HWIC is layer-II device i am using in 2811 i want to convert this to layer-III so i can assign ip address on ports. no Switchport cmd is also not working. i am trying to creat vlan but could not enter in vlan database. using 12.4 advance security IOS...

hi,i am using 4 ports HWIC in 2811 router for LAN interface. All ports are layer 2 ports unable to assign ip address. I am using advance security IOS 12.4(5)trying to create vlan. but unable to enter vlan in data base, when trying to map one of port ...