On 17/11/2010 17:51, Peter Rathlev wrote: > If you can insert an SFP in a WS-X6724-SFP LC in a 7600 chassis with a > Sup720 then why not in a WS-X6724-SFP LC in a 6500 chassis with a > Sup720? because the 7600 is a router and the 6500 is a switch? Nick (sorry, couldn't resist)