I have a 5915 mobile router with software version 15.2(1r)GC1. Ports FE0/0 and FE0/1 are routed ports. Ports FE0/2 through FE0/4 are layer 2 switched ports. I'd like to put FE0/1 and FE0/2-4 in the same address space so that all four ports can be use...