Multiple IPs on single interface
Steven Jones
Steven.Jones at vuw.ac.nz
Wed Feb 16 08:55:38 UTC 2005
Eth0:1 not eth0:0:1
Regards
Thing
-----Original Message-----
From: Jason Williard [mailto:jason at pcsafe.com]
Sent: Tuesday, 15 February 2005 6:57 p.m.
To: redhat-list at redhat.com
Subject: Multiple IPs on single interface
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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