On Tue, May 17, 2011 at 4:01 AM, Phil Mayers <p.may...@imperial.ac.uk> wrote: > On 05/16/2011 05:00 PM, Tim Durack wrote: >> >> Anyone run into CSCti84025 on a C6K, VS-S720-3C, 12.2(33)SXI3? >> >> >> VRFs hardware re-mapping causing MLS/CEF inconsistencies > > We've had something very like this on SXI3 - routing changes trigger MPLS > label mis-programming resulting in CPU punt and high packet loss on affected > LSPs. TAC logged in and did some poking at the TCAM and fixed it, then I > reloaded the box a week or so later. > > We're on SXI5 and these seem to have gone away.
Good to know. We have case open with TAC, and are testing SXI6 as the fix. >> Interested in knowing what it "feels" like. We are seeing these >> invalid entries, and have been experiencing random/cyclic packet loss. >> I'm guessing invalid labels punting to control plane with CoPP >> configured might result in seemingly random packet loss. > > That's exactly what we experienced. > > It seems to "go away" for a while after reload i.e. the TCAM mis-programming > doesn't seem to happen until the box has been up a while. But that was very > much an impression/gut feeling, no hard evidence. Thanks for the comments. -- Tim:> _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
