Longest prepend( 255 times) as path found

Tom Beecher beecher at beecher.cc
Sat Aug 27 12:22:57 UTC 2022

Yeah,I meant RIB, not FIB. Should have finished coffee first. :)

On Fri, Aug 26, 2022 at 9:10 PM Lincoln Dale <ltd at interlink.com.au> wrote:

> If I was running an edge device with a limited FIB, perhaps I might drop
>> it to save memory. If I had beefier devices, perhaps I would just depref
>> it.
> Note that if said prefix either existed elsewhere with fewer prepends that
> meant it 'won' bgp best-path selection, then it would not result in any
> difference in the FIB.
> The FIB is where the 'winning' prefixes go as fully-resolved things from
> the RIB, but the RIB too would not have it, as an alternative won in BGP.
> And even if you depref'd it in BGP, it would still be there in the
> control-plane, consuming the same amount of RAM.
> Reject it for excess prepends is likely the best choice.
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