[j-nsp] Frame loss during Ethernet test

[Tim Jackson]

This isn't running on an MPC carded MX running 10.2 code is it?

There was a bug that bit us that had some random small bits of frame
loss on CCC circuits on MX80 on 10.2.. I can't recall the bug ID, but
it was fixed in 10.4R6.. If I remember right, check your logs and
you'll see some parity errors scrolling through when there is frame
loss.

--
Tim

On Tue, Jan 24, 2012 at 4:03 AM, Gökhan Gümüş <ggumus at gmail.com> wrote:
> Dear all,
>
> One of our customer complaining a small amount of frame loss on their
> service.
> I see that lost packets when i compare input and output statistics on the
> interface.
> We are terminating service with ccc configuration.
> At remote end, we have a hardware loop and customer connects its tester to
> A-end sends traffic.
> When we run the test for 2-3 mins, we have no frame loss but at longer test
> we start to see 10-20 frame loss.
> Frames are lost when our PE puts sent test traffic into corrresponding LSP
> but there is no issue in our LSP.
>
> I do not know the exact principle of these testers but i checked all the
> possible reasons which may cause frame loss
> Delay, errors on the line, oversubscription, etc...None of them is an issue
> during test.
>
> Is there anybody who has such an experience with Ethernet testers?
>
> Thanks and regards,
> Gokhan
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