[CentOS] NetworkManager updating resolv.cfg

Thu Jun 21 12:14:08 UTC 2018
peter.winterflood <peter.winterflood at ossi.co.uk>



On 21 June 2018 12:13:02 "anax" <anax at ayni.com> wrote:

> Hi Shagun
> check your settings of PEERDNS and IPV6_PEERDNS...
>
> suomi
>
> On 06/21/2018 08:33 AM, Maheshwari, Shagun wrote:
>> Hi,
>>
>> I am facing issue stoping NetworkManager to update resolv.cfg, I am using 
>> below configuration for eth0 interface:
>>
>> TYPE=Ethernet
>> BOOTPROTO=dhcp
>> DEFROUTE=yes
>> IPV4_FAILURE_FATAL=no
>> IPV6INIT=yes
>> IPV6_AUTOCONF=yes
>> IPV6_DEFROUTE=yes
>> IPV6_FAILURE_FATAL=no
>> IPV6_ADDR_GEN_MODE=stable-privacy
>> NAME=eth0
>> UUID=93b90a46-dab5-4a67-8fd0-fefe8874a8b9
>> DEVICE=eth0
>> ONBOOT=no
>> PEERDNS=no
>> PEERROUTES=yes
>> IPV6_PEERDNS=yes
>> IPV6_PEERROUTES=yes
>> DNS1=<ipv4 address>
>> DNS2=<ipv6 address>
>>
>>
>> Also, added dns=none in NetworkManager.conf file.
>>
>> Whenever I am restarting NetworkManager, resolv.cfg gets updated and only 
>> ipv4 nameserver is displaced, whether I am expecting both the ips (ipv6 and 
>> ipv4 address to be present in resolv.cfg file.
>>
>> Any suggestion here, how to achieve that??
>>
>> Regards,
>> Shagun
>> _______________________________________________
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>> CentOS at centos.org
>> https://lists.centos.org/mailman/listinfo/centos
>>
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I think this was a bug in 7.2 have you updated your rpms. Peerdns ignored.
Regards peter

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