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278 Spanning-Tree Commands
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Example
The following example restarts the protocol migration process (forces the renegotiation with
neighboring switches) on g1.
show spanning-tree
The
show
spanning-tree
Privileged EXEC mode command displays spanning-tree configuration.
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
— Display detailed information.
•
active
—
Display active ports only.
•
blockedports
— Display blocked ports only.
•
mst-configuration
— Display the MST configuration identifier.
•
interface-number
— Ethernet port number. (Range:Valid Ethernet port)
•
port-channel-number
— Port channel index. (Range:Valid Ethernet port)
•
instance-id
— ID associated with a spanning-tree instance.
Default Configuration
This command has no default configuration.
Command Modes
Privileged EXEC mode
User Guidelines
• There are no user guidelines for this command.
Examples
The following example displays spanning-tree information.
Console# clear spanning-tree detected-protocols ethernet g1