R2--------SW1----------R3

RT3                                                                                               

VLAN   23

PORT     E0/4/1

INT    VLAN 23

IP add 23.23.23.2 24

dis vlan23

dis cur

undo vlan

R3

VLAN 23

PORT E0/4/1

int vlan 23

ip add 23.23.23.3 24

q

ping 23.23.23.2