RE: [cobalt-users] anonymous ftp on raq 4I

[Gerald Waugh <gerald@xxxxxxxxx>]

On Fri, 01 Feb 2002, Phil Beynon wrote:
> OK - when I set this thing up it got plugged in and the IP number that the
> ISP wanted it to use was fed in the front and has subsequently been used for
> each virtual site. So please explain what this has to do with the address of
> the ethernet card, I'm quite willing to learn.........

If you look at /etc/sysconfig/network-scripts/ifcfg-eth0
and /etc/sysconfig/network
you will see that when you plugged in your IP there were other things going on.
If you were to put some of your virtual sites on another IP there would then be
a file called /etc/sysconfig/network-scripts/ifcfg-eth0:1
and if you used a third IP there would be ifcfg-eth0:2 and so on.
These files tell the ethernet card driver which IP addresses it is rsponsible
for.
Eventualy these IP addresses get to the router (physical or logical) and then
the router knows which IP addresses belong to which NIC card MAC address
The MAC Address is the NIC card hardware number.

You migtht run "/sbin/ifconfig" and "/sbin/route -n" to see how your network is
configured.

-- 
Gerald Waugh
Registered Linux User 255245
register at http://counter.li.org