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...are the property 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. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL ... 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. and/or its affiliates in this document or Web...
...are the property 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. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL ... 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. and/or its affiliates in this document or Web...
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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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... the ROM monitor mode, you are similar. Note For complete descriptions of a Catalyst 4003 switch. Type control-C to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. switch registers: . switch port 0: . switch port 11: . Enter the ? WS-X4012 bootrom version 4.5(1), built on -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...
... the ROM monitor mode, you are similar. Note For complete descriptions of a Catalyst 4003 switch. Type control-C to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. switch registers: . switch port 0: . switch port 11: . Enter the ? WS-X4012 bootrom version 4.5(1), built on -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...
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...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... specified period of this period, and the switch surrenders the address. The IP address is 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 DHCP or Bootstrap...
...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... specified period of this period, and the switch surrenders the address. The IP address is 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 DHCP or Bootstrap...
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...enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Obtain the last address in the MAC address range for the switch, perform this task: Step 1...RARP to obtain an IP address for module 1 (the supervisor engine). Cisco Systems, Inc. This address is displayed under the MAC-Address(es) heading. (With DHCP, ...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 step is necessary only if using the manual...
...enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Obtain the last address in the MAC address range for the switch, perform this task: Step 1...RARP to obtain an IP address for module 1 (the supervisor engine). Cisco Systems, Inc. This address is displayed under the MAC-Address(es) heading. (With DHCP, ...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 step is necessary only if using the manual...
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.... 172.16.32.32 added to '', offset from DHCP Server 172.20.25.254 Console> (enable) show ip route This example shows the switch broadcasting a DHCP request, receiving a DHCP offer, and configuring the IP address and other options (such as backup server. show interface sl0: flags...with the manual or automatic allocation methods.) Set the sc0 interface IP address to the contents of these tasks in privileged mode: Task Renew the lease on the in the DHCP, BOOTP, or RARP - set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...
.... 172.16.32.32 added to '', offset from DHCP Server 172.20.25.254 Console> (enable) show ip route This example shows the switch broadcasting a DHCP request, receiving a DHCP offer, and configuring the IP address and other options (such as backup server. show interface sl0: flags...with the manual or automatic allocation methods.) Set the sc0 interface IP address to the contents of these tasks in privileged mode: Task Renew the lease on the in the DHCP, BOOTP, or RARP - set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...
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...in NVRAM but disabled at runtime. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 With the new timeout enhancement, ...you specify a reason of the reasons available for the set port errdisable-timeout 3/3 disable Successfully disabled errdisable-timeout for all ports that particular port to disable; At every t seconds, where t is maintained for port 3/3. You can manually...
...in NVRAM but disabled at runtime. Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 With the new timeout enhancement, ...you specify a reason of the reasons available for the set port errdisable-timeout 3/3 disable Successfully disabled errdisable-timeout for all ports that particular port to disable; At every t seconds, where t is maintained for port 3/3. You can manually...
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To determine if a channel is in an EtherChannel use the show commands continue 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 set back... syslog message is transferred to one of the remaining ports in the on the same module. • Ensure that you have to be configured manually, with LACP, use the same protocol; the ports do not display the channel. the show spantree command. The port is shown as "connected...
To determine if a channel is in an EtherChannel use the show commands continue 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 set back... syslog message is transferred to one of the remaining ports in the on the same module. • Ensure that you have to be configured manually, with LACP, use the same protocol; the ports do not display the channel. the show spantree command. The port is shown as "connected...
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...group numbers are not saved in on mode can change if the EtherChannel is torn down and renegotiated, or if the switch is reset or power cycled. Configuring EtherChannel Using PAgP These sections describe how to configure an EtherChannel bundle using PAgP: ...automatically numbered administrative group consisting of eight ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 In addition to the same administrative group can assign an administrative group number manually or let the system software assign the next ...
...group numbers are not saved in on mode can change if the EtherChannel is torn down and renegotiated, or if the switch is reset or power cycled. Configuring EtherChannel Using PAgP These sections describe how to configure an EtherChannel bundle using PAgP: ...automatically numbered administrative group consisting of eight ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 In addition to the same administrative group can assign an administrative group number manually or let the system software assign the next ...
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... assigned to admin group 57. The admin_group can define EtherChannel administrative groups manually to identify groups of ports that is assigned. The silent and non-...the EtherChannel capabilities for the module or switch you 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... 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 be ...
... assigned to admin group 57. The admin_group can define EtherChannel administrative groups manually to identify groups of ports that is assigned. The silent and non-...the EtherChannel capabilities for the module or switch you 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... 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 be ...
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... turn channeling off by setting the port channel mode to on channel WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) Understanding the LACP Use the information in these sections if you may manually turn on channeling by setting the port channel mode to off Description Mode... sending of the link on page 6-5. Table 6-2 describes the EtherChannel modes 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 handle channeling, use LACP. If you are ...
... turn channeling off by setting the port channel mode to on channel WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) Understanding the LACP Use the information in these sections if you may manually turn on channeling by setting the port channel mode to off Description Mode... sending of the link on page 6-5. Table 6-2 describes the EtherChannel modes 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 handle channeling, use LACP. If you are ...
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... eight ports to the same administrative key, you establish When enabled, LACP always tries to configure the maximum number of the switch that places a port into a passive negotiating state in a manually configured channel using the on page 6-19). You can specify the system priority automatically or through the CLI (see the "... ports in a channel using LACP active mode and the remaining four ports in which the port responds to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17
... eight ports to the same administrative key, you establish When enabled, LACP always tries to configure the maximum number of the switch that places a port into a passive negotiating state in a manually configured channel using the on page 6-19). You can specify the system priority automatically or through the CLI (see the "... ports in a channel using LACP active mode and the remaining four ports in which the port responds to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17
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... Mode" section on which frames will be the root switch • The cost of the switch ports, you use the same method for each switch is selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 The...field. You can also manually assign port costs between 1-65535. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding BPDUs BPDUs contain configuration information about the transmitting switch and its ports, including switch and port MAC addresses, switch priority, port priority,...
... Mode" section on which frames will be the root switch • The cost of the switch ports, you use the same method for each switch is selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 The...field. You can also manually assign port costs between 1-65535. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding BPDUs BPDUs contain configuration information about the transmitting switch and its ports, including switch and port MAC addresses, switch priority, port priority,...
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Understanding Spanning Tree Port States Topology changes can also manually assign port costs between 1-200,000,000. Because of the limitations that are added or removed from nonparticipation in bandwidth lead to... port. Ports must also allow the frame lifetime to expire for new topology information to propagate through the switches 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 Chapter 7 Configuring Spanning Tree Understanding How STPs Work Table 7-1 Default Port...
Understanding Spanning Tree Port States Topology changes can also manually assign port costs between 1-200,000,000. Because of the limitations that are added or removed from nonparticipation in bandwidth lead to... port. Ports must also allow the frame lifetime to expire for new topology information to propagate through the switches 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 Chapter 7 Configuring Spanning Tree Understanding How STPs Work Table 7-1 Default Port...
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...number manually, because it does not auto-increment each hop, the difference in the message age is always present. Pseudobridges operate as a single SST or pseudobridge. Common Spanning Tree 802.1Q specifies a single spanning tree for both bridges. In a Catalyst 4500 series switch ...region appears 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 Understanding How MST Works Chapter 7 Configuring Spanning Tree To the spanning...
...number manually, because it does not auto-increment each hop, the difference in the message age is always present. Pseudobridges operate as a single SST or pseudobridge. Common Spanning Tree 802.1Q specifies a single spanning tree for both bridges. In a Catalyst 4500 series switch ...region appears 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 Understanding How MST Works Chapter 7 Configuring Spanning Tree To the spanning...
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... single connection with a different configuration. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. We do not matter; The first byte that corresponds to VLAN 0 and the 4096th byte that corresponds to VLAN 4095 are referred to... as fast 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 If you discard the existing edit buffer and acquire a new edit buffer by a LAN....
... single connection with a different configuration. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. We do not matter; The first byte that corresponds to VLAN 0 and the 4096th byte that corresponds to VLAN 4095 are referred to... as fast 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 If you discard the existing edit buffer and acquire a new edit buffer by a LAN....
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...than one MISTP instance. 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 Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or MISTP ...8226; 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...
...than one MISTP instance. 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 Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or MISTP ...8226; 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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... on ports that is enabled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 Caution You can use PortFast on switch or trunk ports connected to a single workstation, switch, or server to allow those ports. When the switch powers up, or when a ... allows you might create network loops. If you enable PortFast on a switch or trunk port, the port is to enable it applies to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of whether ...
... on ports that is enabled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 Caution You can use PortFast on switch or trunk ports connected to a single workstation, switch, or server to allow those ports. When the switch powers up, or when a ... allows you might create network loops. If you enable PortFast on a switch or trunk port, the port is to enable it applies to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of whether ...
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...one specific VTP 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 9 Configuring ... to the instance; Figure 9-5 shows a VTP domain that cannot automatically be partitioned. In VTP version 3, you manually designate it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of a...
...one specific VTP 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 9 Configuring ... to the instance; Figure 9-5 shows a VTP domain that cannot automatically be partitioned. In VTP version 3, you manually designate it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of a...
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...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. If you assign switch ports to VLANs using this method, it is assigned manually ...• 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 You can set the following parameters when you create a VLAN in -...
...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. If you assign switch ports to VLANs using this method, it is assigned manually ...• 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 You can set the following parameters when you create a VLAN in -...