Multiple IPs
Thomas Kaiser
thomas at kaiser.linux-site.net
Wed Jan 19 22:34:39 UTC 2005
I do it like this in /etc/network/interfaces :
auto eth0:0 # to start at boot
iface eth0:0 inet static
address 192.168.0.1
netmask 255.255.255.0
auto eth0:1 # to start at boot
iface eth0:0 inet static
address 192.168.1.1
netmask 255.255.255.0
auto eth0:3 # to start at boot
iface eth0:0 inet static
address 192.168.3.1
netmask 255.255.255.0
Mybe the next example does also work, but I never tried:
auto eth0:3 # to start at boot
iface eth0:4 inet dhcp
Regards, Thomas
Pierfrancesco Caci wrote:
> :-> "Ben" == Ben Hodgson <ubuntu-list at blahpro.com> writes:
>
> > Hi,
> > How can I add multiple IPs to one physical ethernet card? I tried using the
> > built-in tool in webmin (i.e to create a virtual interface) but it just
> > wrecked
> > all the network settings and rendered the machine network-blind.
>
> ip addr add x.x.x.x dev eth0
>
> (needs the iproute package that I don't remember if it's installed by
> default in ubuntu)
>
> or you can use aliases
>
> ifconfig eth0:1 ....
>
>
>
> > Is there a config file I can edit? (or, what config file can I edit, lol)
>
>
> I usually add an "up" line in /etc/network/interfaces doing the above
> command:
>
>
> iface eth0 inet static
> address x.y.z.114
> netmask 255.255.255.248
> gateway x.y.z.113
> up ip addr add 192.168.1.2/24 dev eth0
> down ip addr del 192.168.1.2 dev eth0
>
>
>
> the iproute tools are explained in the "Linux Advanced Routing and
> Traffic Control HOWTO" (http://lartc.org/)
>
> Pf
>
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