Reference Guide

show spantree
show spantree
<blocking> | <enable> | <forwarding> | <off> | <vlan>
Description
View the global RSTP and PVST+ 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
vlan
View the spanning tree instance for the VLAN.
Example
(host) # show spantree
Spanning tree instance vlan 10
Designated Root MAC 00:0b:86:f0:20:00
Designated Root Priority 32768
This bridge is the root
Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec
Bridge MAC 00:0b:86:f0:20:00
Bridge Priority 32768
Configured Max Age 20 sec Hello Time 2 sec Forward Delay 15
Interface Role State Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
eth1/3 Root Forwarding 2 128.131 P2p Peer
eth1/1 Designated Forwarding 2 128.129 Edge P2p
Rapid Spanning Tree port configuration
--------------------------------------
Port State Cost Prio PortFast P-to-P Role
---- ----- ---- ---- -------- ------ ----
FE 1/3 Discarding 0 128 Disable Enable Disabled
FE 1/1 Forwarding 4 128 Disable Enable Designated
Spanning tree instance vlan 20
Designated Root MAC 00:0b:86:f0:20:20
Designated Root Priority 32768
Root Cost 11
Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec
Bridge MAC 00:0b:86:f0:20:30
Bridge Priority 32768
Configured Max Age 20 sec Hello Time 2 sec Forward Delay 15
Rapid Spanning Tree port configuration
Dell PowerConnect W-Series ArubaOS 6.2 | Reference Guide show spantree | 1271