WRONG IP ADDRESS - IFCONFIG

[marjan.sayyad]

Hello Everyone,
I have installed CentOS 8. Then I have installed Nagios core on it. I installed it on Vmware 6.5 in my company.
After complete installation of OS and Nagios Core I noticed "ifconfig -a" is showing IP address different than I saved in /etc/sysconfig/network-script/ifcfg-ens192. I gave static IP address on ifcfg0ens192 file.
The problem is "ifconfig -a" is showing one of our dhcp Ip that our user workstation is using.

The thing is both IP address are working on http://IPAddress/nagios without any issue.
I will appreciate if someone can help me why is it showing wrong IP Address.
Thanks,
Marjan

 

[smtalk]

Don't you see all the addresses in in "ip a" ?

 

[marjan.sayyad]

Don't you see all the addresses in in "ip a" ?

Hi smtalk,
Thanks for your answer. Yes. when I type "ip a", I see both IP Addresses. the static Ip which I gave in ifcfg-ens192 and the wrong dhcp IP address is showing which this command.
What is it? does system need this IP? if not how can I remove it?
More Appreciated,
Marjan

 

[smtalk]

It's hard to say, it depends on network configuration You may change ens192 configuration to static IP if it should work there.

 

[marjan.sayyad]

“Ip a” is showing both IPs. When I remove “ip addr del IP address”, it removes it, but after restarting machine, it shows up again.

It's hard to say, it depends on network configuration You may change ens192 configuration to static IP if it should work there.

As you see in ifcfg-ens file, I only gave one static IP, but "ip a" is showing 2 IPs.( Please see the attachments)
Under the DHCP Ip address, time is decreasing. It seems like it is a temporary Ip Address.
Even when I remove the temporary dhcp IP with this command, “ip addr change IP address” and change valid life time to a lower number like 10 seconds, After 10 seconds it removes it, but after restarting machine, it shows up again.

I found this link: https://access.redhat.com/discussions/3206861 and did " omit_dracutmodules+="ifcfg" ", but it did not work.
Is the any other file can I check if my system set up to get dhcp IP from it, I can check and fix?

When I installed centos on physical machine, using same CentOS ISO file "CentOS-8.2.2004-x86_64-minimalCentOS-8.2.2004-x86_64-minimal", I did not have this issue. Is it possible on VMs, it creates temporary IP Address?

Your help is really appreciated!!!