[c-nsp] ME3600 FCS packet generation issue

Jordi Magrané Roig jordimagrane at hotmail.com
Mon Oct 27 03:57:32 EDT 2014


Hello Ytti,

I have checked the Lucent GBE card and the current revision is V02.04.81. The card is ISA-ES16-2.4

.

Thanks!

> From: luky-37 at hotmail.com
> To: saku at ytti.fi; cisco-nsp at puck.nether.net
> Date: Fri, 24 Oct 2014 12:59:52 +0200
> Subject: Re: [c-nsp] ME3600 FCS packet generation issue
> 
> > We've seen firmware fault in Lucent GBE card in revision S1:7, rev 3 and rev 6
> > work fine. This fault causes FCS occasionally to be incorrect, but you should
> > then observe the FCS error in ME3600 itself.
> >
> > It would seem to me much more likely that fault would be in SDH, since usually
> > EoSDH does not transport FCS but optimizes it away. But again, if I understood
> > your topology correctly, error should be visible in ME3600 counters in
> > interface facing SDH, not in X.
> 
> I agree.
> 
> Also, instead of reloading the ME3600, try just bumping the interface on the
> ME3600 (shut/no shut). This will generate the same signalling in the SDH network,
> as a reload.
> 
> If the origin of the problem is the SDH network, bumping the interface
> shut have (in theory) the same effect as reloading.
> 
> 
> Lukas 		 	   		  
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