Advanced Traffic Management Guide K/KA/KB.15.15

Show spanning-tree instance IST
IDF3EAST#: show span trk1-trk2 in ist
IST Instance Information
Instance ID : 0
Mapped VLANs : 1
Switch Priority : 32768
Topology Change Count : 10
Time Since Last Change : 11 mins
Regional Root MAC Address : 001871-b80a00
Regional Root Priority : 0
Regional Root Path Cost : 40000
Regional Root Port : Trk2
Remaining Hops : 18
Designated
Port Type Cost Priority Role State Bridge
----- ----- ------- -------- --------- ---------- -----------------
Trk1 20000 64 Alternate Blocking 001871-b80a00
Trk2 20000 64 Root Forwarding 001708-2361c0
Show spanning-tree instance 1
IDF3EAST#: show span trk1-trk2 in 1
MST Instance Information
Instance ID : 1
Mapped VLANs : 3-5,23-25,33-35,43-45
Switch Priority : 16384
Topology Change Count : 7
Time Since Last Change : 2 hours
Regional Root MAC Address : 001871-b9e400
Regional Root Priority : 0
Regional Root Path Cost : 40000
Regional Root Port : Trk2
Remaining Hops : 18
Designated
Port Type Cost Priority Role State Bridge
----- ----- ------- -------- --------- ---------- -----------------
Trk1 20000 128 Alternate Blocking 001871-b9e400
Trk2 20000 128 Root Forwarding 001708-2361c0
Show spanning-tree instance 2
IDF3EAST#: show span trk1-trk2 in 2
MST Instance Information
Instance ID : 2
Mapped VLANs : 7-9,27-29,37-39,47-49
Switch Priority : 32768
Topology Change Count : 8
Time Since Last Change : 13 mins
412 Spanning tree interoperability between HP and Cisco switches