Multiple default routes on multihome host

[Julian Elischer]

Nick Barnes wrote:
> I have a multi-home host: more than one IP address.  The addresses are
> in separate subnets but run over the same ethernet segment (this is a
> temporary situation while I switch an office network over from one
> network provider to another).
> 
> I want packets from address A1 to be sent via gateway G1, but packets
> from address A2 to be sent via gateway G2.

I'm working on this, but in the meanwhile you can do the following:

ipfw add 100 fwd G1 ip from A1 to any out xmit xx0(outgoing interface)
ipfw add 101 fwd G2 ip from A2 to any out xmit xx0

> 
> How do I do this?  Can I just have more than one default route?  I'm
> remote from the machine in question, so I don't want to tinker with
> the default route until I'm sure of the answer.
> 
> Thanks in advance,
> 
> Nick Barnes
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