Alex Pilosov wrote:
> You don't need to know the interface. You must route based on the source
> IP. I.E:
>
> ISP A ISP B
> \ /
> ra rb
> \ /
> your router
> |
> |
> |
> (local)
>
> (ra and rb are respectively edge routers on ISP A and B's end connected to
> you).
>
> Note: On local network, you'll be essentially having two logical
> networks (different IPs, subnet, etc) on the same wire. Its not clean, but
> its perfectly supported.
>
> Now, assume you have IPs 11.1.1.* from ISP B, and 11.1.2.* from ISP B. You
> configure both IPs to machines on your 'local' network, and have something
> like this on the router:
> ipfw from 11.1.1.0 fwd ra
> ipfw from 11.1.2.0 fwd rb
this will do what you want for OUTGOING packets.
incoming packets will probably all come in on one network.
BTW you could do a more general rule by:
ipfw add 3 from any to 0.0.1.0:0.0.1.0 fwd ra out xmt ed0
ipfw add 4 from any to any fwb rb out xmt ed0
(if ed0 was the default)
>
> If this is not what you wanted to accomplish, please correct me.
>
> --
> --
> Alex Pilosov | http://www.acecape.com/dsl
> CTO - Acecape, Inc. | AceDSL:The best ADSL in Bell Atlantic area
> 325 W 38 St. Suite 1005 | (Stealth Marketing Works! :)
> New York, NY 10018 |
>
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