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bridge port detail 283
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bridge port detail Displays detailed information about bridge ports, including the Spanning
Tree Protocol (STP) configurations for the bridge port.
Valid Minimum Abbreviation
b po d
Important Considerations
■
The port numbering that is displayed for your ports is always
sequential, although it depends on the placement of the modules that
you have configured into your system. See the
Implementation Guide
for your system for more information about port numbering.
■
For resilient links, the main and standby ports are shown in ascending
order.
■
When you are prompted to select ports, specify the
?
option to see a
list of information about your bridge ports. This matrix is useful, for
example, if you have trunks configured but forget which port is the
anchor port. You must use the anchor port number to display a port
summary for a trunk.
Fields in the Bridge Port Detail Display
Field Description
designatedBridge Identity of the designated bridge of the LAN to which the
port is attached. It is an STP port parameter.
designatedCost Cost through this port to get to the root bridge. The
designated cost of the root port is the same as the cost
that is received in incoming BPDUs from the designated
bridge for that LAN. It is an STP port parameter.
designatedPort Identity of the designated port on the designated bridge.
designatedRoot Identity of the root bridge in the LAN, which includes the
root bridge’s priority value and the MAC address of port 1
on that bridge.
fwdTransitions Number of times that the port has entered the forwarding
state since you enabled STP or rebooted the system. This
value is useful for determining the relative stability of the
topology.
gvrpState
(3500, 9000 L3) Whether the GARP VLAN Registration Protocol (GVRP) is
enabled or disabled on the port. For GVRP to function on
the port, you must enable it on the port as well as the
entire bridge. To configure GVRP on a port, see “bridge
port gvrpState” in this chapter. To configure GVRP on the
bridge, see “bridge gvrpState” in Chapter 9.