[Novalug] Point multiple IPs to one server?

[Ed James]

Basically, ya wanna bind multiple IP addys to a single NIC? If so,
perhaps this might help:

     
http://www.xenocafe.com/tutorials/linux/redhat/bind_multiple_ip_addresses_to_single_nic/index.php

Ed James

Quoting Joel Fouse <joel at fouse.net>:

> 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
>