Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 1893

Verification
Purpose
Action
Copyright © 2010, Juniper Networks, Inc.
To confirm that the configuration is working properly, perform these tasks:
Verifying MSTP Configuration on Switch 1 on page 1789
Verifying MSTP Configuration on Switch 2 on page 1790
Verifying MSTP Configuration on Switch 3 on page 1792
Verifying MSTP Configuration on Switch 4 on page 1793
Verifying MSTP Configuration on Switch 1
Verify the MSTP configuration on Switch 1.
Use the operational mode commands:
user@switch1> show spanning-tree interface
Spanning tree interface parameters for instance 0
Interface Port ID
ge-0/0/13.0 128:527
ge-0/0/9.0 128:529
ge-0/0/11.0 128:531
Spanning tree interface parameters for instance 1
Interface Port ID
ge-0/0/13.0 128:527
ge-0/0/9.0 128:529
ge-0/0/11.0 128:531
Spanning tree interface parameters for instance 2
Interface Port ID
ge-0/0/13.0 128:527
ge-0/0/9.0 128:529
ge-0/0/11.0 128:531
user@switch1> show spanning-tree bridge
STP bridge parameters
Context ID
Enabled protocol
STP bridge parameters for CIST
Root ID
Root cost
Root port
CIST regional root
CIST internal root cost
Hello time
Maximum age
Forward delay
Hop count
Message age
Number of topology changes
Chapter 71: Examples of Spanning-Tree Protocols Configuration
Designated Designated
port ID bridge ID
128:525 16384.0019e25040e0
128:513 32768.0019e2503d20
128:513 8192.0019e25051e0
Designated Designated
port ID bridge ID
128:525 16385.0019e25040e0
128:513 32769.0019e2503d20
128:513 4097.0019e25051e0
Designated Designated
port ID bridge ID
128:527 8194.0019e25044e0
128:513 4098.0019e2503d20
128:531 8194.0019e25044e0
: 0
: MSTP
: 8192.00:19:e2:50:51:e0
: 0
: ge-0/0/13.0
: 8192.00:19:e2:50:51:e0
: 2000
: 2 seconds
: 20 seconds
: 15 seconds
: 18
: 0
: 3
Port State Role
Cost
1000 FWD ROOT
1000 BLK ALT
4000 BLK ALT
Port State Role
Cost
1000 FWD ROOT
1000 BLK ALT
4000 BLK ALT
Port State Role
Cost
1000 FWD DESG
1000 FWD ROOT
1000 FWD DESG
1789