From 8c54f7b8e46ccc4cc1f4fddcb32b3c041ab28281 Mon Sep 17 00:00:00 2001
From: Aminda Suomalainen <suomalainen@aminda.eu>
Date: Sun, 6 Jul 2025 12:15:14 +0300
Subject: [PATCH] systemd-networkd: add MDNS/LLMNR in appropiate states

---
 etc/systemd/network/10-ether.network                    | 2 ++
 etc/systemd/network/10-ether.network.d/home-static.conf | 2 ++
 etc/systemd/network/10-none.network                     | 4 ++++
 etc/systemd/network/10-wireguard.network                | 4 ++++
 etc/systemd/network/10-wlan.network                     | 2 ++
 etc/systemd/network/10-wlan.network.d/example.conf      | 2 ++
 6 files changed, 16 insertions(+)

diff --git a/etc/systemd/network/10-ether.network b/etc/systemd/network/10-ether.network
index 52130887..b69d6019 100644
--- a/etc/systemd/network/10-ether.network
+++ b/etc/systemd/network/10-ether.network
@@ -9,6 +9,8 @@ ActivationPolicy=always-up
 Unmanaged=false
 
 [Network]
+LLMNR=resolve
+MulticastDNS=resolve
 DHCP=true
 IPv6PrivacyExtensions=true
 IPv6LinkLocalAddressGenerationMode=stable-privacy
diff --git a/etc/systemd/network/10-ether.network.d/home-static.conf b/etc/systemd/network/10-ether.network.d/home-static.conf
index 546e6e9e..0b8dc34c 100644
--- a/etc/systemd/network/10-ether.network.d/home-static.conf
+++ b/etc/systemd/network/10-ether.network.d/home-static.conf
@@ -7,6 +7,8 @@ MACAddress=ff:ff:ff:ff:ff:ff
 #ActivationPolicy=always-up
 
 [Network]
+LLMNR=true
+MulticastDNS=true
 # /24, /16, /8 are the the class C, B, A networks
 Address=192.168.0.2/24
 Gateway=192.168.0.1
diff --git a/etc/systemd/network/10-none.network b/etc/systemd/network/10-none.network
index 6c9a4827..70eb70f4 100644
--- a/etc/systemd/network/10-none.network
+++ b/etc/systemd/network/10-none.network
@@ -4,3 +4,7 @@ Type=none
 
 [Link]
 Unmanaged=true
+
+[Network]
+LLMNR=false
+MulticastDNS=false
diff --git a/etc/systemd/network/10-wireguard.network b/etc/systemd/network/10-wireguard.network
index ae87f930..8dd7affd 100644
--- a/etc/systemd/network/10-wireguard.network
+++ b/etc/systemd/network/10-wireguard.network
@@ -3,3 +3,7 @@ Type=wireguard
 
 [Link]
 Unmanaged=true
+
+[Network]
+LLMNR=false
+MulticastDNS=false
diff --git a/etc/systemd/network/10-wlan.network b/etc/systemd/network/10-wlan.network
index 3f353b6d..170775f9 100644
--- a/etc/systemd/network/10-wlan.network
+++ b/etc/systemd/network/10-wlan.network
@@ -9,6 +9,8 @@ ActivationPolicy=always-up
 Unmanaged=false
 
 [Network]
+LLMNR=true
+MulticastDNS=true
 DHCP=true
 IPv6PrivacyExtensions=true
 IPv6LinkLocalAddressGenerationMode=stable-privacy
diff --git a/etc/systemd/network/10-wlan.network.d/example.conf b/etc/systemd/network/10-wlan.network.d/example.conf
index 712275b3..6e4c26d0 100644
--- a/etc/systemd/network/10-wlan.network.d/example.conf
+++ b/etc/systemd/network/10-wlan.network.d/example.conf
@@ -2,6 +2,8 @@
 SSID=ExampleSSID_nomap BusinessSSID_nomap
 
 [Network]
+LLMNR=true
+MulticastDNS=true
 DHCP=false
 Address=10.1.2.3/8
 Gateway=10.0.0.1