Partial vs Full tables
saku at ytti.fi
Fri Jun 5 17:27:15 UTC 2020
On Fri, 5 Jun 2020 at 20:20, William Herrin <bill at herrin.us> wrote:
> It's a little more nuanced than that. You probably don't want to
> accept a default from your transit but you may want to pin defaults
> (or a set of broad routes as I did) to "representative" routes you do
> accept from your transit. By "pin" I mean tell BGP that 0.0.0.0/0 is
> reachable by some address inside a representative route you've picked
> that is NOT the next hop. That way the default goes away if your
> transit loses the representative route and the default pinned to one
> of your other transits takes over.
That is a great idea. Get all the utility of default with fewer risks.
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