Try 'no neg' on both sides, I seem to remember an issue related to that between 6500 and GSR, but that was six years ago so the memories are a little foggy.
Drew Weaver wrote: > Hi there. > > We are trying to connect a Catalyst 6509 connected via fiber to two GSR 12000 > routers. > > When we connect the switch to the router(s) via G5/1 and G5/2 (on the > Supervisor 720) we get input errors on the Router (the GSR side), the line > goes up/up but we see: > > Received 0 broadcasts, 0 runts, 0 giants, 0 throttles > 1668 input errors, 1668 CRC, 0 frame, 0 overrun, 0 ignored > > The throughput between the two pairs is also terribly slow. > > We have tried different cards in the GSRs, we have tried different fiber > cables. > > The configurations are very simple: > > --Pair #1-- > Cat side: > > interface GigabitEthernet5/1 > description Gig-E to GSR #1 > ip address 192.168.0.34 255.255.255.252 > end > GSR side: > interface GigabitEthernet6/0 > description Gig-E to Catalyst 4 > ip address 192.168.0.33 255.255.255.252 > no ip directed-broadcast > negotiation auto > end > > --Pair #2- > Cat side: > interface GigabitEthernet5/2 > description Gig-E to GSR #2 > ip address 192.168.0.106 255.255.255.252 > end > GSR side: > interface GigabitEthernet6/0 > description Gig-E to Catalyst 4 > ip address 192.168.0.105 255.255.255.252 > no ip directed-broadcast > negotiation auto > end > > we have 3 other catalysts connected to these two GSRs in a similar fashion > (exactly the same) and the GSRs do not show errors. > > Any idea why the errors would only show on the GSR side? > > Thanks for any advice. > > -Drew > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
