Re: Hardware Requirements for Multiple IPs

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On Wed, 5 Nov 2003, Robert L Cochran wrote:

> I was recently issued a second IP address of bbb.bbb.bbb.bbb through my 
> ISP. This is over DSL. I just want to clarify an issue with delivery of 
> data on this IP address. I will get data for this IP through the same 
> phone line and the same DSL modem that I presently have, is this right 
> right?
> 
> I currently have a Red Hat 9-based firewall computer which successfully 
> routes data between my first IP address (aaa.aaa.aaa.aaa) and the 
> internal home network. It is an old computer that has 2 ethernet cards 
> installed on it. Do I need to change my kernel routing table on that 
> machine to accomodate the new IP, or do I need a 3rd ethernet card in 
> addition to routing table changes and firewall script changes?
> 
> Thanks for your advice. I do not often do this sort of thing so I'm 
> inexperienced.

You don't actually need any additional hardware.  Just use the "ip" 
command to use the additional IP on the same ethernet interface. 
-- 
Mike Burger
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