[c-nsp] Cisco 7600 pseudowire ping

Ivan cisco-nsp at itpro.co.nz
Sat Jul 19 18:58:18 EDT 2014


No CoPP. Direct ping is fine.  Just the PW ping having issues.

On 20/Jul/2014 2:13 a.m., Peter Persson wrote:
> Do you have any Control-plane policing?
> As i understand your email, you are pinging between two 7600's directly
> and not anything behind it?
>
>
>
>
> 2014-07-19 13:47 GMT+02:00 Ivan <cisco-nsp at itpro.co.nz
> <mailto:cisco-nsp at itpro.co.nz>>:
>
>     I have found that mpls pseudowire pings to some 7600s running
>     15.2(4)S4a go missing - I see about 95/100 success rate.  On other
>     devices with older software I have no loss.  The problem is not seen
>     if the ping interval is increased to 100ms.  Also pinging over the
>     VC shows no loss.
>
>     Given the above I suspect some rate-limiting may be taking place.  I
>     am hoping someone will be able to confirm and ideally share some
>     commands that show come counters for the drops as so far I have had
>     no success.
>
>     c7600s72033-advipservicesk9-__mz.152-4.S4a.bin
>     WS-X6704-10GE
>     WS-SUP720-3BXL
>
>     Thanks
>
>     Ivan
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