Router with 2 internet connections
Brian A. Seklecki
bseklecki at collaborativefusion.com
Sat Mar 31 22:05:53 UTC 2007
Right. Since you can only have one default route, you'd to use static
routes out of the second interface make the decision based on
"destination IP address" (layer 3 decision making here).
To make it based on source address or some layer-4 decision, you'd need
a layer4 switch and/or BGP.
BGP is your best bet.
On Fri, 2007-03-30 at 19:09 -0700, Kevin Glick wrote:
> I've got a BSD router with two internet connections:
> dc0 (DSL) and dc1 (Cable)
> I also have an internal nic:
> rl0 (192.168.0.1)
> I've got PF setup and running nat. What I need to know is this;
> Can I easily route all outbound traffic from 192.168.0.2 - 192.168.0.250 out
> the dc1 interface, AND route traffic from 192.168.0.251 - 192.168.0.254 out
> the dc0 interface with PF and something else?
> Currently, PF redirects the traffic correctly, however, the traffic from the
> upper block goes out the default route (gateway of dc1). So the traffic
> never comes back.
> I guess the problem is that I'm sending the nat'd packets out as the IP of
> dc0, but they're being send out dc1.
> Make sense? Anybody follow this, and have a useful suggestion?
> Kevin Glick
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