>>> Can anybody tell me the lowest end Cisco switch that will do >>> IP routing? >> 3550. > OK, but does it require EMI? Or will it work in EMI or SMI? No, EMI is not required to route. EMI brings you OSPF, EIGRP, BGP, PBR, PIM, DVMRP, CGMP, WCCP, Fallback Bridging, VRF Lite. (I think. I've never been able to find a complete list). -A