[Novalug] Point multiple IPs to one server?

[greg pryzby]

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You are asking about virtual ips

The ISP needs to give you the IPs.

You configure the machine (OS) to listen on the IP. You can have
multiple on a single NIC (what I think you are asking).

http://www.linode.com/wiki/index.php/Multiple_IPs


Joel Fouse wrote:
> I know that it's possible to have multiple public IP addresses pointed
> at a single server, because webhosts offer static IP as a value-add.  I
> also know that you can configure Apache vhosts to listen only to
> specific IP addresses.  What I'm missing is what's in between, if
> anything.  The point-multiple-IPs has to at least be configured external
> to the box in question (at the router/switch/whatevernetworkingblackbox
> level), but is there any configuration at the OS level to tell the box
> to actually listen to all of them?  Or does it just take in whatever's
> sent to it and Apache just slurps up whatever you've told it to?  Is
> there any limit (hard or otherwise) to the number of IPs that can be
> pointed to a single box?
> 
> If it helps target any answers, I'm partly just wanting to fill in my
> knowledge in general, and partly referring to a specific box that's
> currently on RHEL 4.
> 
> - Joel
> 
> 
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greg pryzby                              greg at pryzby dot org
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