[c-nsp] ASR9k Bundle QoS in 6.0.1

[Adam Vitkovsky]

> Saku Ytti
> Sent: Friday, May 13, 2016 11:48 AM
>
> On 13 May 2016 at 03:13, Mark Tinka <mark.tinka at seacom.mu> wrote:
>
> Hey,
>
> > I'd have thought that the Trio will look deeper into the Ethernet
> > frames and extract IP- and TCP/UDP-level entropy to use as a hashing
> > mechanism to spray bits across the member links of the LAG, but no
> > joy. We tried several combinations of the hash keys (including the
> > "gtp-tunnel-endpoint-identifier", just for giggles), all under "adaptive"
> > mode, and nothing worked.
>
> Trio by default does MPLS payload and Ethernet payload based hashing,
> even IP in QinQ in ETH in MPLS by default would be balanced by IP, so really
> curious why it didn't work.
>
My understanding is that both vendors first determine if its L3 or L2 or MPLS packet (with heap load of labels that they can't see past)  and then balance based on the result
That means they will never combine MPLS label value and IP addresses and ports to produce a hash.
It's always either or.


adam















        Adam Vitkovsky
        IP Engineer

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