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Hello, I think the initscripts documentation is wrong, but can we confirm.

Red Hat Documentation - https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Using_the_Command_Line_Interface.html#sec-Configuring_a_Network_Interface_Using_ifcg_Files

To configure an interface to ignore routes sent by a DHCP server, add the following line to the ifcfg file.
PEERDNS=no
This will prevent network service from updating /etc/resolv.conf with the DNS servers received from a DHCP server.

============================================
modify /etc/resolv.conf 
if peer uses msdns extension (PPP only) 
or DNS{1,2} are set, 
or if using dhclient. 


"provide DNS addresses that are dropped into the resolv.conf file if PEERDNS is not set to "no"."
This seems to indicate that, we should add dns1 and dns2 if peerdns = yes

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Its an improvement from before, for sure.
Good work.


>> By default, NetworkManager calls the DHCP client, dhclient, when a profile has been set to obtain addresses automatically, 

Can you provide more information about "how a profile is set to obtain an ip address automatically"

This update has been published on the Customer Portal:

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Editing_Network_Configuration_Files.html#sec-Configuring_a_Network_Interface_Using_ifcg_Files