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AP-5131 Access Point Product Reference Guide
7-10
3. Refer to the Port Interface Table to assess the state of the traffic over the ports listed
within the table for the root and bridge and designated bridges.
Designated Root Displays the AP-5131 MAC address of the bridge defined as the
root bridge in the Bridge STP Configuration screen. For information
on defining an AP-5131 as a root bridge, see Setting the LAN
Configuration for Mesh Networking Support on page 9-5.
Bridge ID The Bridge ID identifies the priority and ID of the bridge sending the
message
Root Port Number Identifies the root bridge by listing its 2-byte priority followed by its
6-byte ID.
Root Path Cost Bridge message traffic contains information identifying the root
bridge and the sending bridge. The root path cost represents the
distance (cost) from the sending bridge to the root bridge.
Bridge Max Msg. Age The Max Msg Age measures the age of received protocol
information recorded for a port, and to ensure the information is
discarded when it exceeds the value set for the Maximum
Message age timer. For information on setting the Maximum
Message Age. For information on setting the Bridge Max Msg.
Age, see Setting the LAN Configuration for Mesh Networking
Support on page 9-5.
Bridge Hello Time The Bridge Hello Time is the time between each bridge protocol
data unit sent. This time is equal to 2 seconds (sec) by default, but
can tuned between 1 and 10 sec. For information on setting the
Bridge Hello Time, see Setting the LAN Configuration for Mesh
Networking Support on page 9-5. The 802.1d specification
recommends the Hello Time be set to a value less than half of the
Max Message age value.
Bridge Forward Delay The Bridge Forward Delay value is the time spent in a listening and
learning state. This time is equal to 15 sec by default, but you can
tune the time to be between 4 and 30 sec. For information on
setting the Bridge Forward Delay, see Setting the LAN
Configuration for Mesh Networking Support on page 9-5.
Port ID Identifies the port from which the configuration message was sent.