Concept Guide

1898| show spanning-tree Dell Networking W-Series ArubaOS 6.5.x| Reference Guide
Spanning Tree is executing the IEEE compatible Rapid Spanning Tree protocol
Bridge Identifier has priority 32768, address 00:0b:86:f0:20:00
Configured hello time 2, max age 20, forward delay 15
We are the root of the spanning tree
Topology change flag is not set, detected flag not set, changes 1
Times: hold 1, topology change 35 hello 2, max age 20, forward delay 15
Timers: hello 0, notification 0
Last topology change: 2 days, 0 hours, 31 mins, 21 secs
Example—show spanning-tree interface fastethernet
(host) (config-if)#show spanning-tree interface fastethernet 1/1
Interface FE 1/1 (port 2) in Spanning tree is FORWARDING
Port path cost 19, Port priority 128 Role DISNIGNATED
PortFast DISABLED P-to-P ENABLED
Designated root has priority 0 address 00:01:e8:d5:a3:6d
Designated bridge has priority 32768 address 00:0b:86:50:58:30
Designated port is 2, path cost 0
Timers: message age 0, forward delay 20, hold 0
Counts: BPDUs received 0, sent 0
Command History
Release Modification
ArubaOS 6.0 PVST+ added
ArubaOS 3.4 Upgraded STP to RSTP with full backward compatibility.
Command Information
Platform Licensing Command Mode
All platforms Base operating system Enable mode and Configuration mode
(config) on master controllers