[Pkg-utopia-maintainers] Bug#960942: Bug#960942: network-manager: only (undocumented) numeric values work for connection.mdns

[Michael Biebl]

Am 18.05.20 um 18:02 schrieb David Bremner:
> Package: network-manager
> Version: 1.24.0-1
> Severity: normal
> 
> In order to get MulticastDNS working with nm and systemd-resolved, I had to set
> 
> connection.mdns=1   # for 'resolve'
> connection.mdns=2   # for 'yes'
> 
> I'm not sure if I missed something about the config file format. From
> the documentation it seemed that

Which documentation?

> connection.mdns=yes
> 
> should work, but it did not (i.e. resolvectl status did not show MDNS
> enabled, and resolvectl query foo.local fails)

man 5 nm-settings [1] has


>        │mdns                 │ int32                                │ -1            │ Whether mDNS is enabled for            │
>        │                     │                                      │               │ the connection. The permitted          │
>        │                     │                                      │               │ values are: "yes" (2)                  │
>        │                     │                                      │               │ register hostname and                  │
>        │                     │                                      │               │ resolving for the connection,          │
>        │                     │                                      │               │ "no" (0) disable mDNS for the          │
>        │                     │                                      │               │ interface, "resolve" (1) do            │
>        │                     │                                      │               │ not register hostname but              │
>        │                     │                                      │               │ allow resolving of mDNS host           │
>        │                     │                                      │               │ names and "default" (-1) to            │
>        │                     │                                      │               │ allow lookup of a global               │
>        │                     │                                      │               │ default in                             │
>        │                     │                                      │               │ NetworkManager.conf. If                │
>        │                     │                                      │               │ unspecified, "default"                 │
>        │                     │                                      │               │ ultimately depends on the DNS          │
>        │                     │                                      │               │ plugin (which for                      │
>        │                     │                                      │               │ systemd-resolved currently             │
>        │                     │                                      │               │ means "no"). This feature              │
>        │                     │                                      │               │ requires a plugin which                │
>        │                     │                                      │               │ supports mDNS. Otherwise the           │
>        │                     │                                      │               │ setting has no effect. One             │
>        │                     │                                      │               │ such plugin is                         │
>        │                     │                                      │               │ dns-systemd-resolved.     

which seems consistent with what you did.

[1]
https://manpages.debian.org/buster/network-manager/nm-settings.5.en.html
unfortunately has broken formatting

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