nanog mailing list archives
Re: Setting sensible max-prefix limits
From: Hank Nussbacher <hank () interall co il>
Date: Wed, 18 Aug 2021 14:53:26 +0300
On 18/08/2021 13:03, Chriztoffer Hansen wrote:
On Wed, 18 Aug 2021 at 11:33, Lars Prehn <lprehn () mpi-inf mpg de> wrote:I guess for long standing peers one could just eyeball it, e.g., current prefix count + some safety margin. How does that work for new peers?If you have automation in place. Another approach is to count the received prefix. Store the counted value in a database. Based on the avg prefix count over X (time period). Add e.g. 10 - 25 % headroom over the avg prefix count and use the calculated value as the max-prefix limit?
That works but all too often people forget to update it. Set a quarterly reminder in your calendar to check max-prefix setting.
-Hank
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] Eric Kuhnke (Aug 19)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Adam Thompson (Aug 19)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Eric Kuhnke (Aug 22)
- 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)