Extreme Networks Summit WM3000 Series Reference Manual page 229

The Port Instance table displays the following:
ID
Index
State
Role
Internal Root Cost
Designated Bridge
Designated Port
Priority
AdminInternal Path
Cost
OperInternal Path
Cost
3 If necessary, select a CIST Index from the table and click on Edit button to change the port priority
and internal path cost value. For additional information, see
"Editing a Port Instance Configuration" on page
Summit WM3000 Series Controller System Reference Guide
Displays the instance ID.
Displays the port index.
Displays the MSTP state for the port for that instance.
Displays the MSTP state of the port.
Displays the Internal Root Cost of a path associated with an interface.
The lower the path cost, the greater likelihood of the interface becoming
the root.
Displays the ID of the bridge that sent the best BPDU.
Designated Port Displays the ID of the port that is the designated port for
that instance.
Displays the port priority set for that port and instance.
Displays the configured Admin Internal Path Cost of a port. A value of 0
indicates that the user has not configured a path cost.
Displays the Operational Path Cost of a port. This displays the default
cost if AdminInternal Path Cost is 0.
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