54. Spanning Tree Protocol (STP) commands
Parameters
<value 0-64>
(Optional) Specify the MSTP instance ID. Instance 0 represents the default instance: CIST.
This value must be between 0 and 64.
Restrictions
None.
Example
To display STP instances:
Zxxx0:admin#show stp instance
Command: show stp instance
STP Instance Settings
---------------------------
Instance Type
Instance Status
Instance Priority
STP Instance Operational Status
--------------------------------
Designated Root Bridge : 32768/00-22-22-22-22-00
External Root Cost
Regional Root Bridge
Internal Root Cost
Designated Bridge
Root Port
Max Age
Forward Delay
Last Topology Change
Topology Changes Count : 0
Zxxx0:admin#
54.3. show stp ports
Description
This command is used to display the Switching Hub's current per-port STP configuration:
STP port configuration, STP port role (Disabled, Alternate, Backup, Root, Designated,
NonStp), and STP port status (Disabled, Discarding, Learning, Forwarding).
Format
show stp ports {<portlist>}
: CIST
: Enabled
: 32768(Bridge Priority : 32768, SYS ID Ext : 0 )
: 0
: 32768/00-22-22-22-22-00
: 0
: 32768/00-22-22-22-22-00
: None
: 20
: 15
: 2430
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