Linux Firewalling

[william pink]

Apologies I have only done it like you say but with different WAN IP's
addresses, I wouldn't of thought what you want to do is possible with
virtual interfaces but my knowledge of routing isn't great so I
wouldn't assume it isn't possible.

Will

On 11/25/08, Longman <clug at gasops.co.uk> wrote:
> * william pink wrote:
>> I use virtual interfaces for my firewalls I am intrigued on why you
>> need physical NIC's?
>
> I use IP aliasing for configuring more than one IP on the same network
> on one NIC but I've never done this where I need to connect to lots of
> different networks - only where I've wanted to run different services on
> different IPs but not use DNAT.  If you need to connect NIC 192.168.1.1
> to router 192.168.1.2 and NIC 192.168.4.1 to router 192.168.4.2 are you
> saying rather than connecting them directly you use IP aliasing and a hub?
>
> How do I physically connect the routers 192.168.1.2 and 192.168.4.2 to
> my firewall if I'm using virtual addresses?
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