From owner-freebsd-net  Tue Jul 18 12:18:25 2000
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From: "Cyril A. Vechera" <cyril@main.piter.net>
To: "Garrett Wollman" <wollman@khavrinen.lcs.mit.edu>
Cc: <freebsd-net@FreeBSD.ORG>
Subject: Re: some kind of policy rounting with large table needed
Date: Tue, 18 Jul 2000 23:15:29 +0400
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So, no easy way?

I guess it sould be made on netgraph
with some kind of kernel-type rt_lookup.

Maybe someone has more mobile routines
for ip subnet lookup that are in kernel?


From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Date: 18 ÉÀÌÑ 2000 Ç. 20:22

><<On Tue, 18 Jul 2000 19:45:49 +0400, "Cyril A. Vechera"
<cyril@main.piter.net> said:
>
>> Is there way to make source address based routing/port
>> forwarding for large tables - about 50K subnets with different
>> sizes.
>
>Without question you need a Real Data Structure.  Probably in order to
>perform acceptably you will need a kernel cache (similar to how the
>multicast code, which also examines both addresses, does it) which you
>can refill as needed from a user process.





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