On 11.02.2014 12:37, Gaurav Aradhye wrote:
Hello all,
I am trying to add network interface file for a secondary IP through
code.
The simplest way would be copying the file for the primary IP and
changing
required values accordingly.
But it seems that as the boot protocol value is DHCP, the values such
as
ipaddress, netmask, gateway are not stored in the ifcfg-eth0 file. Are
these values not stored anywhere on the VM?
Also, what would be other way to add network interface file for
secondary
IP? I believe CloudStack doesn't do this itself after acquiring
secondary
IP.
Regards,
Gaurav
Gaurav,
It's not ACS's job to the set the 2nd IP on the VM. You can easily do
it from within. This is sysadmin job.
The "easiest", but not standard way of doing it is just adding
something like this in rc.local:
ip a a 1.2.3.4/32 dev eth0
The better way to do it is just create another ifcfg file (assuming
RHEL/CentOS) that looks like this:
DEVICE=eth0:1
IPADDR=1.2.3.4
PREFIX=32
ONBOOT=yes
HTH
Lucian
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