Hi Thanks this is very helpful!  I was wondering if I put my MX's in concentrator mode how I would take care of the routing aspect this clears that up! ... View more

@AndreaWimsatt I'll PM for your new address! ... View more

I found this thread as I wanted to do similar. I have just bought two different types of 'cisco SFP-10G-T-S compatible' 10gbase-T copper GBICs and they both work fine in MS225-24P, 48 and 48LP switches. I am linking them back to an mGig port on an MS350-24X.   The MS225 end doesn't seem to always report the correct speed from the GUI but it seems to be working perfectly. Some of these are over longer than 30M cable runs and the MS350 end is reporting a 5gbit link on those runs but the Ms225 gbic always says 10gbit. ... View more