10-27
Bridging—Transmitting Non-IP Traffic or Merging Two Networks
Troubleshooting Spanning Tree
Figure 10-6. Viewing Spanning Tree Information
When the router supports more than one bridge, you may want to view only
the information for the bridge group in question. Enter the command with the
bridge group number.
You can enter the command with the realtime option to view periodic
updates of the spanning tree information without re-entering the command.
The CLI displays the information in a new screen. You can exit the screen
by pressing
Ctrl+C. You can also pause and restart the display of the updates.
(See Figure 10-7).
ProCurve# show spanning-tree
STP 0
Bridge Group 1
Spanning Tree enabled protocol ieee 802.1w (Rapid Spanning-Tree)
Root ID Priority 32768
Address 00:12:79:05:25:b0
Cost 19
Port 1 (eth 0/1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32768
Address 00:12:79:05:25:d4
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- -----------------------
eth 0/1 Root FWD 19 128.1 P2p
fr 1.1 Altn BLK 651 128.2 P2p
Currently the Frame Relay subinterface 1.1
provides a redundant connection to the
root and cannot forward frames
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