[10743] in North American Network Operators' Group
Re: NSPs and filters
daemon@ATHENA.MIT.EDU (Vadim Antonov)
Sun Jul 13 05:01:52 1997
Date: Sun, 13 Jul 1997 01:45:05 -0700
From: Vadim Antonov <avg@pluris.com>
To: nanog@merit.edu
randy> So, at POP X, I take in maybe 100 prefixes, with maybe 1000
randy> at some POPs. How do I build and maintain that filter list,
alan@mindvision.com (Alan Hannan) wrote:
> The same way you build and maintain routing filter lists for the
> prefixes you take in.
Bzzt. Routing filter lists are applied to routing updates. Packet
filter lists are applied to packets.
Big difference.
1000-entry packet filter will slow any existing router down to crawl,
and practically all future boxes won't do any better.
--vadim
