Spanning Tree Commands 527
Syntax
show spanning-tree [ethernet
interface-number
| port-channel
port-channel-
number ] [
instance
instance-id]
show spanning-tree [detail] [active | blockedports] | [instance
instance-id]
show spanning-tree mst-configuration
•
detail
— Displays detailed information.
•
active
—
Displ
ays active ports only.
•
blockedports
— Displays blocked ports only.
•
mst-configuration
— Displays the MST configuration identifier.
•
interface-number
— A valid Ethernet port number.
•
port-channel-number
— A valid port-channel index.
•
instance -id
— ID of the spanning -tree instance.
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
This command has no user guidelines.
Examples
The following examples display spanning-tree information.
console#show spanning-tree
Spanning tree Disabled BPDU Flooding disabled Portfast
BPDU filtering Disabled
mode rstp
CST Regional Root: 80:00:00:FC:E3:90:00:5D
Regional Root Path Cost: 0
ROOT ID
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