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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... an MST instance. exit (mst) Exits the MST configuration mode and applies MC configuration changes. spanning tree Enables spanning-tree functionality. GC spanning-tree auto-portfast Sets the port to reply retransmit Specifies the number of times the software R searches the list of RADIUS server hosts before stopping the search. show... and parameters PE for the switch. Command Description Mode* radius-server timeout Sets the interval for which a switch waits for a GC server host to auto portfast mode.
... an MST instance. exit (mst) Exits the MST configuration mode and applies MC configuration changes. spanning tree Enables spanning-tree functionality. GC spanning-tree auto-portfast Sets the port to reply retransmit Specifies the number of times the software R searches the list of RADIUS server hosts before stopping the search. show... and parameters PE for the switch. Command Description Mode* radius-server timeout Sets the interval for which a switch waits for a GC server host to auto portfast mode.
Command Line Interface Guide
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...send within a hello time window (2 seconds). spanning-tree pathcost method Configures the spanning tree default pathcost GC method spanning-tree portfast Enables PortFast mode. NOTE: *For the meaning of each Mode abbreviation, see "Mode Types" on page 60. TACACS+ Command key ... Specifies the authentication and encryption key TC for the specified GC spanning tree instance. spanning-tree portfast Enables Portfast mode on spanningtree ports GC in portfast mode. IC spanning-tree priority Configures the spanning tree priority. Command Description Mode* spanning-tree mst...
...send within a hello time window (2 seconds). spanning-tree pathcost method Configures the spanning tree default pathcost GC method spanning-tree portfast Enables PortFast mode. NOTE: *For the meaning of each Mode abbreviation, see "Mode Types" on page 60. TACACS+ Command key ... Specifies the authentication and encryption key TC for the specified GC spanning tree instance. spanning-tree portfast Enables Portfast mode on spanningtree ports GC in portfast mode. IC spanning-tree priority Configures the spanning tree priority. Command Description Mode* spanning-tree mst...
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
Command Line Interface Guide
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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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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 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.
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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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 ch6 No ch7 No Enabled 128.631 No Enabled 128.632 No 0 DIS Disb 0 DIS Disb --More--
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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... 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 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...
... 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 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...
Command Line Interface Guide
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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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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-- 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
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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..., Port Channel) mode Spanning Tree Commands 541 Command Mode Global Configuration mode User Guidelines This command has no " form of this command to disable auto portfast mode. Use the "no user guidelines. Syntax spanning-tree no spanning-tree Default Configuration Spanning-tree is disabled by default. Example The following example enables...
..., Port Channel) mode Spanning Tree Commands 541 Command Mode Global Configuration mode User Guidelines This command has no " form of this command to disable auto portfast mode. Use the "no user guidelines. Syntax spanning-tree no spanning-tree Default Configuration Spanning-tree is disabled by default. Example The following example enables...
Command Line Interface Guide
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... Commands Usage Guidelines There are no usage guidelines for this command. 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. Command Mode Global...
... Commands Usage Guidelines There are no usage guidelines for this command. 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. Command Mode Global...
Command Line Interface Guide
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...moved directly to the spanning tree forwarding state when linkup occurs without waiting for the timer to end stations. Syntax spanning-tree portfast no form of this command. Otherwise, an accidental topology loop could cause a data packet loop and disrupt switch and network ...operations. console(config)#interface ethernet 1/g5 console(config-if-1/g5)#spanning-tree portfast Spanning Tree Commands 555 In PortFast mode, the interface is disabled. An interface with PortFast mode enabled is to be used only with interfaces connected to expire. Command Mode Interface...
...moved directly to the spanning tree forwarding state when linkup occurs without waiting for the timer to end stations. Syntax spanning-tree portfast no form of this command. Otherwise, an accidental topology loop could cause a data packet loop and disrupt switch and network ...operations. console(config)#interface ethernet 1/g5 console(config-if-1/g5)#spanning-tree portfast Spanning Tree Commands 555 In PortFast mode, the interface is disabled. An interface with PortFast mode enabled is to be used only with interfaces connected to expire. Command Mode Interface...
Command Line Interface Guide
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.... Use the "no usage guidelines for this command to disable Portfast mode on all ports. spanning-tree portfast bpdufilter default The spanning-tree portfast bpdufilter default command discards BPDUs received on spanning-tree ports in portfast mode. Syntax spanning-tree portfast default no spanning-tree portfast bpdufilter default Default Configuration This feature is disabled by default...
.... Use the "no usage guidelines for this command to disable Portfast mode on all ports. spanning-tree portfast bpdufilter default The spanning-tree portfast bpdufilter default command discards BPDUs received on spanning-tree ports in portfast mode. Syntax spanning-tree portfast default no spanning-tree portfast bpdufilter default Default Configuration This feature is disabled by default...