!
! Configuration for S1 (Primary Root Bridge)
!
hostname S1
!
spanning-tree mode rapid-pvst
spanning-tree vlan 10 priority 4096
!
vlan 10
 name Staff
!
interface GigabitEthernet0/1
 description Trunk to S2
 switchport mode trunk
!
interface GigabitEthernet0/2
 description Trunk to S3
 switchport mode trunk
!
end