nanog mailing list archives

Re: Telia Not Withdrawing v6 Routes


From: Neil Hanlon <neil () shrug pw>
Date: Mon, 16 Nov 2020 22:23:21 -0500

Surely they can just put them in an array.

;)


On Mon, Nov 16, 2020, 21:54 Valdis Klētnieks <valdis.kletnieks () vt edu>
wrote:

On Mon, 16 Nov 2020 17:36:58 -0800, Sabri Berisha said:

Also, in the case that I described it wasn't a Junos device. Makes me
wonder how bugs
like that get introduced. One would expect that after 20+ years of
writing BGP code,
handling a withdrawl would be easy-peasy.

Handling a withdrawal is easy.

Handling one correctly without race conditions when you're seeing
withdrawals
and additions from multiple bgp sessions concurrently, while also
maintaining
RIB and FIB consistency and keep forwarding customer packets is a little
bit harder.


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