[c-nsp] per-packet load sharing.

[Rodney Dunn]

On Mon, Dec 10, 2007 at 09:36:56AM -0800, virendra rode // wrote:
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> Kevin Graham wrote:
> >> The thing is the cef is load-balancing packets across equal-cost links
> >> on a per-destination which is how its suppose to be which I get it. The
> >> issue is my tunnel traffic is destined to a single core router on the
> >> far end of the links consuming the majority of the BW for any single
> >  link.
> > 
> > Under 12.4(11)T there's now an algorithm that includes ports numbers in the
> > hash:
> > 
> > http://www.cisco.com/en/US/products/ps6441/products_configuration_guide_chapter09186a0080824974.html#wp1046335
> - ------------------------
> I could possibly give this is a try provided traffic gets load shared
> over equal cost paths.
> 
> Just wondering if "ip cef load-sharing algorithm include-ports source
> destination" feature is supported on 12.4(10c)?

No. 12.4(11)T and later only.
Will be in 12.5(x) mainline.

Rodney

> 
> > 
> >> Hence I'm looking at using per-packet method. I don't have any latency
> >> sensitive application that I need to worry in this case.
> > 
> > The concern with per-packet isn't an increase in latency, its the jitter
> > and out-of-order delivery (the OoO's being especially harsh on bulk TCP
> > transfers).
> - ------------------------------------------------
> Understand and this been highlighted to the customer which will be
> monitored as part of their performance review.
> 
> 
> 
> regards,
> /virendra
> 
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