Mint 18.3 xfce not resolving LLMNR

[frugelhorn]

My understanding of the systemd resolver was that it should be able to resolve names via LLMNR, however this does not work for me.

If a ping a device's name (which I know to respond to LLMNR requests), this fails. However if I do:

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systemd-resolve <devicename>

This resolves correctly and returns the IP.

I also noticed that systemd-resolved is not running from boot.

So it seems like it might be a config issue. Following a suggestion elsewhere I tried changing the nsswitch.conf hosts: line
from:

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files mdns4_minimal [NOTFOUND=return] dns

to:

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files resolve [!UNAVAIL=return] mdns4_minimal [NOTFOUND=return] dns

but no joy.

So why might ping not be using the systemd resolver? Any help appreciated.

(Posted in Wireless forum, but the same behavior is seen on a wired network)