Cisco Catalyst 3550 Command Reference Manual page 387

Chapter 2 Cisco IOS Commands
This is an example of output from the show spanning-tree interface fastethernet 0/1 command:
Switch> show spanning-tree interface fastethernet0/1
Vlan
---------------- ---- --- --------- -------- --------------------------------
VLAN0001
This is an example of output from the show spanning-tree summary command:
Switch> show spanning-tree summary
Switch is in pvst mode
Root bridge for: none
EtherChannel misconfiguration guard is enabled
Extended system ID
Portfast
PortFast BPDU Guard
Portfast BPDU Filter is disabled by default
Loopguard
UplinkFast
BackboneFast
Pathcost method used is short
Name
---------------------- -------- --------- -------- ---------- ----------
VLAN0001
---------------------- -------- --------- -------- ---------- ----------
1 vlan
<output truncated>
This is an example of output from the show spanning-tree mst configuration command:
Switch# show spanning-tree mst configuration
Name
Revision
Instance
--------
0
1
-------------------------------------------------------------------------------
This is an example of output from the show spanning-tree mst interface fastethernet0/1 command:
Switch# show spanning-tree mst interface fastethernet0/1
FastEthernet0/1 of MST00 is designated forwarding
Edge port:no
Link type:point-to-point (auto)
Boundary :internal
Bpdus sent 84122, received 83933
Instance Role Sts Cost
-------- ---- --- --------- -------- -------------------------------
0
1
78-11195-09
Role Sts Cost
Root FWD 19
is enabled
is disabled by default
is disabled by default
is disabled by default
is disabled
is disabled
Blocking Listening Learning Forwarding STP Active
0
0
[region1]
1
Vlans mapped
---------------------------------------------------------------------
101-4094
1-100
(default)
Prio.Nbr Vlans mapped
Desg FWD 200000 128.1
Root FWD 200000 128.1
Prio.Nbr Type
128.1 P2p
0 0
0 0
port guard :none
bpdu filter:disable
bpdu guard :disable
101-4094
1-100
Catalyst 3550 Multilayer Switch Command Reference
show spanning-tree
1 1
1 1
(default)
(default)
(default)
2-361