Command Line Interface Guide
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radius-server host 507 radius-server key 508 radius-server retransmit 509 radius-server source-ip 509 radius-server timeout 510 retransmit 511 show radius-servers 512 show radius-servers statistics 514 source-ip 518 timeout 519 usage 520 25 Spanning Tree Commands 521 exit (mst 523 instance (mst 524 name (mst 525 revision (mst 526 show spanning-tree 526 show spanning-tree summary 539 spanning-tree 540 spanning-tree auto-portfast 541 spanning-tree bpdu flooding 542 Contents 17
radius-server host 507 radius-server key 508 radius-server retransmit 509 radius-server source-ip 509 radius-server timeout 510 retransmit 511 show radius-servers 512 show radius-servers statistics 514 source-ip 518 timeout 519 usage 520 25 Spanning Tree Commands 521 exit (mst 523 instance (mst 524 name (mst 525 revision (mst 526 show spanning-tree 526 show spanning-tree summary 539 spanning-tree 540 spanning-tree auto-portfast 541 spanning-tree bpdu flooding 542 Contents 17
Command Line Interface Guide
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... mst configuration 551 spanning-tree mst cost 552 spanning-tree mst port-priority 553 spanning-tree mst priority 554 spanning-tree portfast 555 spanning-tree portfast bpdufilter default 556 spanning-tree portfast default 556 spanning-tree port-priority 557 spanning-tree priority 558 spanning-tree tcnguard 559 spanning-tree transmit hold-count 559...
... mst configuration 551 spanning-tree mst cost 552 spanning-tree mst port-priority 553 spanning-tree mst priority 554 spanning-tree portfast 555 spanning-tree portfast bpdufilter default 556 spanning-tree portfast default 556 spanning-tree port-priority 557 spanning-tree priority 558 spanning-tree tcnguard 559 spanning-tree transmit hold-count 559...
Command Line Interface Guide
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timeout Sets the timeout value in seconds for R communication with RADIUS servers. GC spanning-tree auto-portfast Sets the port to an MST instance. PE show spanning-tree Displays spanning tree configuration. MC name (mst) Defines the MST configuration ... number. usage Specifies the usage type of each Mode abbreviation, see "Mode Types" on the specified interface. instance (mst) Maps VLANs to auto portfast mode. PE show radius-servers Displays the RADIUS server settings. Command Description Mode* radius-server timeout Sets the interval for which a switch waits for...
timeout Sets the timeout value in seconds for R communication with RADIUS servers. GC spanning-tree auto-portfast Sets the port to an MST instance. PE show spanning-tree Displays spanning tree configuration. MC name (mst) Defines the MST configuration ... number. usage Specifies the usage type of each Mode abbreviation, see "Mode Types" on the specified interface. instance (mst) Maps VLANs to auto portfast mode. PE show radius-servers Displays the RADIUS server settings. Command Description Mode* radius-server timeout Sets the interval for which a switch waits for...
Command Line Interface Guide
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...: *For the meaning of each Mode abbreviation, see "Mode Types" on spanningtree ports GC in portfast mode. spanning-tree pathcost method Configures the spanning tree default pathcost GC method spanning-tree portfast Enables PortFast mode. GC default spanning-tree port-priority Configures port priority. Switchport Voice Command Description Mode* switchport voice...Command Description Mode* spanning-tree mst priority Configures the switch priority for all the interfaces of GC/IC the switch. IC spanning-tree portfast bpdufilter default Discards BPDUs received on page 60.
...: *For the meaning of each Mode abbreviation, see "Mode Types" on spanningtree ports GC in portfast mode. spanning-tree pathcost method Configures the spanning tree default pathcost GC method spanning-tree portfast Enables PortFast mode. GC default spanning-tree port-priority Configures port priority. Switchport Voice Command Description Mode* switchport voice...Command Description Mode* spanning-tree mst priority Configures the switch priority for all the interfaces of GC/IC the switch. IC spanning-tree portfast bpdufilter default Discards BPDUs received on page 60.
Command Line Interface Guide
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...) • instance (mst) • name (mst) • revision (mst) • show spanning-tree • show spanning-tree summary • spanning-tree • spanning-tree auto-portfast • spanning-tree bpdu flooding • spanning-tree bpdu-protection • spanning-tree cost • spanning-tree disable • spanning-tree forward-time • spanning...-cost • spanning-tree mst configuration • spanning-tree mst cost • spanning-tree mst port-priority • spanning-tree mst priority • spanning-tree portfast Spanning Tree Commands 521
...) • instance (mst) • name (mst) • revision (mst) • show spanning-tree • show spanning-tree summary • spanning-tree • spanning-tree auto-portfast • spanning-tree bpdu flooding • spanning-tree bpdu-protection • spanning-tree cost • spanning-tree disable • spanning-tree forward-time • spanning...-cost • spanning-tree mst configuration • spanning-tree mst cost • spanning-tree mst port-priority • spanning-tree mst priority • spanning-tree portfast Spanning Tree Commands 521
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• spanning-tree portfast bpdufilter default • spanning-tree portfast default • spanning-tree port-priority • spanning-tree priority • spanning-tree tcnguard • spanning-tree transmit hold-count 522 Spanning Tree Commands
• spanning-tree portfast bpdufilter default • spanning-tree portfast default • spanning-tree port-priority • spanning-tree priority • spanning-tree tcnguard • spanning-tree transmit hold-count 522 Spanning Tree Commands
Command Line Interface Guide
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... | port-channel port-channelnumber ] [instance instance-id] show spanning-tree [detail] [active | blockedports] | [instance instance-id] show spanning-tree Spanning tree Disabled BPDU Flooding disabled Portfast BPDU filtering Disabled mode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Regional Root Path Cost: 0 ROOT ID Spanning Tree Commands...
... | port-channel port-channelnumber ] [instance instance-id] show spanning-tree [detail] [active | blockedports] | [instance instance-id] show spanning-tree Spanning tree Disabled BPDU Flooding disabled Portfast BPDU filtering Disabled mode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Regional Root Path Cost: 0 ROOT ID Spanning Tree Commands...
Command Line Interface Guide
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Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount 6 sec Interfaces Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g1 Enabled 128.1 No No 0 DIS Disb 1/g2 Enabled 128.2 No No 0 DIS Disb 1/g3 Enabled 128.3 No No 0 DIS Disb 1/g4 Enabled 128.4 No No 0 DIS Disb --More-- Address 80:00:00:FC:E3:90:00:5D This Switch is the Root. or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g5 Enabled 128.5 No No 0 DIS Disb 1/g6 Enabled 128.6 No No 0 DIS Disb 528 Spanning Tree Commands
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount 6 sec Interfaces Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g1 Enabled 128.1 No No 0 DIS Disb 1/g2 Enabled 128.2 No No 0 DIS Disb 1/g3 Enabled 128.3 No No 0 DIS Disb 1/g4 Enabled 128.4 No No 0 DIS Disb --More-- Address 80:00:00:FC:E3:90:00:5D This Switch is the Root. or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g5 Enabled 128.5 No No 0 DIS Disb 1/g6 Enabled 128.6 No No 0 DIS Disb 528 Spanning Tree Commands
Command Line Interface Guide
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Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g21 Enabled 128.21 No No 0 DIS Disb 1/g22 Enabled 128.22 No No 0 DIS Disb 1/g23 Enabled 128.23 No ...
Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g21 Enabled 128.21 No No 0 DIS Disb 1/g22 Enabled 128.22 No No 0 DIS Disb 1/g23 Enabled 128.23 No ...
Command Line Interface Guide
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ch6 No ch7 No Enabled 128.631 No Enabled 128.632 No 0 DIS Disb 0 DIS Disb --More-- or (q)uit console(config)# console#show spanning-tree Spanning tree Enabled BPDU Flooding disabled Portfast BPDU filtering Disabled m ode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Regional Root Path Cost: 0 ROOT ID Address 40:00:00:FC:E3:90:06:0F Path Cost 20000 Root Port 1/g1 Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount 6 sec Bridge ID Priority 32768 Address 80:00:00:FC:E3:90:00:5D Spanning Tree Commands 531
ch6 No ch7 No Enabled 128.631 No Enabled 128.632 No 0 DIS Disb 0 DIS Disb --More-- or (q)uit console(config)# console#show spanning-tree Spanning tree Enabled BPDU Flooding disabled Portfast BPDU filtering Disabled m ode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Regional Root Path Cost: 0 ROOT ID Address 40:00:00:FC:E3:90:06:0F Path Cost 20000 Root Port 1/g1 Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount 6 sec Bridge ID Priority 32768 Address 80:00:00:FC:E3:90:00:5D Spanning Tree Commands 531
Command Line Interface Guide
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or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g1 Enabled 128.1 No No 20000 FWD Root 1/g2 Enabled 128.2 No No 0 DIS Disb 1/g3 Enabled 128.3 No No 200000 DSC Desg 1/g4 Enabled 128.4 No No 20000 DSC Altn 1/g5 Enabled 128.5 No No 20000 DSC Altn 1/g6 Enabled 128.6 No No 0 DIS Disb 1/g7 Enabled 128.7 No No 0 DIS Disb 532 Spanning Tree Commands Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Interfaces Name State Prio.Nbr PortFast Restricted Cost Sts Role --More--
or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g1 Enabled 128.1 No No 20000 FWD Root 1/g2 Enabled 128.2 No No 0 DIS Disb 1/g3 Enabled 128.3 No No 200000 DSC Desg 1/g4 Enabled 128.4 No No 20000 DSC Altn 1/g5 Enabled 128.5 No No 20000 DSC Altn 1/g6 Enabled 128.6 No No 0 DIS Disb 1/g7 Enabled 128.7 No No 0 DIS Disb 532 Spanning Tree Commands Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Interfaces Name State Prio.Nbr PortFast Restricted Cost Sts Role --More--
Command Line Interface Guide
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or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g17 Enabled 128.17 No No 0 DIS Disb 1/g18 Enabled 128.18 No No 0 DIS Disb 1/g19 Enabled 128.19 No ...
or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 1/g17 Enabled 128.17 No No 0 DIS Disb 1/g18 Enabled 128.18 No No 0 DIS Disb 1/g19 Enabled 128.19 No ...
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1/g20 Enabled 128.20 No No 1/g21 Enabled 128.21 No No 1/g22 Enabled 128.22 No No 1/g23 Enabled 128.23 No No 1/g24 Enabled 128.24 No No 1/xg1 Enabled 128.25 No No 1/xg2 Enabled 128.26 No No 1/xg3 Enabled 128.27 No No 1/xg4 Enabled 128.28 No No ch1 No Enabled 128.626 No ch2 No Enabled 128.627 No ch3 No Enabled 128.628 No 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb --More-- or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 534 Spanning Tree Commands
1/g20 Enabled 128.20 No No 1/g21 Enabled 128.21 No No 1/g22 Enabled 128.22 No No 1/g23 Enabled 128.23 No No 1/g24 Enabled 128.24 No No 1/xg1 Enabled 128.25 No No 1/xg2 Enabled 128.26 No No 1/xg3 Enabled 128.27 No No 1/xg4 Enabled 128.28 No No ch1 No Enabled 128.626 No ch2 No Enabled 128.627 No ch3 No Enabled 128.628 No 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb 0 DIS Disb --More-- or (q)uit Name State Prio.Nbr PortFast Restricted Cost Sts Role 534 Spanning Tree Commands
Command Line Interface Guide
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or (q)uit console#show spanning-tree active Spanning tree Enabled (BPDU flooding : Disabled) Portfast BPDU filtering Disabl ed mode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Regional Root Path Cost: 0 ###### MST 0 Vlan Mapped: 1, 3001 ROOT ID Address 40:00:00:FC:E3:90:06:0F Path Cost 20000 Root Port 1/g1 Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address 80:00:00:FC:E3:90:00:5D Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Interfaces 536 Spanning Tree Commands ch19 Enabled 128.644 No No 0 DIS Disb --More--
or (q)uit console#show spanning-tree active Spanning tree Enabled (BPDU flooding : Disabled) Portfast BPDU filtering Disabl ed mode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Regional Root Path Cost: 0 ###### MST 0 Vlan Mapped: 1, 3001 ROOT ID Address 40:00:00:FC:E3:90:06:0F Path Cost 20000 Root Port 1/g1 Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address 80:00:00:FC:E3:90:00:5D Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Interfaces 536 Spanning Tree Commands ch19 Enabled 128.644 No No 0 DIS Disb --More--
Command Line Interface Guide
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or (q)uit Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role 1/g1 No Enabled 128.1 No 20000 FWD Root 1/g3 No Enabled 128.3 No 200000 FWD Desg 1/g4 No Enabled 128.4 No 20000 DSC Altn 1/g5 No Enabled 128.5 No 20000 DSC Altn console# console#show spanning-tree blockedports Spanning tree Enabled (BPDU flooding : Disabled) mode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Spanning Tree Commands 537 Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role --More--
or (q)uit Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role 1/g1 No Enabled 128.1 No 20000 FWD Root 1/g3 No Enabled 128.3 No 200000 FWD Desg 1/g4 No Enabled 128.4 No 20000 DSC Altn 1/g5 No Enabled 128.5 No 20000 DSC Altn console# console#show spanning-tree blockedports Spanning tree Enabled (BPDU flooding : Disabled) mode rstp CST Regional Root: 80:00:00:FC:E3:90:00:5D Spanning Tree Commands 537 Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role --More--
Command Line Interface Guide
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or (q)uit Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role 538 Spanning Tree Commands Regional Root Path Cost: 0 ###### MST 0 Vlan Mapped: 1, 3001 ROOT ID Address 40:00:00:FC:E3:90:06:0F Path Cost 20000 Root Port 1/g1 Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address 80:00:00:FC:E3:90:00:5D Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Interfaces Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role --More--
or (q)uit Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role 538 Spanning Tree Commands Regional Root Path Cost: 0 ###### MST 0 Vlan Mapped: 1, 3001 ROOT ID Address 40:00:00:FC:E3:90:06:0F Path Cost 20000 Root Port 1/g1 Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address 80:00:00:FC:E3:90:00:5D Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec Interfaces Name State Prio.Nbr PortFast RestrictedPort Cost Sts Role --More--
Command Line Interface Guide
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...disabled by default. Syntax spanning-tree auto-portfast no spanning-tree auto-portfast Default Configuration Auto portfast mode is enabled. console(config)#spanning-tree spanning-tree auto-portfast Use the spanning-tree auto-portfast command to set the port to become a portfast port if it does not see any... BPDUs for 3 seconds. This enables the port to auto portfast mode. Command Mode Interface Configuration (Ethernet, ...
...disabled by default. Syntax spanning-tree auto-portfast no spanning-tree auto-portfast Default Configuration Auto portfast mode is enabled. console(config)#spanning-tree spanning-tree auto-portfast Use the spanning-tree auto-portfast command to set the port to become a portfast port if it does not see any... BPDUs for 3 seconds. This enables the port to auto portfast mode. Command Mode Interface Configuration (Ethernet, ...
Command Line Interface Guide
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.... Use the "no" form of BPDUs received on ethernet interface 4/g1. console#config console(config)#interface ethernet 4/g1 console(config-if-4/g1)#spanning-tree auto-portfast spanning-tree bpdu flooding The spanning-tree bpdu flooding command allows flooding of the command to all other non-spanning-tree ports. Example console#spanning...
.... Use the "no" form of BPDUs received on ethernet interface 4/g1. console#config console(config)#interface ethernet 4/g1 console(config-if-4/g1)#spanning-tree auto-portfast spanning-tree bpdu flooding The spanning-tree bpdu flooding command allows flooding of the command to all other non-spanning-tree ports. Example console#spanning...
Command Line Interface Guide
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... loop could cause a data packet loop and disrupt switch and network operations. The command is to be used only with PortFast mode enabled is moved directly to the spanning tree forwarding state when linkup occurs without waiting for the timer to enable... An interface with interfaces connected to all ports. Syntax spanning-tree portfast no form of this command. Example The following example enables PortFast on 1/g5. To disable PortFast mode, use the no spanning-tree portfast Default Configuration PortFast mode is immediately put into the forwarding state upon linkup, without ...
... loop could cause a data packet loop and disrupt switch and network operations. The command is to be used only with PortFast mode enabled is moved directly to the spanning tree forwarding state when linkup occurs without waiting for the timer to enable... An interface with interfaces connected to all ports. Syntax spanning-tree portfast no form of this command. Example The following example enables PortFast on 1/g5. To disable PortFast mode, use the no spanning-tree portfast Default Configuration PortFast mode is immediately put into the forwarding state upon linkup, without ...
Command Line Interface Guide
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...of the command to disable discarding. spanning-tree portfast bpdufilter default The spanning-tree portfast bpdufilter default command discards BPDUs received on spanning-tree ports in portfast mode. Use the "no spanning-tree portfast bpdufilter default Default Configuration This feature is disabled ...tree portfast bpdufilter default spanning-tree portfast default Use the spanning-tree portfast default command to disable Portfast mode on all ports. Syntax spanning-tree portfast default no usage guidelines for this command to enable Portfast mode only on spanning-tree ports in portfast ...
...of the command to disable discarding. spanning-tree portfast bpdufilter default The spanning-tree portfast bpdufilter default command discards BPDUs received on spanning-tree ports in portfast mode. Use the "no spanning-tree portfast bpdufilter default Default Configuration This feature is disabled ...tree portfast bpdufilter default spanning-tree portfast default Use the spanning-tree portfast default command to disable Portfast mode on all ports. Syntax spanning-tree portfast default no usage guidelines for this command to enable Portfast mode only on spanning-tree ports in portfast ...