[c-nsp] per-packet load sharing.

[virendra rode //]

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Rodney Dunn wrote:
> On Mon, Dec 10, 2007 at 09:36:56AM -0800, virendra rode // wrote:
> 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
- -----------------------
Bummer. We have a stringent code selection process for all our CE routers.

Just curious, anyone running 12.4(11)T would like to share their
experiences from a stability standpoint.



regards,
/virendra


> 
>>>>> 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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