vlan encapculation on a sub interface

durairaj29

hi all ,the problem i am having is ,when i go to configure a vlan and begin to set up the sub-interfaces on a router (2503) for inter vlan routing
i get this error
router (config-if)# int e/0.1
router (config sub-if) encapsulation (as the up arrow indicates word is unrecognised
^
i am obviously trying to type in................ router(config sub-if)# encapsulation dot1q 10

i have tried router (config-if)# int e/0.1
router (config sub-if)#ip address 192.168.1.1 255.255.255.0
router (config sub-if) encapsulation
and ^

router (config-if)# int e/0.1
router (config sub-if) encapsulation dot1q
^

but either way it spits the dummy and wont let me enter the encapsulation cmd
as i said before i am running a 2503 router with cisco ios ver 12

Any suggestions would be greatly appreciated

live_wire

first thing, Ethernet interface do not support VLAN communication ( trunking ), U have to use a router that has a FastEthernet interface.

i assume u r using a sim, use 2600 series router for VLAN communication

mgeorge

2500 series routers cannot perform intervlan routing via dot1q trunk.
It can route between vlans if it had a physical port is attached to each vlan
and a given ip address native to each vlan.

You will need a 2600 Series router.
No you do not need a fastethernet port to do dot1q trunking/vlan routing.

You do however need a 2600 running 12.3 IP Plus or 12.2T IP Plus

IP Plus requires 64DRAM 16MB Flash.

Example image name of IP Plus would be;
c2600-is-mz.12.3-20.bin