Cisco Catalyst 3550 Command Reference Manual page 501
Multilayer switch
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Also See for Catalyst 3550:
- Command reference manual (662 pages) ,
- Installation manual (154 pages) ,
- Hardware installation manual (106 pages)
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Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
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0
1
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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
This is an example of output from the show spanning-tree mst 0 command:
Switch# show spanning-tree mst 0
###### MST00
Bridge
Root
IST master
Operational hello time 2, forward delay 15, max age 20
Configured
Interface
---------------- ---- --- --------- -------- --------------------------------
Gi0/1
Gi0/2
Gi0/5
Related Commands
Command
clear spanning-tree counters
clear spanning-tree detected-protocols
spanning-tree backbonefast
spanning-tree bpdufilter
spanning-tree bpduguard
spanning-tree cost
spanning-tree extend system-id
spanning-tree guard
spanning-tree link-type
spanning-tree loopguard default
OL-8566-01
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101-4094
1-100
(default)
Prio.Nbr Vlans mapped
Desg FWD 200000
128.1
Root FWD 200000
128.1
vlans mapped:
address 0005.7428.1f40
address 0001.42e2.cdc6
port
Gi0/2
this switch
hello time 2, forward delay 15, max age 20, max hops 20
Role Sts Cost
Desg FWD 200000
Root FWD 200000
Desg FWD 200000
port guard :none
bpdu filter:disable
bpdu guard :disable
101-4094
1-100
101-4094
priority
32768 (32768 sysid 0)
priority
32768 (32768 sysid 0)
path cost 200038
Prio.Nbr Type
128.1
P2p
128.2
P2p Bound(PVST)
128.5
P2p
Description
Clears the spanning-tree counters.
Restarts the protocol migration process.
Enables the BackboneFast feature.
Prevents a port from sending or receiving bridge protocol
data units (BPDUs).
Puts a port in the error-disabled state when it receives a
BPDU.
Sets the path cost for spanning-tree calculations.
Enables the extended system ID feature.
Enables the root guard or the loop guard feature for all the
VLANs associated with the selected interface.
Overrides the default link-type setting for rapid
spanning-tree transitions to the forwarding state.
Prevents alternate or root ports from becoming the
designated port because of a failure that leads to a
unidirectional link.
Catalyst 3550 Multilayer Switch Command Reference
show spanning-tree
(default)
(default)
(default)
2-475
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