Viewing Bridge Port Information

To view information about spanning tree bridge ports:

The Spanning Tree Information Web page is displayed in the content pane. See Figure�40.

In the Bridge Ports field, click the bridge for which you want to view port information.

The Spanning Tree Per Module Bridge Port Information Web page is displayed in the content pane.

In the Bridge Ports field, click the ports for which you want to view information.

The Spanning Tree Bridge Port Information Web page is displayed. See Figure�62.

Table�42 provides explanations of the information that is displayed in each field of this Web page.

Figure�62:�Spanning Tree Bridge Port Information Web Page

Table�42:�Spanning Tree Bridge Port Information Parameters �
Parameter	Description
Bridge Port	Bridge port number.
Port	Physical port number of the bridge port.
Name	Name that is assigned to the bridge port.
Port ID	The ID that Spanning Tree assigns the port.
Role	The current role of the port. The options are: Root Designated Alternate Backup Disabled For information about each of these roles, see "How RSTP Achieves Rapid Recovery."
State	Current bridging state of the port. The options are: Discarding -- The port is either disabled, blocking or listening. Learning -- The port is learning new MAC addresses, but not yet forwarding traffic. Forwarding -- The port has been selected by Spanning Tree to forward traffic and is forwarding traffic currently.
Designated Root	Root bridge for this spanning tree.
Designated Cost	The path cost to the designated root of the segment that is connected to this port.
Designated Bridge	ID of the designated bridge for this segment.
Designated Port	ID of the designated port on the designated bridge for this segment. For information about each of these roles, see "How RSTP Achieves Rapid Recovery."
Fwd Trans	Number of times that this port has changed from discarding state to forwarding state.
Protocol	Type of BPDUs that the port is transmitting (RSTP or STP). If the switch is running RSTP, and this field displays STP, the port has detected the presence of bridges running STP and is operating in common-spanning-tree mode.