Hybrid firewall/router/bridge

Kevin Jacobs jacobs@penguin.theopalgroup.com
Wed, 22 Nov 2000 11:33:38 -0500 (EST)


On Wed, 22 Nov 2000, Nils Juergens wrote:
> You might want to try auto proxy arp. Give you linux-box some
> IP-Adresses like 192.168.0.1 and 192.168.1.1. 
> 
> Enable proxy-arp with
> "echo 1 > /proc/sys/net/ipv4/conf/all/proxy_arp", 
> 
> add some routes 
> "route add -host 192.1.1.1 eth0" (router) and 
> "route add -net 192.1.1.0 netmask 255.255.255.0 eth1" (subnet) 
> 
> and enable ip forwarding with "echo 1 >
> /proc/sys/net/ipv4/ip_forward".

If I understand correctly, this should work, except that the Linux-box would
not have a public network address and could not be used to host IPsec
tunnels.  Once more my ignorance shows, so I have to ask how one would
multi-home a Linux box and if that would work in this situation.

Thanks,
-Kevin