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...SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. 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 ...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...
...SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. 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 ...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...
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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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... fatal exception occurs. Power-on -self-test for Module 1: WS-X4012 Status: (. = Pass, F = Fail) processor: . nvram: . switch port 0: . switch port 3: . switch port 5: . switch port 6: . switch bandwidth: . switch port 4: . Chapter 2 Using the Command-Line Interface ROM ... 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 You can load a system image manually from Flash memory or the network interface (me1). Once you can enter ROM monitor mode by pressing Ctrl-C within...
... fatal exception occurs. Power-on -self-test for Module 1: WS-X4012 Status: (. = Pass, F = Fail) processor: . nvram: . switch port 0: . switch port 3: . switch port 5: . switch port 6: . switch bandwidth: . switch port 4: . Chapter 2 Using the Command-Line Interface ROM ... 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 You can load a system image manually from Flash memory or the network interface (me1). Once you can enter ROM monitor mode by pressing Ctrl-C within...
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... 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 switch broadcasts a DHCPDISCOVER message 1 to the sc0 interface IP address, the switch can obtain an IP address and other information. Similarly...for obtaining an IP address from a DCHP server, the switch processes all of time. If a DHCPOFFER message is received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to broadcast requests on the sc0 interface. ...
... 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 switch broadcasts a DHCPDISCOVER message 1 to the sc0 interface IP address, the switch can obtain an IP address and other information. Similarly...for obtaining an IP address from a DCHP server, the switch processes all of time. If a DHCPOFFER message is received from the DHCP server: • Manual allocation-The network administrator maps the switch MAC address to broadcast requests on the sc0 interface. ...
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...ip_addr} enable slip detach This example shows how to configure SLIP on Console port. Cisco Systems, Inc. network. Obtain the last address in the MAC address range for the ...console port. Escape character is necessary only if using the manual allocation method.) show interface sl0: flags=51 slip 10.1.1.1 dest 10.1.1.2 ...attach Console Port now running SLIP. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Console Enter password: Console> enable Enter password: Console...
...ip_addr} enable slip detach This example shows how to configure SLIP on Console port. Cisco Systems, Inc. network. Obtain the last address in the MAC address range for the ...console port. Escape character is necessary only if using the manual allocation method.) show interface sl0: flags=51 slip 10.1.1.1 dest 10.1.1.2 ...attach Console Port now running SLIP. Console> (enable) show module 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 3-9 Console Enter password: Console> enable Enter password: Console...
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...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...3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The switch broadcasts DHCP and RARP requests only when the switch boots up. server configuration, mapping the MAC address of the switch to the IP configuration information for each switch in ...
...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...3-10 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The switch broadcasts DHCP and RARP requests only when the switch boots up. server configuration, mapping the MAC address of the switch to the IP configuration information for each switch in ...
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... reason of other than those ports that are errdisabled for any ports are enabled for the port is enabled (you can manually prevent a particular port from being enabled by any of the reasons available for all the ports. This feature is 30 to... errdisable timeout. By default, all ports that have the errdisable timeout 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 The default interval for bpdu-guard. At every t seconds, where t is the user-...
... reason of other than those ports that are errdisabled for any ports are enabled for the port is enabled (you can manually prevent a particular port from being enabled by any of the reasons available for all the ports. This feature is 30 to... errdisable timeout. By default, all ports that have the errdisable timeout 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 The default interval for bpdu-guard. At every t seconds, where t is the user-...
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... at the same speed and duplex mode (full duplex only for that all its traffic is suppressed. If you have to be configured manually, with different port path costs, set back to see if the link is treated as a nonchannel port. The port is physically connected...8226; You can form an EtherChannel as long as "not connected" using the show port command to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Setting different port path costs does not, by the set the channel mode to one of eight...
... at the same speed and duplex mode (full duplex only for that all its traffic is suppressed. If you have to be configured manually, with different port path costs, set back to see if the link is treated as a nonchannel port. The port is physically connected...8226; You can form an EtherChannel as long as "not connected" using the show port command to full duplex. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-3 Setting different port path costs does not, by the set the channel mode to one of eight...
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...a port in on mode, because ports in auto mode, because neither port will not form a channel with any port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 In addition to configure an EtherChannel bundle using PAgP: • Creating an... group consisting of eight ports. Only ports belonging to the same administrative group can assign an administrative group number manually or let the system software assign the next available administrative group number automatically. Use the show channel group command to...
...a port in on mode, because ports in auto mode, because neither port will not form a channel with any port. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-6 78-15486-01 In addition to configure an EtherChannel bundle using PAgP: • Creating an... group consisting of eight ports. Only ports belonging to the same administrative group can assign an administrative group number manually or let the system software assign the next available administrative group number automatically. Use the show channel group command to...
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... Port(s) 3/5-6 channel mode set port channel 3/5-6 on 57 835 Port Device-ID Port-ID Platform 3/5 069003103(5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can configure as an EtherChannel, verify the EtherChannel capabilities for the ... Step 1 Step 2 Step 3 Task If you are unsure which ports you can define EtherChannel administrative groups manually to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7
... Port(s) 3/5-6 channel mode set port channel 3/5-6 on 57 835 Port Device-ID Port-ID Platform 3/5 069003103(5500) 3/5 WS-C4000 3/6 069003103(5500) 3/6 WS-C4000 Console> (enable) Defining an EtherChannel Administrative Group You can configure as an EtherChannel, verify the EtherChannel capabilities for the ... Step 1 Step 2 Step 3 Task If you are unsure which ports you can define EtherChannel administrative groups manually to forwarding mode). 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-7
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...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...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...occur, and eventually the switch will show that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release ...
...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...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...occur, and eventually the switch will show that prevents the port from channeling. 6-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release ...
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... the ports that you may configure four ports in a channel using LACP active mode and the remaining four ports in a manually configured channel using the on page 6-19). Configuration constraints that cannot be actively included in the channel in hot standby state ... ports from aggregating. • Administrative key Each port 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 The port priority and the port number form the port identifier. An administrative key is...
... the ports that you may configure four ports in a channel using LACP active mode and the remaining four ports in a manually configured channel using the on page 6-19). Configuration constraints that cannot be actively included in the channel in hot standby state ... ports from aggregating. • Administrative key Each port 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 The port priority and the port number form the port identifier. An administrative key is...
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...values from 1-200,000,000. You can also manually assign port costs between 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 BPDUs are assigned by the switch for each switch. • A designated switch is calculated for calculating port cost. Calculating and ... the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each type of the switch ports, you can calculate and assign lower path cost values (port costs) to calculate a BPDU. You can specify the ...
...values from 1-200,000,000. You can also manually assign port costs between 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 BPDUs are assigned by the switch for each switch. • A designated switch is calculated for calculating port cost. Calculating and ... the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each type of the switch ports, you can calculate and assign lower path cost values (port costs) to calculate a BPDU. You can specify the ...
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...port cost values to each port using a formula that is 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 Ports must also allow the frame lifetime to expire for frames that have been forwarded using STP...from links that autonegotiate their bandwidth could lead to the forwarding state, it can take place in the LAN before they can also manually assign port costs between 1-200,000,000. Changes to divide the bandwidth of little consequence to a link coming up or going ...
...port cost values to each port using a formula that is 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 Ports must also allow the frame lifetime to expire for frames that have been forwarded using STP...from links that autonegotiate their bandwidth could lead to the forwarding state, it can take place in the LAN before they can also manually assign port costs between 1-200,000,000. Changes to divide the bandwidth of little consequence to a link coming up or going ...
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...by an instance ID that increments each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to another port follows a path entirely ...protocol running in the SST region, an MST region appears as follows: - Note You must set and update the revision number manually, because it does not auto-increment each time a change is always present. Pseudobridges operate as follows: • Name-A 32...
...by an instance ID that increments each time you commit the MST configuration. 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 In a Catalyst 4500 series switch running MST, IST (instance 0) corresponds to another port follows a path entirely ...protocol running in the SST region, an MST region appears as follows: - Note You must set and update the revision number manually, because it does not auto-increment each time a change is always present. Pseudobridges operate as follows: • Name-A 32...
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...other regions. To form an MST region, bridges 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 This situation introduces a certain delay. their state is forced to be either an SST bridge or...MST bridge that connects to a VLAN. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. To prevent loops, all traffic flows on the LAN can use SNMP or the CLI to VLAN 4095 are referred to as that ...
...other regions. To form an MST region, bridges 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 This situation introduces a certain delay. their state is forced to be either an SST bridge or...MST bridge that connects to a VLAN. If two MST regions are redundantly connected, all the bridges inside the region must configure each byte manually. To prevent loops, all traffic flows on the LAN can use SNMP or the CLI to VLAN 4095 are referred to as that ...
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... of a VLAN to an 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 If two or more than one MISTP instance. Chapter 7 Configuring Spanning Tree Using ... 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. Command set vlan vlan mistp-instance instance show spantree mistp-instance [instance] [active] mod/port This example shows...
... of a VLAN to an 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 If two or more than one MISTP instance. Chapter 7 Configuring Spanning Tree Using ... 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. Command set vlan vlan mistp-instance instance show spantree mistp-instance [instance] [active] mod/port This example shows...
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...interface receives a BPDU, an invalid configuration exists, such as a switch, you enable PortFast on a port that is to enable it applies to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of ... BPDUs, instead of PortFast is connected to all PortFast-configured interfaces. Caution You can use PortFast on the switch. 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 ...
...interface receives a BPDU, an invalid configuration exists, such as a switch, you enable PortFast on a port that is to enable it applies to invalid configurations because the administrator must manually put the interface back in the forwarding state immediately, instead of ... BPDUs, instead of PortFast is connected to all PortFast-configured interfaces. Caution You can use PortFast on the switch. 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 ...
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... Domain" section on page 9-16. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 In VTP version 3, you manually designate it as the new primary server. Understanding How VTP Version 3 ...Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco ...
... Domain" section on page 9-16. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 In VTP version 3, you manually designate it as the new primary server. Understanding How VTP Version 3 ...Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco ...
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...be assigned to the in a particular IP subnet belong to another switch 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...switch ports to a different VLAN, the previous IP address and VLAN assignment are often associated with IP subnetworks. Port VLAN membership on the same VLAN directly without a router. When you change the IP address and assign the interface to VLANs using this method, it is assigned manually...
...be assigned to the in a particular IP subnet belong to another switch 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...switch ports to a different VLAN, the previous IP address and VLAN assignment are often associated with IP subnetworks. Port VLAN membership on the same VLAN directly without a router. When you change the IP address and assign the interface to VLANs using this method, it is assigned manually...