Multiple IPs on single interface
Jason Williard
jason at pcsafe.com
Tue Feb 15 06:17:03 UTC 2005
That worked. Thank you very much. Do you know if there is a max limit on
how many IP's can be attached to a single interface? Also, is there a way
to add an entire subnet without creating 1 file for each IP?
---
Thank You,
Jason Williard
PCSafe, Inc.
-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of IAK Tanoli
Sent: Monday, February 14, 2005 10:08 PM
To: General Red Hat Linux discussion list
Subject: Re: Multiple IPs on single interface
Modify the file as following.
DEVICE=eth0:1
ONBOOT=yes
BOOTPROTO=static
IPADDR=xxx.xxx.xxx.xxx
NETMASK=255.255.254.0
GATEWAY=xxx.xxx.xxx.xxx
HWADDR=00:00:00:00:00:00
--- Jason Williard <jason at pcsafe.com> wrote:
> Hello,
>
> I have a box with Red Hat Enterprise Linux ES
> release 3 installed on it.
> Today, I acquired 2 additional IP addresses for it.
> I can add the IP
> addresses using the following commands, but they are
> not permanent.
>
> # ifconfig eth0 add xxx.xxx.xxx.xxx netmask
> 255.255.254.0
> # ifconfig eth0:0 add xxx.xxx.xxx.xxx netmask
> 255.255.254.0
>
> As this was not making it permanent, I created 2
> files (ifcfg-eth0:0 &
> ifcfg-eth0:0:1) inside the
> /etc/sysconfig/network-scripts/ directory. The
> first file works and interface eth0:0 comes up at
> startup. However, the
> second interface stays down. Below is the content
> of the two files:
>
> ifcfg-eth0:0
> ---
> DEVICE=eth0:0
> ONBOOT=yes
> BOOTPROTO=static
> IPADDR=xxx.xxx.xxx.xxx
> NETMASK=255.255.254.0
> GATEWAY=xxx.xxx.xxx.xxx
> HWADDR=00:00:00:00:00:00
> ---
>
> ifcfg-eth0:0:1
> ---
> DEVICE=eth0:0:1
> ONBOOT=yes
> BOOTPROTO=static
> IPADDR=xxx.xxx.xxx.xxx
> NETMASK=255.255.254.0
> GATEWAY=xxx.xxx.xxx.xxx
> HWADDR=00:00:00:00:00:00
> ---
>
>
> ---
> Thank You,
> Jason Williard
> PCSafe, Inc.
>
>
>
>
>
>
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=====
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