xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide
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DGS-3420-28SC:admin#show stp instance
Command: show stp instance
STP Instance Settings
---------------------------
Instance Type : CIST
Instance Status : Enabled
Instance Priority : 32768(Bridge Priority : 32768, SYS ID Ext : 0 )
STP Instance Operational Status
--------------------------------
Designated Root Bridge : 32768/00-22-22-22-22-00
External Root Cost : 0
Regional Root Bridge : 32768/00-22-22-22-22-00
Internal Root Cost : 0
Designated Bridge : 32768/00-22-22-22-22-00
Root Port : None
Max Age : 20
Forward Delay : 15
Last Topology Change : 2430
Topology Changes Count : 0
DGS-3420-28SC:admin#
79-3 show stp ports
Description
This command is used to display the switch’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>}
Parameters
<portlist> - (Optional) Specify a range of ports to be displayed.
Restrictions
None.
Example
To show STP ports:
DGS-3420-28SC:admin#show stp ports
Command: show stp ports
