Re: ifcfg-ethX voodoo for a second IP on the same interface
- From: Tommy Pham <tommyhp2@xxxxxxxxx>
- Date: Fri, 20 Apr 2012 21:55:22 -0700
On Fri, Apr 20, 2012 at 9:34 PM, Ed Greshko <Ed.Greshko@xxxxxxxxxxx> wrote:
On 04/21/2012 11:20 AM, Sam Varshavchik wrote:
For testing purposes I need to add a second IP address to eth0.
eth0 is managed by NetworkManager, and uses dhcp.
I know that if I get rid of NetworkManager and put static IP addresses in
ifcfg-eth0, I can also sprinkle some magic dust into ifcfg-eth0:1, and have the
second IP address come up together with the first one.
This does not seem to work with a NetworkManager-managed DHCP-based interface.
Basically, is there some voodoo I can throw in a file somewhere that would perform
the equivalent of:
ip addr add 192.168.0.5 dev eth0 label eth0:1
when eth0 comes up via DHCP, by NetworkManager?
Well..... I think you can only do this with static IP addresses....
But, all you have to do is modify /etc/sysconfig/network-scripts/ifcfg-whatever to have
IPADDR0=192.168.0.225
IPADDR1=192.168.0.226
for example....
Then you'd see...
2: p2p1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:36:bf:b0 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.225/24 brd 192.168.0.255 scope global p2p1
inet 192.168.0.226/24 brd 192.168.0.255 scope global secondary p2p1
inet6 fe80::a00:27ff:fe36:bfb0/64 scope link
valid_lft forever preferred_lft foreve
--
Never be afraid to laugh at yourself, after all, you could be missing out on the joke
of the century. -- Dame Edna Everage
Then the documentation [1] is either wrong or did I completely read it wrong?
[1] http://docs.fedoraproject.org/en-US/Fedora/16/html/System_Administrators_Guide/s2-networkscripts-interfaces-alias.html
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