2 Nic on same subnet.
sarath at linuxtechs.net
Tue Jun 21 19:11:03 GMT 2005
Stephan Weaver wrote:
> Hello All,
> I am trying to place my network behind a firewall [FreeBSD BASED].
> What i have Done!
> I have 2 Nic in the BSD PC.
> vr0, vr1.
> Both on the same subnet eg.
> vr0 - 192.168.0.1 , vr1 - 192.168.0.2.
> I Plug the Ethernet Cable From the DSL modem Into my vr0 interface.
> I Plug the Ethernet Cable from the SWITCH into my vr1 interface.
> I am running ipnat as follows.
> map vr0 192.168.0.0/24 -> 0.0.0.0/32 proxy port ftp ftp/tcp
> map vr0 192.168.0.0/24 -> 0.0.0.0/32 portmap tcp/udp 40000:60000
> map vr0 192.168.0.0/24 -> 0.0.0.0/32
> Here are some messages i get from my /var/log/messages.
> Jun 20 22:47:36 pizzaboys kernel: arp: 192.168.0.198 is on vr0 but got
> reply from 00:08:74:4f:57:c5 on vr1
> Thank You, Stephan Weaver
> stephanweaver at hotmail.com
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You must delete the routes for the network from both interfaces and add
individual host routes to the interfaces. Suppose you have a cable
modem on vr0 add a host route for that Ip and assign it to vr0 interface
and add the rest of the hosts in your lan in vr1 interface. Or you can
choose a different network or subnet the same ip block
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