Refer to the two show output examples below.
S78#show spanning-tree MST0 Spanning tree enabled protocol mstp Root ID Priority 32768 Address e8ba.70b5.6c00 Cost 0 Port 23 (FastEthernetO/21) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 (priority 32768 sys-id-ext 0) Address e8ba.70ei.d980 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type --------- ---- --- ------ -------- ----- Fa0/1 Desg FWD 200000 128.3 P2p Fa0/2 Desg FWD 200000 128.4 P2p Fa0/21 Root FWD 200000 128.23 P2p Fa0/23 Altn BLK 200000 128.25 P2p MST1 Spanning tree enabled protocol mstp Root ID Priority 24577 Address e8ba.70b5.6c00 Cost 200000 Port 23 (FastEthernetO/21) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32769 (priority 32768 sys-id-ext 1) Address e8ba.70e1.d980 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type --------- ---- --- ------ -------- ----- Fa0/1 Desg FWD 200000 128.3 P2p Fa0/21 Root FWD 200000 128.23 P2p Fa0/23 Altn BLK 200000 128.25 P2p MST2 Spanning tree enabled protocol mstp Root ID Priority 24578 Address e8ba.70b5.7180 Cost 200000 Port 25 (FastEthernetO/23) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32770 (priority 32768 sys-id-ext 2) Address e8ba.70e1.d980 Interface Role Sts Cost Prio.Nbr Type --------- ---- --- ------ -------- ----- Fa0/2 Desg FWD 200000 128.4 P2p Fa0/21 Altn BLK 200000 128.23 P2p Fa0/23 Root FWD 200000 128.25 P2p S78# show spanning-tree mst ##### MST0 vlans mapped: 1-69,71-79,81-4094 Bridge address e8ba.70e1,d980 priority 32768 (32768 sysid 0) Root address e8ba.70b5.6c00 priority 32768 (32768 sysid 0) port Fa0/21 path cost 0 Regional Root address e8ba.70b5.6c00 priority 32768 (32768 sysid 0) internal cost 200000 rem hops 19 Operational hello time 2, forward delay 15, max age 20, txholdcount 6 Configured hello time 2, forward delay 15. max age 20, max hops 20 Interface Role Sts Cost Prio.Nbr Type --------- ---- --- ------ -------- ----- Fa0/1 Desg FWD 200000 128.3 P2p Fa0/2 Desg FWD 200000 128.4 P2p Fa0/21 Root FWD 200000 128.23 P2p Fa0/23 Altn BLK 200000 128.25 P2p ##### MST1 vlans mapped: 70 Bridge address e8ba.70e1.d980 priority 32769 (32768 sysid 1) Root address e8ba.70b5.6c00 priority 24577 (24576 sysid 1) port Fa0/21 cost 200000 rem hops 19 Interface Role Sts Cost Prio.Nbr Type --------- ---- --- ------ -------- ----- Fa0/1 Desg FWD 200000 128.3 P2p Fa0/21 Root FWD 200000 128.23 P2p Fa0/23 Altn BLK 200000 128.25 P2p ##### MST2 vlans mapped: 80 Bridge address e8ba.70e1.d980 priority 32770 (32768 sysid 2) Root address e8ba.70b5.7180 priority 24578 (24576 sysid 2) port Fa0/23 cost 200000 rem hops 19 Interface Role Sts Cost Prio.Nbr Type --------- ---- --- ------ -------- ----- Fa0/2 Desg FWD 200000 128.4 P2p Fa0/21 Altn BLK 200000 128.23 P2p Fa0/23 Root FWD 200000 128.25 P2p
The switch with the e8ba.70b5.7180 MAC address is the root bridge for which VLAN or VLANs?