Advanced Traffic Management Guide K/KA/KB.15.15

Regional Root Port : Trk2
Remaining Hops : 18
Designated
Port Type Cost Priority Role State Bridge
----- --------- --------- -------- ---------- ---------- -------------
Trk1 20000 64 Alternate Blocking 001871-b9e400
Trk2 20000 64 Root Forwarding 0017a4-b2e100
Show spanning-tree instance 1
IDF1EAST(config)#: show span trk1-trk2 inst 1
MST Instance Information
Instance ID : 1
Mapped VLANs : 3-5,23-25,33-35,43-45
Switch Priority : 32768
Topology Change Count : 2
Time Since Last Change : 18 hours
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 128 Alternate Blocking 001871-b9e400
Trk2 20000 128 Root Forwarding 0017a4-b2e100
Show spanning-tree instance 2
IDF1EAST(config)#: show span trk1-trk2 inst 2
MST Instance Information
Instance ID : 2
Mapped VLANs : 7-9,27-29,37-39,47-49
Switch Priority : 32768
Topology Change Count : 2
Time Since Last Change : 18 hours
Regional Root MAC Address : 001871-b9e400
Regional Root Priority : 0
Regional Root Path Cost : 20000
Regional Root Port : Trk1
Remaining Hops : 19
Designated
Port Type Cost Priority Role State Bridge
----- --------- --------- -------- ---------- ---------- -------------
Trk1 20000 128 Root Forwarding 001871-b9e400
Trk2 20000 128 Designated Forwarding 001635-f0f800
Show spanning-tree MST-config
IDF1EAST(config)#: show spanning-tree mst-config
MST Configuration Identifier Information
Configurations 395