Advanced Traffic Management Guide K/KA/KB.15.15

vlan 49
name "VLAN49"
no ip address
tagged Trk1-Trk2
exit
spanning-tree
spanning-tree protocol-version MSTP
spanning-tree Trk1 priority 4
spanning-tree Trk2 priority 4
spanning-tree config-name "mstp-vrrp"
spanning-tree config-revision 1
spanning-tree instance 1 vlan 3-5 23-25 33-35 43-45
spanning-tree instance 2 vlan 7-9 27-29 37-39 47-49
Show spanning-tree instance IST
IDF4EAST(config)#: show span trk1-trk2 in ist
IST Instance Information
Instance ID : 0
Mapped VLANs : 1
Switch Priority : 32768
Topology Change Count : 2
Time Since Last Change : 2 mins
Regional Root MAC Address : 001871-b80a00
Regional Root Priority : 0
Regional Root Path Cost : 30000
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 001819-28f080
Show spanning-tree instance 1
IDF4EAST(config)#: show span trk1-trk2 in 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 : 4 mins
Regional Root MAC Address : 001871-b80a00
Regional Root Priority : 0
Regional Root Path Cost : 30000
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 001819-28f080
420 Spanning tree interoperability between HP and Cisco switches