Panasonic Switch-M12PWR Operation Manual page 107

Screen Description
CIST Root Port: Displays the present root port.
CIST Root Path Displays a cost from the root port to root bridge.
Cost:
CIST Root: Displays bridge ID of a root bridge.
CIST Regional Displays a path cost to a regional root bridge (root bridge of CIST
Root Cost: tree in the MST region).
CIST Regional Displays bridge ID of a regional root bridge (root bridge of CIST tree
Root: in the MST region).
Time Since Displays elapsed time (sec.) from changing configuration of spanning
Topology Change: tree.
Topology Change Displays the number of changes in configuration of spanning tree.
Count:
CIST Hello Time: Displays an access interval with a root bridge for confirming the
spanning tree configuration.
CIST Maximum Displays a timeout period of the Hello message.
Age:
CIST Forward Displays transition time of spanning tree status, such as from
Delay: Listening to Learning or Learning to Forwarding.
CIST Bridge ID: Displays bridge ID of the Switching Hub. Bridge ID is configured with
bridge priority and MAC address. The factory default setting of the
bridge priority is 8000.
CIST Bridge Hello Displays the Hello time when the Switching Hub becomes the root
Time: bridge.
CIST Bridge Displays Maximum Age when the Switching Hub becomes the root
Maximum Age: bridge.
CIST Bridge Displays Forward Delay when the Switching Hub becomes the root
Forward Delay: bridge.
Max Hop Count: Displays the maximum number of hops. (Displays a value determined
by the root bridge.)
Note: This system does not allow the concurrent use of spanning tree and
link aggregation. The concurrent use of spanning tree and Internet
mansion mode is also not allowed. Set a unified value for the entire
system in each timer parameter.
107