to 12.6.2025 klo 6.05 Russell Coker ([email protected]) kirjoitti: > > Package: dhcpcd > Version: 1:10.1.0-11 > Severity: normal > > I connect to a network and immediately run "resolvectl" and see the following: > > Link 3 (wifi) > Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6 > Protocols: +DefaultRoute +LLMNR -mDNS -DNSOverTLS > DNSSEC=no/unsupported > Current DNS Server: 192.168.0.17 > DNS Servers: 192.168.0.17 > DNS Domain: REDACTED > Default Route: yes > > I run it again a couple of seconds later and that is gone. I add it again > manually with the command "resolvectl dns wifi 192.168.0.17" and it is good > for a second or two and then goes away again. The only way I can keep it > going is using watch(1) to repeatedly run resolvectl to keep adding it back > as dhcpcd keeps removing it. It was not obvious that dhcpcd was doing this > in the background. Also it doesn't happen on all networks for unknown > reasons, it seems to happen with isc-dhcp-server but not with kea but I have > a small sample size. > > dhcpcd should do at least one of the following: > > 1) Take the same DNS data from dhcp as network-manager and use the same > settings. > 2) Realise that something else configured an interface and do nothing with it. > 3) Not be run by default on all interfaces.
dhcpcd-base does nothing by itself. It has to be triggered by a line in /etc/network/interfaces, and network-manager knows how to skip interfaces that are mentioned there. Martin-Éric

