Advanced Traffic Management Guide K/KA/KB.15.15

Figure 15 Viewing the switch's global spanning tree configuration
Viewing per-instance MSTP configurations
These commands display the per-instance port configuration and current state, along with instance
identifiers and regional root data.
Syntax:
show spanning-tree config instance [ ist | 1..16 ]
The upper part of this output shows the instance data for the ist or for the specified
instance. The lower part of the output lists the spanning tree port settings for the
specified instance.
Syntax:
show spanning-tree port-list config instance [ ist | 1..16 ]
This command shows the same data as the preceding command, but lists the
spanning tree port parameter settings for only the specified port or trunk. You can
list data for a series of ports and port trunks by specifying the first and last port or
trunk of any consecutive series of ports and trunks.
102 Multiple instance spanning tree operation