Consistent routing policy?

Mon Sep 16 14:12:08 UTC 2019

Thanks, Mark, that makes sense.

Take care,
Ben

On Mon, Sep 16, 2019 at 9:05 AM Mark Tinka <mark.tinka at seacom.mu> wrote:

>
>
> On 16/Sep/19 14:47, Ben Logan wrote:
> > Thanks, Mark.  So the discrepancy between what's being advertised (/21
> > vs /22) shouldn't cause any issues?  That's the part I got a bit
> > confused about.  I don't see how it would, but I wanted to make sure.
>
> Longest match always wins... so provided your /22's are in the global
> table, traffic will follow the path toward them before the /21 is
> preferred.
>
> So, for example, if the upstream to whom you are sending the /21 doesn't
> do anything about how they learn the /22 from another source, (for their
> network) they will also send traffic back to you via the /22 path. This
> may or may not be preferred by you, or them. I suppose that's the main
> thing to think about.
>
> Mark.
>

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