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Re: Do you know the TCP stack? (127.x.x.x routing)

To: Jason Lunz <lunz@xxxxxxxxxxxx>
Subject: Re: Do you know the TCP stack? (127.x.x.x routing)
From: Henrik Nordstrom <hno@xxxxxxxxxxxxxxx>
Date: Thu, 10 Mar 2005 11:10:07 +0100 (CET)
Cc: linux-net@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <d0n98a$icn$1@sea.gmane.org>
References: <Pine.LNX.4.61.0503090009120.6780@filer.marasystems.com> <E1D7zBN-0004hX-00@smtp02.mrf.mail.rcn.net> <20050306173145.GQ31837@postel.suug.ch> <E1D81mg-0002rz-00@smtp01.mrf.mail.rcn.net> <m1y8d0mss2.fsf@muc.de> <3sp35g$7hpm0@smtp04.mrf.mail.rcn.net> <422C0B50.20500@mrv.com> <3sp35g$7rsc1@smtp04.mrf.mail.rcn.net> <1110288879.1050.167.camel@jzny.localdomain> <20050308135134.GA20607@atrey.karlin.mff.cuni.cz> <1110290300.1050.190.camel@jzny.localdomain> <20050308140301.GC20607@atrey.karlin.mff.cuni.cz> <1110291470.1043.211.camel@jzny.localdomain> <Pine.LNX.4.61.0503081937020.5332@filer.marasystems.com> <1110316631.1084.57.camel@jzny.localdomain> <Pine.LNX.4.61.0503090009120.6780@filer.marasystems.com> <E1D91Rz-0004wp-00@smtp01.mrf.mail.rcn.net> <1110377889.1090.124.camel@jzny.localdomain> <d0n98a$icn$1@sea.gmane.org>
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On Wed, 9 Mar 2005, Jason Lunz wrote:

interfaces. I don't know whether policy routing gives enough control to
do this in a general fashion;

Not easily. The problem is to determine which path packets you send should take if the destination is on both sides.


You can do some magics with connection tracking and CONNMARK and magic routing tables infront of the local table and disabling the martian checks, but not everything can be solved in this manner.

Regards
Henrik

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