! hostname S_A ! spanning-tree mode rapid-pvst ! interface FastEthernet0/2 switchport mode trunk ! interface FastEthernet0/3 switchport mode trunk ! interface Vlan1 ip address 10.10.10.2 255.255.255.0 !
! hostname S_B ! spanning-tree mode rapid-pvst ! interface FastEthernet0/2 switchport mode trunk ! interface FastEthernet0/3 switchport mode trunk ! interface Vlan1 ip address 10.10.10.3 255.255.255.0 !