It's usually not ideal but works well in a pinch/lab/etc.

I use it for testing things a lot -
layer2 is often costly - to connect three computers you could use a 
single layer 2 network (unmanaged switch, a hub, a vlan) and mix layer 3 
networks.  The performance and security tradeoffs are much too high to 
use this as a production solution (usually).  It also has the benefit of 
me not chasing around outlets and wall warts when I want to test out a 
routing protocol... :-)

layer3 networks are usually just configuration tasks. :-)


Sean Hogan wrote:
> Hmm... I did not know you could have multiple addresses on a Interface...
> 
> -Equin
> 
> -----Original Message-----
> From: "krt" <kkrrtt at gmail dot com>
> To: "Sean Hogan" <sean at perusesoftware dot net>
> Cc: m0n0wall at lists dot m0n0 dot ch
> Sent: 7/11/2007 12:06 PM
> Subject: Re: [m0n0wall] Multiple subnets
> 
> If by routing you mean that your other networks will query your m0n0wall 
> and your m0n0wall will forward the packets destined for the /29 and /27 
> to some gateway or node on your OPT1 interface, then this is no problem.
> 
> Usual static routing applies or, if you want the OPT1 interface to live 
> in the space, assign a secondary IP address to it.
> 
> If you're just using the /29 and /27 as NAT space, you don't need to do 
> much other than setup server (1:1) NATs and configure your rules 
> appropriately.
> 
> 
> 
> Sean Hogan wrote:
>> Heya everybody,
>>
>> Quick question - I am rouing a /29 and a /27 block of ips to my WAN interface... Is there  way to
route both blocks to my OPT1 interface?
>>
>> Thanks,
>> -Equin
>>
>>
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