Symbol AP-51xx Product Reference Manual page 301

Spanning Tree State
Designated Root
Bridge ID
Root Port Number
Root Path Cost
Bridge Max Msg. Age The Max Msg Age measures the age of received protocol
Bridge Hello Time
Bridge Forward Delay The Bridge Forward Delay value is the time spent in a listening and
3. Refer to the Port Interface Table
within the table for the root and bridge and designated bridges.
Displays whether the spanning tree state is currently enabled or
disabled. The spanning tree state must be enabled for a unique
spanning-tree calculation to occur when the bridge is powered up
or when a topology change is detected.
Displays the access point MAC address of the bridge defined as the
root bridge in the Bridge STP Configuration screen. For information
on defining an access point as a root bridge, see
Configuration for Mesh Networking Support on page
The Bridge ID identifies the priority and ID of the bridge sending the
message
Identifies the root bridge by listing its 2-byte priority followed by its
6-byte ID.
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.
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 9-6.
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
recommends the Hello Time be set to a value less than half of the
Max Message age value.
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
Configuration for Mesh Networking Support on page
to assess the state of the traffic over the ports listed
Setting the LAN
9-6.
9-6. The 802.1d specification
Setting the LAN
9-6.
7-11
Monitoring Statistics