[c-nsp] Setting CS0 on ARP traffic

Mark Tinka mark.tinka at seacom.mu
Thu May 29 08:23:42 EDT 2014


On Thursday, May 29, 2014 02:20:31 PM Tony wrote:

> It gets dropped. That's how I originally found out about
> the "requirement", ARP wasn't getting through. Did some
> packet traces and found ARP's not making it through.
> Questioned carried as to why this was the case and they
> did a packet capture and said that ARP traffic was
> marked as DS6 and so it was getting dropped.
> 
> As per their own documentation (p22):
> 
> "For all NNI configurations, any ingress traffic that
> does not map to a provisioned CVC traffic class will be
> discarded at ingress"
> 
> http://www.nbnco.com.au/content/dam/nbnco/documents/sfaa-
> wba-nebs-product-tech-spec_20131219.pdf

Uh oh - sorry mate.

As Phil has said, then, if your existing box is having 
issues marking what NBN want, you'll need to do some 
networking gymnastics.

Mark.
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