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gabx

Member

From: Geneva, Switzerland

Registered: 2011-11-20

Posts: 212

Website

[SOLVED] network stop randomly

My network stop in a randomly fashion and can't find any reason.
My setup: systemd-networkd; dhcpcd@enps03; no avahi service

I have this line in the systemd-networkd status output when network is down:

 Could not acquire DHCPv6 lease on NDisc request: Address already in use

Here is my systemd-networkd service file:

[Match]
Name=enp3s0

[Link]
Multicast=yes

[Network]
DHCP=yes
MulticastDNS=yes

% networkctl
IDX LINK   TYPE     OPERATIONAL SETUP
  1 lo     loopback carrier     unmanaged
  2 enp3s0 ether    routable    configuring

2 links listed.

% resolvctl
Link 2 (enp3s0)
    Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6 mDNS/IPv4 mDNS/IPv6
         Protocols: +DefaultRoute +LLMNR +mDNS -DNSOverTLS DNSSEC=no/unsupported
Current DNS Server: 192.168.1.254
       DNS Servers: 192.168.1.254
     Default Route: yes

I suspect the issue has something to do with dhcpcd, but can't find the root of it.

Last edited by gabx (2025-02-20 17:05:41)

-thc

Member

Registered: 2017-03-15

Posts: 998

Re: [SOLVED] network stop randomly

You configured systemd-networkd to use it's own (internal) DHCP client - what do you need dhcpcd for?

gabx

Member

From: Geneva, Switzerland

Registered: 2011-11-20

Posts: 212

Website

Re: [SOLVED] network stop randomly

well, not sure. My box is connected to a router and get a dynamic address. I thought I need it

-thc

Member

Registered: 2017-03-15

Posts: 998

Re: [SOLVED] network stop randomly

Nope.

gabx

Member

From: Geneva, Switzerland

Registered: 2011-11-20

Posts: 212

Website

Re: [SOLVED] network stop randomly

so, shall I remove the DHCP=yes in the Network section? Or stop and mask dhcpcd@enp3s0.service ?

Thank you for your help

-thc

Member

Registered: 2017-03-15

Posts: 998

Re: [SOLVED] network stop randomly

The latter.