i have two schools, with lan in each school, now i want to connect these two schools using a frame relay wan connection, how to accomplish thisi have one router at each school , cisco 3640 router, now can i directly connect the two router using a ser...

my question is, if we have not added vlan 5 on our switch, but we are excecuting the command "switport mode access vlan 5", wat error will this command give, plz help me its urgent