Problems configuring gateway/firewall with static IP addresses

[Ed Greshko]

Ed Greshko wrote:
> I wrote....
> 
>> 1.  Assuming eth0 is the Internet facing interface you need to change
>> its IP address as well as its netmask.
>>
>> IPADDR=141.161.111.1
>> NETMASK=255.255.255.252
>> BROADCAST=141.161.111.3
> 
> That was only an example.  The important thing is that the netmask needs
> to be 255.255.255.252 which gives you only 4 IP address on that
> interface and of these only 2 are usable as the others are the network
> address and the broadcast address.
> 
> You could have...
> IPADDR=141.161.111.242  for eth0
> IPADDR=141.161.111.241  for 141.161.185.38 interface
> Broadcast=141.161.111.243
> Network=141.161.111.240

Forgot to mention that in this case eth1 needs to be changed as well as
default gateways...but I think that was obvious.  However, I forget that
what is obvious to me may not be obvious to others so it is better to
mention it....even if it is an afterthought and increases traffic.  :-)


-- 
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