Adding a second IP address not working

[ed.kalk]

When I added a 2nd IP through web interface, it shows up in red when viewing with "Main >> IP Functions >> Show or Delete Current IP Addresses"

I'm not sure why, but it looks like Cpanel is trying to create a sub-interface called eth0:1 for the secondary address. For some reason the ipaliases service isn't creating the interface.

What is the Proper way to add the IP address as a secondary address on the Main interface?

I'm tryong to add this second IP so that I can Migrate the Cpanel server over to a different Subnet...

Is there an easy way to do this? What am I doing wrong?

The second IP i want to add is :

216.xxx.197.18
255.255.255.248
the new gateway after migration will be:
216.xxx.197.17

this is my ifconfig -a: ( I used x to protect actual info)

root@mailserver [~]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:07:E9:xx:xx:xx
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Base address:0x2040 Memory:fe8c0000-fe8e0000

eth1 Link encap:Ethernet HWaddr 00:07:E9:xx:xx:xx
inet addr:216.xxx.197.2 Bcast:216.xxx.197.15 Mask:255.255.255.240
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:287612900 errors:0 dropped:0 overruns:0 frame:0
TX packets:382445606 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4131582767 (3940.1 Mb) TX bytes:3965045520 (3781.3 Mb)
Base address:0x2080 Memory:fe8a0000-fe8c0000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:107236894 errors:0 dropped:0 overruns:0 frame:0
TX packets:107236894 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:9421993 (8.9 Mb) TX bytes:9421993 (8.9 Mb)

[dave9000]

Go into your WHM Basic setup and make sure your Alternate Main Ethernet Device is set to eth1.

Then try to readd the ip.

[ed.kalk]

It worked.