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?