456 Configuring and managing spanning tree protocol
NN47250-500 (Version 03.01)

Displaying uplink fast convergence information

To display uplink fast convergence information, use the following command:
show spantree uplinkfast [vl an vlan-id]
The following command displays uplink fast convergence information for all VLANs:
WSS# show spantree uplinkfast
VLAN port list
--------- -------------
1 1(fwd),2,3
In this example, ports 1, 2, and 3 provide redundant links to the network core. Port 1 is forwarding traffic. The
remaining ports block traffic to prevent a loop.

Displaying spanning tree information

You can use CLI commands to display the following STP information:
Bridge STP settings and individual port information
Blocked ports
• Statistics
Port fast, backbone fast, and uplink fast convergence information
Note. For information about the show commands for the fast convergence features, see
“Configuring and managing STP fast convergence features” on page 449.