Nevermind, I reckon Ive got it sorted. MTU strikes again. :-)
> Hi all, > > I am experiencing packet drops in the tx direction of an MPLS based > xconnect. > > The xconnect is between a 7304 NPE-G100 and a 7206VXR NPE-G1, and only > seems to be an issue with tx from the 7304. rx on the 7304 is fine, and tx > and rx on the 7206 are also fine. > > Moving the xconnect from the 7304 onto another 7206VXR NPE-G1 resolves the > issue. > > Ive tried an IOS upgrade, reboot, rebuild of the xconnect, but to no > avail. > > Ive also tried turning on various debug commands but wasnt able to obtain > any usefil hints as to what the problem is. > > Here is part of the output of a "show mpls l2 vc detail" for the xconnect: > > VC statistics: > packet totals: receive 545, send 485 > byte totals: receive 72955, send 61850 > packet drops: receive 0, seq error 0, send 60 > > This was captured after the reboot so there isnt much happening, but you > can see there are tx packet drops. > > Ive used various debug commands to try and get something to work on, > including the following: > > debug mpls l2 vc event > debug mpls l2 vc fsm > debug mpls l2transport signaling message > debug mpls l2 packet error > > I was hoping the last one would reveal something interesting, but I only > seemed to get output from the first 1-2 commands. > > The xconnect establishes with no problems, and it will stay up, it just > seems to be dropping packets for some reason. > > Is anyone familiar with the causes of these types of issues and what else > can be looked at/debugged and how to resolve it? > > Thanks, > Tom > > _______________________________________________ > 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/
