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4-22 Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, Version v5.3.1
Chapter 4
4. In the Bridge Port column, select the bridge port number
The Spanning Tree Port Information window opens
(Figure 4-13).
State Current bridging state of the port.
The options are:
• Disabled - The port is disabled.
• Blocking - The Spanning Tree algorithm has set
this port’s state to block, meaning that it is
enabled, but not passing traffic.
• Listening - The port is in a transitional state,
listening for BPDUs and waiting for the spanning
tree algorithm to determine if the port should
transition to the Learning state. The port is still in
blocking mode.
• Learning - The port is learning new MAC
addresses, but not yet forwarding traffic.
• Forwarding - This port has been selected by the
Spanning Tree algorithm to forward traffic, and is
forwarding traffic currently.
• Down - The port’s physical port has no link
detected.
Designated Root Displays the Root bridge for this spanning tree.
Designated Bridge The bridge identifier for the bridge considered to be the
designated bridge for this segment.
Designated Port The port identifier of the port on the designated bridge
for this segment of the spanning tree.
Designated Cost The path cost of the designated root of the segment
connected to this port.
Forward Transitions Number of times that this port has transitioned from
blocking to forwarding.
Table 4-5. Spanning Tree Bridge Port Information Window
Parameter Explanation
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