Advanced Traffic Management Guide K/KA/KB.15.15

MST1
Spanning tree enabled protocol mstp
Root ID Priority 1
Address 0018.71b8.0a00
Cost 20000
Port 65 (Port-channel1)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 000d.bd43.1580
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
--------- ---- --- ----- -------- -----
Po1 Root FWD 20000 128.65 P2p
Po2 Desg FWD 20000 128.66 P2p
MST2
Spanning tree enabled protocol mstp
Root ID Priority 2
Address 0018.71b9.e400
Cost 40000
Port 66 (Port-channel2)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32770 (priority 32768 sys-id-ext 2)
Address 000d.bd43.1580
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
--------- ---- --- ----- -------- -----
Po1 Altn BLK 20000 128.65 P2p
Po2 Root FWD 20000 128.66 P2p
Show spanning-tree MST-config
IDF2WEST#:show spanning-tree mst configuration
Name [mstp-vrrp]
Revision 1 Instances configured 3
Instance Vlans mapped
-------- ---------------------------------------------------
0 1-2,6,10-22,26,30-32,36,40-42,46,50-4094
1 3-5,23-25,33-35,43-45
2 7-9,27-29,37-39,47-49
-------------------------------------------------------------
Cisco 3550 (IDF2EAST)
Configure the switch
>enable
#:configure terminal
(config)#: hostname IDF2EAST
(configures system name)
IDF2EAST(config)#: vlan 1
IDF2EAST(config-vlan)#: vlan 23-25,27-29
400 Spanning tree interoperability between HP and Cisco switches