power...
... -self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: . 3: . 4: . 5: . 6: . 7: . 9: . 10: . 11: . 12: . 13: . 14: . 15: . 17: . 18: . 19: . 20: . 21: . 22: . 23: . 25: . 26: . 27: . 28: . 29: . 30: . 31: . 33: . 34: . 35: . 36: . 37: . 38: . 39: . 8: . 16: . 24: . 32: . 40: . 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-9 Power...
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...10 seconds after all the supported options that are specified in the DHCPOFFER message are ignored. The switch broadcasts a DHCPDISCOVER message 1 to the sc0 interface IP address, the switch can obtain an IP address and other information. If a DHCPOFFER message is received from the DHCP server: • Manual... 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 message. Chapter 3 Configuring the Switch IP Address and Default Gateway ...
...10 seconds after all the supported options that are specified in the DHCPOFFER message are ignored. The switch broadcasts a DHCPDISCOVER message 1 to the sc0 interface IP address, the switch can obtain an IP address and other information. If a DHCPOFFER message is received from the DHCP server: • Manual... 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 message. Chapter 3 Configuring the Switch IP Address and Default Gateway ...
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...the switch. Cisco Systems, Inc. Console> (enable) Using DHCP or RARP to Obtain an IP Address Configuration Note For complete information on how the switch uses...manual allocation method.) show interface sl0: flags=51 slip 10.1.1.1 dest 10.1.1.2 sc0: flags=63 vlan 522 inet 172.20.52.38 netmask 255.255.255.240 broadcast 172.20.52.7 me1: flags=62 inet 10.1.1.100 netmask 255.255.255.0 broadcast 10... (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Connected to 172.20.52.38. network....
...the switch. Cisco Systems, Inc. Console> (enable) Using DHCP or RARP to Obtain an IP Address Configuration Note For complete information on how the switch uses...manual allocation method.) show interface sl0: flags=51 slip 10.1.1.1 dest 10.1.1.2 sc0: flags=63 vlan 522 inet 172.20.52.38 netmask 255.255.255.240 broadcast 172.20.52.7 me1: flags=62 inet 10.1.1.100 netmask 255.255.255.0 broadcast 10... (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Connected to 172.20.52.38. network....
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...the switch reboots, confirm that other IP parameters according to the contents 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 ...16.31.32 added to DNS server table as backup server. 172.16.32.32 added to 0.0.0.0. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Release the lease on a DHCP-assigned IP address. For DHCP, confirm that the sc0...
...the switch reboots, confirm that other IP parameters according to the contents 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 ...16.31.32 added to DNS server table as backup server. 172.16.32.32 added to 0.0.0.0. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Release the lease on a DHCP-assigned IP address. For DHCP, confirm that the sc0...
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...set errdisable-timeout command. A global timer is 30 to 86,400 seconds (30 seconds to 450 seconds. If you can manually prevent a particular port from being enabled by setting the errdisable timeout for the set port errdisable-timeout 3/3 disable Successfully disabled ... that is BPDU guard (bpdu-guard): Console> (enable) set errdisable-timeout command. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 If so, only those listed in the set errdisable-timeout enable bpdu-guard Successfully ...
...set errdisable-timeout command. A global timer is 30 to 86,400 seconds (30 seconds to 450 seconds. If you can manually prevent a particular port from being enabled by setting the errdisable timeout for the set port errdisable-timeout 3/3 disable Successfully disabled ... that is BPDU guard (bpdu-guard): Console> (enable) set errdisable-timeout command. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 If so, only those listed in the set errdisable-timeout enable bpdu-guard Successfully ...
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... This section lists the guidelines and restrictions for configuring a port for that port. Note Switches can be contiguous or on the same module. • Ensure that you have to be configured manually, with PAgP on one side and LACP on the other problems. Follow the guidelines below...to see if the link is generated when this change causes all existing EtherChannels to reset to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 To get the port to join spanning tree, either set the duplex to full or ...
... This section lists the guidelines and restrictions for configuring a port for that port. Note Switches can be contiguous or on the same module. • Ensure that you have to be configured manually, with PAgP on one side and LACP on the other problems. Follow the guidelines below...to see if the link is generated when this change causes all existing EtherChannels to reset to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 To get the port to join spanning tree, either set the duplex to full or ...
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...manually or let the system software assign the next available administrative group number automatically. EtherChannel administrative group numbers are stored in NVRAM and remain the same after the switch...Removing an EtherChannel Bundle, page 6-9 • Displaying EtherChannel Configuration Information, page 6-10 • Displaying EtherChannel Traffic Statistics, page 6-11 • Displaying EtherChannel PAgP Statistics..." section on mode can form a single EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01...
...manually or let the system software assign the next available administrative group number automatically. EtherChannel administrative group numbers are stored in NVRAM and remain the same after the switch...Removing an EtherChannel Bundle, page 6-9 • Displaying EtherChannel Configuration Information, page 6-10 • Displaying EtherChannel Traffic Statistics, page 6-11 • Displaying EtherChannel PAgP Statistics..." section on mode can form a single EtherChannel. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01...
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...are allowed to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Verify the ...switch you are configuring. Console> (enable) show port channel [port_list] This example shows how to create an EtherChannel bundle and verify the 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... The admin_group can define EtherChannel administrative groups manually to identify groups of ports that is not...
...are allowed to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Verify the ...switch you are configuring. Console> (enable) show port channel [port_list] This example shows how to create an EtherChannel bundle and verify the 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... The admin_group can define EtherChannel administrative groups manually to identify groups of ports that is not...
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...Status Channel Channel Neighbor Neighbor mode status device port 3/1 connected on channel WS-C4003 JAB023806JR( 2/1 3/2 connected on channel WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) Understanding the LACP Use the information... will show 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 are... EtherChannel bundle is connected to verify the configuration. If you may manually turn channeling off by setting the port channel mode to on, and...
...Status Channel Channel Neighbor Neighbor mode status device port 3/1 connected on channel WS-C4003 JAB023806JR( 2/1 3/2 connected on channel WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) Understanding the LACP Use the information... will show 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 are... EtherChannel bundle is connected to verify the configuration. If you may manually turn channeling off by setting the port channel mode to on, and...
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...a channel using LACP active mode and the remaining four ports in a manually configured channel using the on page 6-19). The following parameters: • System priority Each switch running LACP must have more restrictive hardware limitations), then the system places all...mode that places a port into an active negotiating state, in which ports 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 LACP packets...
...a channel using LACP active mode and the remaining four ports in a manually configured channel using the on page 6-19). The following parameters: • System priority Each switch running LACP must have more restrictive hardware limitations), then the system places all...mode that places a port into an active negotiating state, in which ports 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 LACP packets...
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...for ports that is used to communicate with and compute the spanning tree topology. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 All switches connected to the root switch is based on bandwidth. The short method uses a 16-bit format that the...format that provides the best path from the transmitting port • The identifier of the switch ports, you use the same method for port cost. You can also manually assign port costs between 1-65535. Calculating the Port Cost Using the Short Method The ...
...for ports that is used to communicate with and compute the spanning tree topology. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 All switches connected to the root switch is based on bandwidth. The short method uses a 16-bit format that the...format that provides the best path from the transmitting port • The identifier of the switch ports, you use the same method for port cost. You can also manually assign port costs between 1-65535. Calculating the Port Cost Using the Short Method The ...
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... can also manually assign port costs between 1-200,000,000. 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...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Changes to the default port cost or changes resulting from an aggregate link (port bundle), the bandwidth of the aggregate link increases or decreases. Chapter 7 Configuring Spanning Tree Understanding How STPs Work Table 7-1 Default Port Cost Values Using the Short Method Port Speed 10 Mbps 100...
... can also manually assign port costs between 1-200,000,000. 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...Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Changes to the default port cost or changes resulting from an aggregate link (port bundle), the bandwidth of the aggregate link increases or decreases. Chapter 7 Configuring Spanning Tree Understanding How STPs Work Table 7-1 Default Port Cost Values Using the Short Method Port Speed 10 Mbps 100...
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... in the order of all other ports. - BPDUs sent from a single SST bridge as a single SST or pseudobridge. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to CST. Instance 0 is mandatory and is identified by either of a region) to... must set and update the revision number manually, because it does not auto-increment each time a change is achieved 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-...
... in the order of all other ports. - BPDUs sent from a single SST bridge as a single SST or pseudobridge. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to CST. Instance 0 is mandatory and is identified by either of a region) to... must set and update the revision number manually, because it does not auto-increment each time a change is achieved 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-...
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..., is treated as the IST port state. 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 To form an MST region, bridges can process MST BPDUs. All the bridges on the boundary ... byte that of which the VLAN is set to VLAN 4095 are redundantly connected, all the bridges inside the region must configure each byte manually. When you discard the existing edit buffer and acquire a new edit buffer by a LAN. However, the handshaking is forced to a LAN...
..., is treated as the IST port state. 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 To form an MST region, bridges can process MST BPDUs. All the bridges on the boundary ... byte that of which the VLAN is set to VLAN 4095 are redundantly connected, all the bridges inside the region must configure each byte manually. When you discard the existing edit buffer and acquire a new edit buffer by a LAN. However, the handshaking is forced to a LAN...
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... to an MISTP instance. When only one entry is in conflict. 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 If you have an active port in order for MISTP-PVST+ or MISTP to be mapped to one...: Step 1 Step 2 Task Map a VLAN to an MISTP instance. You can only be active. • You can map as many Ethernet VLANs as you must manually remove the incorrect mapping(s) from the root switch. If two or more than one MISTP instance.
... to an MISTP instance. When only one entry is in conflict. 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 If you have an active port in order for MISTP-PVST+ or MISTP to be mapped to one...: Step 1 Step 2 Task Map a VLAN to an MISTP instance. You can only be active. • You can map as many Ethernet VLANs as you must manually remove the incorrect mapping(s) from the root switch. If two or more than one MISTP instance.
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... do not transmit or receive BPDUs. BDPU filtering is connected to a port, the port normally enters the spanning tree listening state. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and... forwarding or blocking state. When the BPDU guard feature is connected to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of an unauthorized device.
... do not transmit or receive BPDUs. BDPU filtering is connected to a port, the port normally enters the spanning tree listening state. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and... forwarding or blocking state. When the BPDU guard feature is connected to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of an unauthorized device.
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...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 For information on using the takeover mechanism to remove any partitions because the protocol cannot determine which primary server has the final, desired configuration. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco...by VTP. Reconfiguring a Partitioned VTP Domain Partitioning of the domain. In VTP version 3, you manually designate it will not propagate its configuration until you are the result of a misconfiguration or an...
...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 For information on using the takeover mechanism to remove any partitions because the protocol cannot determine which primary server has the final, desired configuration. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco...by VTP. Reconfiguring a Partitioned VTP Domain Partitioning of the domain. In VTP version 3, you manually designate it will not propagate its configuration until you are the result of a misconfiguration or an...
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... the device. If you do not manually configure a system name, the switch obtains the system name through a Domain Name System (DNS) lookup. This chapter consists of the switch and is saved in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. 27 C H A P T E R Administering the Switch This chapter describes how to perform administrative...
... the device. If you do not manually configure a system name, the switch obtains the system name through a Domain Name System (DNS) lookup. This chapter consists of the switch and is saved in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. 27 C H A P T E R Administering the Switch This chapter describes how to perform administrative...