Panasonic Switch-M12PWR, Operation Manual

Page: 107 / 240

107
Screen Description
CIST Root Port: Displays the present root port.
CIST Root Path
Cost: Displays a cost from the root port to root bridge.
CIST Root: Displays bridge ID of a root bridge.
CIST Regional
Root Cost: Displays a path cost to a regional root bridge (root bridge of CIST
tree in the MST region).
CIST Regional
Root: Displays bridge ID of a regional root bridge (root bridge of CIST tree
in the MST region).
Time Since
Topology Change: Displays elapsed time (sec.) from changing configuration of spanning
tree.
Topology Change
Count: Displays the number of changes in configuration of spanning tree.
CIST Hello Time: Displays an access interval with a root bridge for confirming the
spanning tree configuration.
CIST Maximum
Age: Displays a timeout period of the Hello message.
CIST Forward
Delay: Displays transition time of spanning tree status, such as from
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
Time: Displays the Hello time when the Switching Hub becomes the root
bridge.
CIST Bridge
Maximum Age: Displays Maximum Age when the Switching Hub becomes the root
bridge.
CIST Bridge
Forward Delay: Displays Forward Delay when the Switching Hub becomes the root
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.