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Re: any dangers of filtering every /24 on full internet table to preserve FIB space ?


From: Stephane Bortzmeyer <bortzmeyer () nic fr>
Date: Mon, 10 Oct 2022 17:20:33 +0200

On Mon, Oct 10, 2022 at 05:58:45PM +0300,
 Edvinas Kairys <edvinas.email () gmail com> wrote 
 a message of 35 lines which said:

But theoretically every filtered /24 could be routed via smaller
prefix /23 /22 /21 or etc.

I don't think this is true, even in theory, specially for legacy
prefixes. There is probably somewhere a Geoff Huston survey on /24
without a covering route.


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