I have not implemented this my self but I have read that Haproxy, a load balancer, can do this as well. Haproxy will send the reply using the interface where the requests came from.
Holden On Jul 2, 2016 1:37 PM, "Michael Tinsay" <[email protected]> wrote: > Thank you for the info fooler. > > I get what you're saying about policy-based routing, but isn't that > applicable only to connections initiated by the server? Can policy-based > routing also do "All connections initiated externally and coming through > the router ip address so-and-so goes through that router"? > > > ------------------------------ > *From:* fooler mail <[email protected]> > *To:* Michael Tinsay <[email protected]>; Philippine Linux Users' Group > (PLUG) Technical Discussion List <[email protected]> > *Sent:* Saturday, 2 July 2016, 11:33 > *Subject:* Re: [plug] Recognizing traffic from multiple gateways > > that is correct because traffic came from router A and B use the main > routing table... your solution is to use policy based routing.... > create additional two routing table aside from the default or main > routing table.. for incoming traffic for A or B.... mark or tag it ... > upon out going.. your policy rule state that packet tag for A goes to > gateway of A and tag for B goes to gateway of B.. non tag packets > goes to the main routing table's default gateway... > > fooler. > > > > On Thu, Jun 30, 2016 at 3:05 AM, Michael Tinsay <[email protected]> > wrote: > > Ooops... My bad. I sent the email without putting a subject. Please > reply > > to this one instead. > > > > > > ________________________________ > > From: Michael Tinsay <[email protected]> > > To: "Philippine Linux Users' Group (PLUG) Technical Discussion List" > > <[email protected]> > > Sent: Thursday, 30 June 2016, 15:03 > > Subject: > > > > Hi. > > > > Have a question for the tcp/ip experts here. > > > > I recently had to split my various DSL lines between 2 routers. So > Router A > > have 3 lines connected to it while Router B has 2. I now have a server > who > > will be receiving external traffic through these servers via port > > forwarding. As I understand it, without any additional configuration the > > server will send outside-bound traffic through via the default route. As > > such, if Router A is the default route for the server, even if the > traffic > > came from Router B the responses will be sent via Router A. > > > > If this is correct, what do I need to set up to have the server recognize > > which traffic is coming from which router and send its responses to the > > proper router accordingly? > > > > TIA! > > > > > > --- mike t. > > > > > > > > > _________________________________________________ > > Philippine Linux Users' Group (PLUG) Mailing List > > http://lists.linux.org.ph/mailman/listinfo/plug > > Searchable Archives: http://archives.free.net.ph > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph > > > > > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph >
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