Date: Thu, 26 Aug 2010 18:17:19 -0700 From: Doug Hardie <bc979@lafn.org> To: freebsd general questions <freebsd-questions@freebsd.org> Subject: Routing Question Message-ID: <96E6F9A3-49F5-4C55-8248-6D62717636DF@lafn.org>
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I have several servers with one ethernet interface. Currently it is = connected via a WAN to the internet. We are in the midst of switching = to a different provider. I would like to be able to operate with both = temporarily until all the users/services get switched. The new circuit = is in and working. I would like somehow to configure the system (I have = pf in use) to be able to detect the packets that come from a specific = router and route the return packets back through it. The other network = would be the default. PF's route_to will return the packets to the = proper router, but I have not been able to figure out which ones those = would be. The source IP address can be any on either network and its = highly likely that we will see packets from the same source network on = both at the same time. The only distinction I see in the input packets = between the two paths is the MAC address of the router. I don't see any = way in pf or the system to use that to affect the return path though.=
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