On 18.08.21 12:36, Saku Ytti wrote:
On Wed, 18 Aug 2021 at 12:36, Lars Prehn <lpr...@mpi-inf.mpg.de> wrote:

As I understand by now, it is highly recommended to set a max-prefix
limit for peering sessions. Yet, I can hardly find any recommendations
on how to arrive at a sensible limit.
You are missing two important questions
a) should I apply it to before or after policy
b) what should I do when it triggers, should I reset or stop accepting new

When I read through [1] earlier today, I had the feeling that these question rather strictly translate to:

a) Do I keep rejected routes around?

b) Can I traffic-wise afford dropping the session to send a strong signal to my peer?

Hence, I didn't dig deeper.

Best regards,

Lars

[1] https://tools.ietf.org/id/draft-sa-grow-maxprefix-00.html#rfc.section.3.1

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