Date: Fri, 24 Jul 2009 17:40:43 +0400 From: Vladimir Grebenschikov <vova@fbsd.ru> To: Julian Elischer <julian@elischer.org> Cc: freebsd-net@freebsd.org, Jamie Ostrowski <jamie.ostrowski@gmail.com>, "Lucian@lastdot.org" <lucian@lastdot.org> Subject: Re: How to change default source address? Message-ID: <1248442843.1678.36.camel@localhost> In-Reply-To: <4A69B6D7.3080501@elischer.org> References: <5a3c8f450907230757j21191a11n6cae4699ec8a76e1@mail.gmail.com> <29ae62fc0907232114r2afb9dc8y966a22db6d3236bc@mail.gmail.com> <4A693DE2.3050905@elischer.org> <1248433706.1678.13.camel@localhost> <4A69B6D7.3080501@elischer.org>
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> >> you could set up 2 routing tables and assign different apps to use > >> different tables > > > > Is it possible to select routing table by ipfw setfib X ? > > > > someting like: > > > > ipfw add setfib 1 ip from a.b.c.d to any out xmit em0 > > setfib 1 route add default 10.10.10.1 > > no that wouldn't work for 2 reasons. > 1/ for local sockets, the routing decision is made already before it > gets to the firewall > 2/ for non-ocal packets (from another machine that you are routing) > the packet needs to be tested on the recv (in) side of things > but by then the sending machine has aready decided on a local address too. Not nice. I have a dream, that fbsd now capable to do real multi-fib routing :( What about ipfw fwd ? That was working years ago for me, but of course, requires to put all custom routing entries into ipfw rules. What about binding of FIBs to local addresses or/and interfaces ? Such way that kernel will decide what fib to use examining local IP address of package ? -- Vladimir B. Grebenschikov vova@fbsd.ru
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