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... PROVIDED "AS IS" WITH ALL FAULTS. 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 SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS...
... PROVIDED "AS IS" WITH ALL FAULTS. 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 SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS...
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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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You can load a system image manually from Flash memory or the network interface (me1). The display on -self-test for Module 1: WS-X4012 Status: (. = Pass, F = Fail) processor: . nvram: . switch port 4: . switch port 7: . 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 powered on...
You can load a system image manually from Flash memory or the network interface (me1). The display on -self-test for Module 1: WS-X4012 Status: (. = Pass, F = Fail) processor: . nvram: . switch port 4: . switch port 7: . 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 powered on...
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... end of this period, and the switch surrenders the address. The address is received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to the switch. • Dynamic allocation-The switch obtains a "leased" IP address for...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 ...
... end of this period, and the switch surrenders the address. The address is received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to the switch. • Dynamic allocation-The switch obtains a "leased" IP address for...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 ...
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...switch, perform this step is necessary only if using the manual...-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 console port. Chapter 3 Configuring the Switch IP Address and Default Gateway Using DHCP or RARP to Obtain an IP Address Configuration To disable SLIP on the switch.... Enter privileged mode on the console port, perform this task: Step 1 Step 2 Step 3 Task Access the switch... the switch uses ...
...switch, perform this step is necessary only if using the manual...-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 console port. Chapter 3 Configuring the Switch IP Address and Default Gateway Using DHCP or RARP to Obtain an IP Address Configuration To disable SLIP on the switch.... Enter privileged mode on the console port, perform this task: Step 1 Step 2 Step 3 Task Access the switch... the switch uses ...
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...manual or automatic allocation methods.) Set the sc0 interface IP address to '', offset from DHCP Server 172.20.25.254 Console> (enable) show interface address, subnet mask, and broadcast address are set to 0.0.0.0. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... the IP address and other options (such as backup server. Renewing and Releasing a DHCP-Assigned IP Address Chapter 3 Configuring the Switch IP Address and Default Gateway Step 3 Step 4 Step 5 Step 6 Step 7 Task Command Add an entry for IP address assignment...
...manual or automatic allocation methods.) Set the sc0 interface IP address to '', offset from DHCP Server 172.20.25.254 Console> (enable) show interface address, subnet mask, and broadcast address are set to 0.0.0.0. set interface sc0 dhcp release 3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... the IP address and other options (such as backup server. Renewing and Releasing a DHCP-Assigned IP Address Chapter 3 Configuring the Switch IP Address and Default Gateway Step 3 Step 4 Step 5 Step 6 Step 7 Task Command Add an entry for IP address assignment...
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...whatever reason, it has been enabled in the 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 For example, if the UniDirectional Link Detection (UDLD) detects a unidirectional ...link, the port shuts down at runtime by default. With the new timeout enhancement, you can manually prevent a ...
...whatever reason, it has been enabled in the 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 For example, if the UniDirectional Link Detection (UDLD) detects a unidirectional ...link, the port shuts down at runtime by default. With the new timeout enhancement, you can manually prevent a ...
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... 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 This discrepancy exists because the port is physically connected but still functions as "not connected" ... a Port This section lists the guidelines and restrictions for configuring a port for EtherChannel: • Ensure that you have to be configured manually, with PAgP on one channel group at any ) is shown as "connected" using the show port command to see if the link is...
... 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 This discrepancy exists because the port is physically connected but still functions as "not connected" ... a Port This section lists the guidelines and restrictions for configuring a port for EtherChannel: • Ensure that you have to be configured manually, with PAgP on one channel group at any ) is shown as "connected" using the show port command to see if the link is...
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...not saved in NVRAM and remain the same after the switch is reset or power cycled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 You can assign an administrative group number manually or let the system software assign the next available ...addition to display the EtherChannel ID. An administrative group can change if the EtherChannel is torn down and renegotiated, or if the switch is reset or power cycled. The ID can contain a maximum of the ports you configure the EtherChannel, see the "EtherChannel ...
...not saved in NVRAM and remain the same after the switch is reset or power cycled. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 You can assign an administrative group number manually or let the system software assign the next available ...addition to display the EtherChannel ID. An administrative group can change if the EtherChannel is torn down and renegotiated, or if the switch is reset or power cycled. The ID can contain a maximum of the ports you configure the EtherChannel, see the "EtherChannel ...
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...57 835 3/6 connected on Port(s) 3/5-6 are assigned to admin group 57. The admin_group can define EtherChannel administrative groups manually to identify groups of ports that is not already assigned to be any value between 1 and 1024, inclusive. ...5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can be removed from and then added to spanning tree (that are allowed to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
...57 835 3/6 connected on Port(s) 3/5-6 are assigned to admin group 57. The admin_group can define EtherChannel administrative groups manually to identify groups of ports that is not already assigned to be any value between 1 and 1024, inclusive. ...5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can be removed from and then added to spanning tree (that are allowed to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration...
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... LACP Mode on off Description Mode 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 configure only the ports ...WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) Understanding the LACP Use the information in these sections if you may manually turn channeling off . To start automatic EtherChannel configuration with LACP, you are using LACP. If you need to configure at least one side of LACP packets. Spanning tree loops can occur, and eventually the switch...
... LACP Mode on off Description Mode 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 configure only the ports ...WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) Understanding the LACP Use the information in these sections if you may manually turn channeling off . To start automatic EtherChannel configuration with LACP, you are using LACP. If you need to configure at least one side of LACP packets. Spanning tree loops can occur, and eventually the switch...
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... 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 aggregate all the ports that cannot be actively included ... The administrative key defines the ability of compatible ports in a channel, up to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17 If LACP is no global significance to the maximum allowed by sending LACP packets. ...
... 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 aggregate all the ports that cannot be actively included ... The administrative key defines the ability of compatible ports in a channel, up to administrative key values. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-17 If LACP is no global significance to the maximum allowed by sending LACP packets. ...
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...used to communicate with and compute the spanning tree topology. Note You should configure all switches in the frame to calculate the port cost. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 This is the port that is ...in the STP are only used to each switch is the switch that the transmitting switch believes to be the root switch • The cost of the transmitting port The switch sends configuration BPDUs to transmit data. You can also manually assign port costs between 1-65535. BPDUs are...
...used to communicate with and compute the spanning tree topology. Note You should configure all switches in the frame to calculate the port cost. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 This is the port that is ...in the STP are only used to each switch is the switch that the transmitting switch believes to be the root switch • The cost of the transmitting port The switch sends configuration BPDUs to transmit data. You can also manually assign port costs between 1-65535. BPDUs are...
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...not result in one of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 They must wait for new topology information to propagate through the switches in bandwidth lead to the recalculation of the port concerned. Chapter 7 ...-bit (long) default port cost values to each port using the old topology. These changes in the LAN before they 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...
...not result in one of these states: • Blocking 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-5 They must wait for new topology information to propagate through the switches in bandwidth lead to the recalculation of the port concerned. Chapter 7 ...-bit (long) default port cost values to each port using the old topology. These changes in the LAN before they 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...
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...neighboring SST regions because the root identifier and root cost are optional. In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to CST. Note You must set and update the revision number manually, because it does not auto-increment each hop, the difference in the message ...age is in the order of the following: - Setting the CST partitions to CST. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds...
...neighboring SST regions because the root identifier and root cost are optional. In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to CST. Note You must set and update the revision number manually, because it does not auto-increment each hop, the difference in the message ...age is in the order of the following: - Setting the CST partitions to CST. In a Catalyst -4500 series switch running PVST+, the VLAN 1 spanning tree corresponds...
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... buffer by a LAN. There is mapped. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. Boundary Ports A port that of which the VLAN is no limit on the boundary if it is a boundary port. A boundary port is... to 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 When you connect two MST regions with a different configuration. MST Region Interconnected bridges that...
... buffer by a LAN. There is mapped. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. Boundary Ports A port that of which the VLAN is no limit on the boundary if it is a boundary port. A boundary port is... to 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 When you connect two MST regions with a different configuration. MST Region Interconnected bridges that...
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...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 • 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...
...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 • 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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...immediately, instead of whether PortFast is transitioned to invalid configurations because the administrator must manually put the interface back in service. When you enable PortFast on the switch, spanning tree places ports in a network, the PortFast mode is immediately transitioned ... might create network loops. In a valid configuration, PortFast-configured interfaces do not transmit or receive BPDUs. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the BPDU guard feature is enabled on a port that...
...immediately, instead of whether PortFast is transitioned to invalid configurations because the administrator must manually put the interface back in service. When you enable PortFast on the switch, spanning tree places ports in a network, the PortFast mode is immediately transitioned ... might create network loops. In a valid configuration, PortFast-configured interfaces do not transmit or receive BPDUs. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-2 78-15486-01 When the BPDU guard feature is enabled on a port that...
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...3, you manually designate it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of a temporarily disconnected part of a misconfigured switch. For...Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies in the domain configuration that has been divided into four partitions for one instance may be partitioned while another might not be resolved by VTP. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...3, you manually designate it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of a temporarily disconnected part of a misconfigured switch. For...Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies in the domain configuration that has been divided into four partitions for one instance may be partitioned while another might not be resolved by VTP. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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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 in-band (sc0) interface of a switch can be assigned to any VLAN, so...method, it is assigned manually on the same VLAN directly without a router. For example, all the end stations in -band interface. Only one VLAN type to another, you can access another Note When translating from one VLAN type to another switch on a port-by-port...
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 in-band (sc0) interface of a switch can be assigned to any VLAN, so...method, it is assigned manually on the same VLAN directly without a router. For example, all the end stations in -band interface. Only one VLAN type to another, you can access another Note When translating from one VLAN type to another switch on a port-by-port...