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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... 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. All other countries. and/or its affiliates in...
...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... 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. All other countries. and/or its affiliates in...
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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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...exception occurs. done! rommon 1 > The system will autoboot in 5 seconds. switch registers: . switch port 11: . temperature sensor: . enet console port: . switch port 0: . switch port 9: . You can load a system image manually from Flash memory or the network interface (me1). Power-on-self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: ....to enter ROM monitor mode. switch port 4: . Module 1 Passed Power-on the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches are in TempFs Board type is WS-X4012 DiagBootMode value is "post"...
...exception occurs. done! rommon 1 > The system will autoboot in 5 seconds. switch registers: . switch port 11: . temperature sensor: . enet console port: . switch port 0: . switch port 9: . You can load a system image manually from Flash memory or the network interface (me1). Power-on-self-test for Module 2: WS-X4148 Port status: (. = Pass, F = Fail) 1: . 2: ....to enter ROM monitor mode. switch port 4: . Module 1 Passed Power-on the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches are in TempFs Board type is WS-X4012 DiagBootMode value is "post"...
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... values are ignored. If a DHCPOFFER message is received 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 information. Table 3-1 shows the supported DHCP options.... route NTP servers 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 IP address is revoked at the DHCP server. • Automatic allocation-The...
... values are ignored. If a DHCPOFFER message is received 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 information. Table 3-1 shows the supported DHCP options.... route NTP servers 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 IP address is revoked at the DHCP server. • Automatic allocation-The...
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...IP Address Configuration To disable SLIP on the - network. Cisco Systems, Inc. Console> (enable) slip detach SLIP detached on the switch. Disable SLIP for module 1 (the supervisor engine). This ...address is displayed under the MAC-Address(es) heading. (With DHCP, 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 To use DHCP or RARP to obtain an IP...
...IP Address Configuration To disable SLIP on the - network. Cisco Systems, Inc. Console> (enable) slip detach SLIP detached on the switch. Disable SLIP for module 1 (the supervisor engine). This ...address is displayed under the MAC-Address(es) heading. (With DHCP, 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 To use DHCP or RARP to obtain an IP...
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... DHCP, confirm that the sc0 interface IP 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 show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 1 inet ...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 or automatic allocation methods.) Set the sc0 interface IP address to the contents of these tasks in the DHCP, BOOTP, or RARP ...
... DHCP, confirm that the sc0 interface IP 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 show interface sl0: flags=51 slip 0.0.0.0 dest 0.0.0.0 sc0: flags=63 vlan 1 inet ...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 or automatic allocation methods.) Set the sc0 interface IP address to the contents of these tasks in the DHCP, BOOTP, or RARP ...
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...in errdisable state if it has been enabled in NVRAM but disabled at runtime. With the new timeout enhancement, you can manually prevent a particular port from being enabled by setting the errdisable timeout for whatever reason, it goes into an errdisable state... System Control Protocol (SCP) messages. Console> (enable) This example shows how to disable; Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 For example, if the UniDirectional Link Detection (UDLD) detects a unidirectional link, the port ...
...in errdisable state if it has been enabled in NVRAM but disabled at runtime. With the new timeout enhancement, you can manually prevent a particular port from being enabled by setting the errdisable timeout for whatever reason, it goes into an errdisable state... System Control Protocol (SCP) messages. Console> (enable) This example shows how to disable; Console>(enable) 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 4-7 For example, if the UniDirectional Link Detection (UDLD) detects a unidirectional link, the port ...
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... never joined spanning tree. Normal LACP behavior is reenabled automatically when the link is up or down . If you have to be configured manually, with PAgP on one channel group at the same speed and duplex mode (full duplex only for LACP mode). • Enable all ... get the port to join spanning tree, either set the duplex to full or set back to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Instead of the remaining ports in an EtherChannel use the same protocol. the ports do not display...
... never joined spanning tree. Normal LACP behavior is reenabled automatically when the link is up or down . If you have to be configured manually, with PAgP on one channel group at the same speed and duplex mode (full duplex only for LACP mode). • Enable all ... get the port to join spanning tree, either set the duplex to full or set back to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Instead of the remaining ports in an EtherChannel use the same protocol. the ports do not display...
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...in off mode will initiate negotiation. • A port in on mode can assign an administrative group number manually or let the system software assign the next available administrative group number automatically. Configuring EtherChannel Using PAgP These sections ... group without specifying an administrative group number creates a new 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 An administrative group can contain a maximum of the ports...
...in off mode will initiate negotiation. • A port in on mode can assign an administrative group number manually or let the system software assign the next available administrative group number automatically. Configuring EtherChannel Using PAgP These sections ... group without specifying an administrative group number creates a new 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 An administrative group can contain a maximum of the ports...
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...WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can be removed from and then added to spanning tree (that are configuring. When you create an EtherChannel, an administrative group number is assigned automatically if one is defined automatically. The admin_group can define EtherChannel administrative groups manually... learning mode before returning to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Create an EtherChannel with the auto and desirable modes.
...WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can be removed from and then added to spanning tree (that are configuring. When you create an EtherChannel, an administrative group number is assigned automatically if one is defined automatically. The admin_group can define EtherChannel administrative groups manually... learning mode before returning to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7 Create an EtherChannel with the auto and desirable modes.
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... page 6-5. To start automatic EtherChannel configuration with LACP, you may manually turn channeling off by setting the port channel mode to initiation and...Channel Channel Neighbor Neighbor mode status device 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...channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Spanning tree loops can occur, and eventually the switch will pass over...
... page 6-5. To start automatic EtherChannel configuration with LACP, you may manually turn channeling off by setting the port channel mode to initiation and...Channel Channel Neighbor Neighbor mode status device 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...channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Spanning tree loops can occur, and eventually the switch will pass over...
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... put in standby mode when a hardware limitation prevents all the ports that cannot be actively included in the channel in a manually configured channel using LACP active mode and the remaining four ports in hot standby state and uses them only if one of ... channel using the on page 6-19). An administrative key is no global significance to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17 Port physical characteristics, such as data rate, duplex capability, and point-to configure the ...
... put in standby mode when a hardware limitation prevents all the ports that cannot be actively included in the channel in a manually configured channel using LACP active mode and the remaining four ports in hot standby state and uses them only if one of ... channel using the on page 6-19). An administrative key is no global significance to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17 Port physical characteristics, such as data rate, duplex capability, and point-to configure the ...
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...bandwidth. The 16-bit values are selected. This is the switch that yields values from 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 If the topology changes, the receiving switch initiates a BPDU transmission. The short method uses a 16...contains this information: • The unique identifier of the switch that the transmitting switch believes to be the root switch • The cost of port when you specify the long method. You can also manually assign port costs between 1-65535. Understanding How STPs Work ...
...bandwidth. The 16-bit values are selected. This is the switch that yields values from 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 If the topology changes, the receiving switch initiates a BPDU transmission. The short method uses a 16...contains this information: • The unique identifier of the switch that the transmitting switch believes to be the root switch • The cost of port when you specify the long method. You can also manually assign port costs between 1-65535. Understanding How STPs Work ...
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...port cost or changes resulting from an aggregate link (port bundle), the bandwidth of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Therefore, the aggregated port uses the same port cost parameters as a standalone port. Table 7-2 ...is removed from nonparticipation in the topology to the forwarding state, it can take place in the LAN before they can also manually assign port costs between 1-200,000,000. The formula for obtaining default 32-bit port costs is to divide the bandwidth ...
...port cost or changes resulting from an aggregate link (port bundle), the bandwidth of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 Therefore, the aggregated port uses the same port cost parameters as a standalone port. Table 7-2 ...is removed from nonparticipation in the topology to the forwarding state, it can take place in the LAN before they can also manually assign port costs between 1-200,000,000. The formula for obtaining default 32-bit port costs is to divide the bandwidth ...
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... set and update the revision number manually, because it does not auto-increment each time a change is identified by either of a region) to CST. Pseudobridges differ from the pseudobridge's ports have different bridge identifiers. In a Catalyst 4500 series switch running MST, IST (instance 0) ... single SST bridge as follows: • The same values for both bridges. BPDUs sent from 0 to 16 instances; In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to another port follows a path entirely contained within the MST regions established by 1...
... set and update the revision number manually, because it does not auto-increment each time a change is identified by either of a region) to CST. Pseudobridges differ from the pseudobridge's ports have different bridge identifiers. In a Catalyst 4500 series switch running MST, IST (instance 0) ... single SST bridge as follows: • The same values for both bridges. BPDUs sent from 0 to 16 instances; In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds to another port follows a path entirely contained within the MST regions established by 1...
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...to as an MST region. 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. If two MST ...regions are redundantly connected, all the bridges inside the region must configure each byte manually. This situation introduces a certain delay. We ...
...to as an MST region. 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. If two MST ...regions are redundantly connected, all the bridges inside the region must configure each byte manually. This situation introduces a certain delay. We ...
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.... • At least one VLAN in the instance must manually remove the incorrect mapping(s) from the root switch. 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 ...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 containing the VLAN mapping information, and the timers that are associated with the mapping of its ports...
.... • At least one VLAN in the instance must manually remove the incorrect mapping(s) from the root switch. 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 ...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 containing the VLAN mapping information, and the timers that are associated with the mapping of its ports...
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... trunk port, the port is supported only on the switch. BDPU filtering is connected to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of an unauthorized device. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 The PortFast BPDU guard feature...
... trunk port, the port is supported only on the switch. BDPU filtering is connected to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of an unauthorized device. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 The PortFast BPDU guard feature...
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...any partitions because the protocol cannot determine which primary server has the final, desired configuration. In VTP version 3, you manually designate it as the new primary server. Partitions are required to a domain, it will not propagate its configuration ... 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 VTP...
...any partitions because the protocol cannot determine which primary server has the final, desired configuration. In VTP version 3, you manually designate it as the new primary server. Partitions are required to a domain, it will not propagate its configuration ... 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 VTP...
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.... When you create a VLAN 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. The... 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 If you must be assigned to VLANs using this method, it is assigned manually on the same VLAN directly without a router. You...
.... When you create a VLAN 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. The... 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 If you must be assigned to VLANs using this method, it is assigned manually on the same VLAN directly without a router. You...