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show spantree

show spantree

<blocking> | <enable> | <forwarding> | <off> | <vlan>

Description

View the global RSTPRapid Spanning Tree Protocol. RSTP provides significantly faster spanning tree convergence after a topology change, introducing new convergence behaviors and bridge port roles to do this. and PVST+Per-VLAN Spanning Tree+. PVST+ is an extension of the PVST standard that uses the 802.1Q trunking technology. topology.

Syntax

Parameter

Description

blocking

View the spanning tree ports in the Blocking state.

enable

View the spanning tree ports in the Enable state.

forwarding

View the spanning tree ports in the Forwarding state.

off

View the ports with spanning tree disabled

vlanVirtual Local Area Network. In computer networking, a single Layer 2 network may be partitioned to create multiple distinct broadcast domains, which are mutually isolated so that packets can only pass between them through one or more routers; such a domain is referred to as a Virtual Local Area Network, Virtual LAN, or VLAN.

View the spanning tree instance for the VLANVirtual Local Area Network. In computer networking, a single Layer 2 network may be partitioned to create multiple distinct broadcast domains, which are mutually isolated so that packets can only pass between them through one or more routers; such a domain is referred to as a Virtual Local Area Network, Virtual LAN, or VLAN..

Example

(host) # show spantree

 

Spanning tree instance vlan 1

Designated Root MAC 00:0b:86:6b:57:80

Designated Root Priority 32768

Root Cost 20000

Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec

 

Bridge MAC 00:1a:1e:00:89:b8

Bridge Priority 32768

Configured Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec

 

Rapid Spanning Tree port configuration

--------------------------------------

Port State Cost Prio PortFast BpduGuard P-to-P Role

---- ----- ---- ---- -------- --------- ------ ----

GE 0/0/0 Forwarding 20000 128 Disable Disable Enable Root

GE 0/0/1 Discarding 20000 128 Disable Disable Enable Disabled

GE 0/0/2 Discarding 2000 128 Disable Disable Enable Disabled

GE 0/0/3 Discarding 2000 128 Disable Disable Enable Disabled

GE 0/0/4 Discarding 2000 128 Disable Enable Enable Disabled

GE 0/0/5 Discarding 2000 128 Disable Disable Enable Disabled

Pc 0 Discarding 2000000 128 Disable Disable Enable Disabled

Pc 1 Discarding 2000000 128 Disable Disable Enable Disabled

Pc 2 Discarding 2000000 128 Disable Disable Enable Disabled

Pc 3 Discarding 2000000 128 Disable Disable Enable Disabled

Related Commands

Related Command

Description

ap system-profile

This command configures an AP system profile.

ap wired-port-profile

This command configures a wired port profile.

interface gigabitethernet

This command configures a GigabitEthernet interface.

interface port-channel

This command configures an EthernetEthernet is a network protocol for data transmission over LAN. port channel.

Command History

Release

Modification

ArubaOS 8.0.0.0

Command introduced.

Command Information

Platforms

Licensing

Command Mode

All platforms

Base operating system.

Available in Enable and Config modes on Mobility Master and managed devices.

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