[c-nsp] 2 x "new" ME3600's, 1 fails to reach one PE only in VRF's

Mark Tinka mark.tinka at seacom.mu
Mon Apr 20 02:09:12 EDT 2015



On 20/Apr/15 04:33, CiscoNSP List wrote:
> Hi Everyone,
>
> Have 2 new ME3600's (ME3600-01(Working fine) + ME3600-02(fails to reach any VRF IP on 1 PE..all other PE's(~10 other PE's) reachability is fine), both RR-clients, both have no problems reaching all our other PE's IP's in global and VRF's)
>
> If I run a "show ip route vrf CUSTA" on both ME's, all routes displayed are identical...including the problematic PE.
>
> ME3600-01 can happily reach all VRF IP's on this PE, as well as Global
>
> MR3600-02 can happily reach all global IP's on this PE, but no VRF IP's...all VRF IP's are displayed (sh ip route vrf foo), just cant ping them, and traces to them fail...stars on first hop...same in reverse(i.e. from problem PE...traces back to ME01, work fine, traces to ME02, I get stars on first hop)
>
>
> Traces to/from problem PE + both ME's Loops(Used for IGP+BGP) take same path, and work.
>
>
> Any suggestions are greatly appreciated!

Try clearing the FIB and/or reloading the box and let me know what happens.

We've run into a number of FIB-related on our ME3600X's (but affecting
only the global table, and only IPv4). So it would be interesting to see
if you are seeing something similar.

Mark.


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