Hi,
Here's the output from a show spanning-tree command on a 3550:
sh spanning-tree vlan 800
VLAN0800
Spanning tree enabled protocol ieee
Root ID Priority 33568
Address 0005.313e.5600
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 33568 (priority 32768 sys-id-ext 800)
Address 0005.313e.5600
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Port ID Designated Port ID
Name Prio.Nbr Cost Sts Cost Bridge ID Prio.Nbr
---------------- -------- --------- --- --------- -------------------- --------
Gi0/3 128.3 19 BKN* 0 33568 0005.313e.5600 128.3
What does the BKN* stand for and how does this condition occur?
Thanks.