Ray Hauge wrote:
> Hello everyone,
> 
> I have been looking for some information on sub interfacing a network 
> card.  I know the card can handle it because there is already eth0:0, 
> eth0:1, and eth0:2, I just haven't done this before.
> 
> Thanks,
> Ray
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> 


Easy way: ifconfig eth0:5 123.34.56.78 netmask 255.255.255.0 up
(I chose :5 just because - it can be any number.  I also choce a bogus 
IP address.)

Unfortunately, if you want to make it survive a reboot, or a network 
init script invocation, you need to add it to the distribution-specific 
network configurations.  Debian is different that RH/Mandrake.

Just in case you are using RH:
cd /etc/sysconfig/networl-scripts
cp ifcfg-eth0 ifcfg-eth0:5
vi ifcfg-eth0:5
Change it as shown:
DEVICE=eth0:5
BOOTPROTO=static
BROADCAST=123.34.56.255
IPADDR=123.34.56.78
NETMASK=255.255.255.0
NETWORK=123.34.56.0
ONBOOT=yes
TYPE=Ethernet

(replace the 123.34.56 stuff with your IP you are binding to the NIC.)
:wq
service network restart

you are done.

Cheers!

George Toft, CISSP, MSIS
AGD,LLC
www.agdllc.com
623-203-1760
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