You have a port on the switch facing the router that's acting as the Relay, correct? You need to trust that port, simple... :-)
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert On Thu, Apr 12, 2012 at 22:55, Kingsley Charles <kingsley.char...@gmail.com>wrote: > Marko, I read them. Very nice blog. > > I wanted to understand, what you meant by 2nd workaround, > > > 1. Disable snooping > 2. Trust the Relay port > > > With regards > Kings > > > On Fri, Apr 13, 2012 at 11:15 AM, Marko Milivojevic > <mar...@ipexpert.com>wrote: > >> On Thu, Apr 12, 2012 at 21:48, Kingsley Charles < >> kingsley.char...@gmail.com> wrote: >> >>> Hi Marko >>> >>> Please let me know, what did you mean by "Trust the Relay port". Are you >>> saying that we should make the port connected to relay port as dhcp >>> snooping trust port. >>> >> >> Did you read the articles I sent you? Unfortunately, if you want to have >> DHCP Snooping enabled on the Catalyst switch running 12.2(46)SE, that's >> exactly what you need to do. I was unable to make it work otherwise, using >> the exact same steps you tried. >> >> >>> But why are we hitting this issue. The mac address is there, the switch >>> should have forwarded the DHCP offer packet back to relay. >>> >>> My guess is that the issue is because of the chaddress being client's >>> mac address and dst mac is relay's mac address. The switch is trying >>> forward to chaddress. >>> >> >> A bug? >> >> -- >> Marko Milivojevic - CCIE #18427 (SP R&S) >> Senior CCIE Instructor - IPexpert >> > >
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com