From ec9ec7fa3aa7dee60175eb5fc4d248c670d143ab Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 13 Oct 2025 11:42:25 +0200
Subject: [PATCH] network: make use of LocalLeaseDomain= by default

Let's expose local VMs/containers under ._dhcp by default. Let's also
expose WIFI AP clients under .home.arpa (i.e. the RFC8375 domain for
home networks).
---
 network/80-container-ve.network     | 1 +
 network/80-container-vz.network     | 1 +
 network/80-namespace-ns-tun.network | 1 +
 network/80-namespace-ns.network     | 1 +
 network/80-vm-vt.network            | 1 +
 network/80-wifi-ap.network.example  | 3 +++
 6 files changed, 8 insertions(+)

diff --git a/network/80-container-ve.network b/network/80-container-ve.network
index a70a24cbcb..7d27b46920 100644
--- a/network/80-container-ve.network
+++ b/network/80-container-ve.network
@@ -30,3 +30,4 @@ IPv6SendRA=yes
 
 [DHCPServer]
 PersistLeases=runtime
+LocalLeaseDomain=_dhcp
diff --git a/network/80-container-vz.network b/network/80-container-vz.network
index 09eadf48db..95c68943a1 100644
--- a/network/80-container-vz.network
+++ b/network/80-container-vz.network
@@ -29,3 +29,4 @@ IPv6SendRA=yes
 
 [DHCPServer]
 PersistLeases=runtime
+LocalLeaseDomain=_dhcp
diff --git a/network/80-namespace-ns-tun.network b/network/80-namespace-ns-tun.network
index 658eac88d8..091c3861b1 100644
--- a/network/80-namespace-ns-tun.network
+++ b/network/80-namespace-ns-tun.network
@@ -30,3 +30,4 @@ IPv6SendRA=yes
 
 [DHCPServer]
 PersistLeases=runtime
+LocalLeaseDomain=_dhcp
diff --git a/network/80-namespace-ns.network b/network/80-namespace-ns.network
index 2fb422a8bb..a8057be08f 100644
--- a/network/80-namespace-ns.network
+++ b/network/80-namespace-ns.network
@@ -30,3 +30,4 @@ IPv6SendRA=yes
 
 [DHCPServer]
 PersistLeases=runtime
+LocalLeaseDomain=_dhcp
diff --git a/network/80-vm-vt.network b/network/80-vm-vt.network
index cb96806439..f0916ca798 100644
--- a/network/80-vm-vt.network
+++ b/network/80-vm-vt.network
@@ -29,3 +29,4 @@ IPv6SendRA=yes
 
 [DHCPServer]
 PersistLeases=runtime
+LocalLeaseDomain=_dhcp
diff --git a/network/80-wifi-ap.network.example b/network/80-wifi-ap.network.example
index 09de9192d7..1fe4ea961c 100644
--- a/network/80-wifi-ap.network.example
+++ b/network/80-wifi-ap.network.example
@@ -19,3 +19,6 @@ DHCPServer=yes
 IPMasquerade=both
 IPv6AcceptRA=no
 IPv6SendRA=yes
+
+[DHCPServer]
+LocalLeaseDomain=home.arpa