Cisco ONS 15454 Software Feature And Configuration Manual page 100

Verifying and Monitoring STP and RSTP Status
Port 20 (POS0) of Bridge group 1 is forwarding
Port path cost 3, Port priority 128, Port Identifier 128.20.
Designated root has priority 32769, address 0005.9a39.6634
Designated bridge has priority 32769, address 0005.9a39.6634
Designated port id is 128.20, designated path cost 0
Timers: message age 0, forward delay 0, hold 0
Number of transitions to forwarding state: 6
Link type is point-to-point by default
BPDU: sent 582, received 15
Router# show spanning-tree interface fast 0
Bridge Group
---------------- ---- --- --------- -------- --------------------------------
Bridge group 1
Router# show spanning-tree interface pos 0
Bridge Group
---------------- ---- --- --------- -------- --------------------------------
Bridge group 1
Router# show spanning-tree summary totals
Switch is in pvst mode
Root bridge for: Bridge group 1
Name
---------------------- -------- --------- -------- ---------- ----------
1 bridge
Cisco ONS 15454 SONET/SDH ML-Series Multilayer Ethernet Card Software Feature and Configuration Guide, R4.0
6-22
Role Sts Cost Prio.Nbr Type
Desg FWD 19 128.3
Role Sts Cost Prio.Nbr Type
Desg FWD 3 128.20
Blocking Listening Learning Forwarding STP Active
0 0
Chapter 6
P2p
P2p
0 2
Configuring STP and RSTP
2
January 2004