Start at Layer 0+1... Sure that the links are all full-duplex , esp. to the test-loop ? If half-duplex, then youll see collisions. (and autoneg'ed an both sides shows same result, on all links ?)
(just as a starting point, before checking higher levels And doing days off dbugging: eliminate bad cable/transiever...) Juergen. > [...] > It’s a pretty simple topology. Gi0/0/22 on each A920 is connected to an Exfo > test set. Gi0/0/23 on each A920 is connected to the other. I’ve got an > EoMPLS PW connecting Gi0/0/22 on both devices. > > Exfo Tester - gi0/0/22 - ASR920-1 - gi0/0/23 - gi0/0/23 - ASR920-2 - gi0/0/22 > - Exfo Loopback > > The Exfo transmitted 45469372 packets during the test, and I’m seeing output > drops on ASR920-1 Gi0/0/23. > > There’s no other traffic going across this box, except for ISIS and BFD, but > I highly doubt this would contribute to 2.1 million dropped packets. > [...] _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
