nanog mailing list archives
Re: Setting sensible max-prefix limits
From: Chriztoffer Hansen <ch () ntrv dk>
Date: Wed, 18 Aug 2021 12:03:51 +0200
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? PeeringDB data (sometimes or often?) be somewhat misleading (in contrast to actual avg prefix count) in the sense 'some' networks will input a value with headroom percentages already included.
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] Randy Bush (Aug 18)
- Re: PeerinDB refuses to register certain networks [was: Setting sensible max-prefix limits] Ben Maddison via NANOG (Aug 19)
- 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)