[olug] Two IP addresses for one nmcli command?

Dave Thacker dthacker9 at gmail.com
Mon Jun 14 17:01:52 CDT 2021


Centos 8 on a VMware VM.

I'm practicing my nmcli-fu for the exam.   I created an "extra" virtual NIC
on the VM.   It shows up as device ens161. I used nmcli like this:

nmcli connection add ifname ens161 ipv4.10.1.21.60/16 ipv4.gateway 10.1.1.1
ipv4.dns 8.8.8.8 type ethernet

I got an extra dynamic address and my requested address is secondary.   It
still works, but I'm curious how this happened.  I also wonder if RH will
think this is a good answer.

ens161: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group
default qlen 1000
   inet 10.1.0.14/16 brd 10.1.255.255 scope global dynamic noprefixroute ens161

   inet 10.1.21.60/16 brd 10.1.255.255 scope global secondary noprefixroute
ens161

Dave
-- 
Dave Thacker


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