nanog mailing list archives
Re: Setting sensible max-prefix limits
From: Lars Prehn <lprehn () mpi-inf mpg de>
Date: Wed, 18 Aug 2021 13:17:00 +0200
On 18.08.21 12:36, Saku Ytti wrote:
On Wed, 18 Aug 2021 at 12:36, Lars Prehn <lprehn () 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
Current thread:
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits], (continued)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Ross Tajvar (Aug 19)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Brielle (Aug 19)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Seth Mattinen (Aug 19)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Stefan Funke (Aug 20)
- Re: Setting sensible max-prefix limits Lukas Tribus (Aug 18)
- Re: Setting sensible max-prefix limits Hank Nussbacher (Aug 18)
- Re: Setting sensible max-prefix limits Dale W. Carder (Aug 18)
- Re: Setting sensible max-prefix limits Lars Prehn (Aug 18)
- Re: Setting sensible max-prefix limits tim () pelican org (Aug 18)
- Re: Setting sensible max-prefix limits Tom Beecher (Aug 18)
- Re: Setting sensible max-prefix limits Jared Mauch (Aug 18)
- Re: Setting sensible max-prefix limits Jon Lewis (Aug 18)