[CentOS] How to have two interfaces with dhcp using networkd but taking the dns/ntp stuff from only one

Mauricio Tavares raubvogel at gmail.com
Fri Jul 11 10:46:43 UTC 2014


On Fri, Jul 11, 2014 at 6:44 AM, Steven Tardy <sjt5atra at gmail.com> wrote:
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s1-networkscripts-interfaces.html
>
> See: PEERDNS
> (Not sure this still applies in 7)
>
      But, systemd/networkd wants to use /etc/systemd/network/ instead
of /etc/sysconfig/netowrk-scripts

>
>> On Jul 11, 2014, at 4:41 AM, Mauricio Tavares <raubvogel at gmail.com> wrote:
>>
>> Ok, we can take both but needs to be in a specific order. So, we have
>> two ethernet interfaces, A and B. And both are defined in
>> /etc/systemd/network/ to use dhcp. How to guarantee that the crap
>> provided by dhcp to A (dns, gateway, ntp) is the default? To use an
>> example, /etc/resolv.conf should end up like
>>
>> nameserver IP.for.A.DNS
>> nameserver IP.for.B.DNS
>> domain A.domain.com
>>
>> Now, this must be done using only systemd stuff
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