NICs on a virtualization box

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Author: Keith Smith via PLUG-discuss
Date:  
To: Main PLUG discussion list
CC: techlists
Subject: NICs on a virtualization box

Hi,
I'm wondering how VPS servers are configured. I have a VPS with a
dedicated IP. I assume I share a box that has a number of virtual
machines and I assume each VPS has a dedicated IP.

This is a hardware question. I assume the box has at least 2 network
cards. So lets say the server has 20 VPS on it and each has a dedicated
IP. Does the box need a NIC for each IP or does the box have NIC cards
that can service/route multiple IPs?

I have a Dell consumer grade mini tower computer with a single NIC which
is built into the motherboard. I assume that NIC can only service one
IP address, is that correct or can I install virtualization software on
this computer and use the NIC for multiple IP's?

Did I just open a can of worms?

Thanks in advance for your wisdom.
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