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authorMarc-André Lureau <marcandre.lureau@redhat.com>2020-04-16 13:05:32 +0200
committerLennart Poettering <lennart@poettering.net>2020-04-17 19:15:00 +0200
commitaffb59e6a2c37281beddeb5c0dfdb65fcf28cb21 (patch)
tree0c885e23aa52ebe925af3f2bfceaeef3e4a46604 /network
parentman/systemd-service: clarify env variable expansion (diff)
downloadsystemd-affb59e6a2c37281beddeb5c0dfdb65fcf28cb21.tar.xz
systemd-affb59e6a2c37281beddeb5c0dfdb65fcf28cb21.zip
network: add TUN/TAP vt-* network rule for VMs
VM typically use a TAP device, and work similarly to a veth device from the host side.
Diffstat (limited to 'network')
-rw-r--r--network/80-vm-vt.network24
-rw-r--r--network/meson.build1
2 files changed, 25 insertions, 0 deletions
diff --git a/network/80-vm-vt.network b/network/80-vm-vt.network
new file mode 100644
index 0000000000..4144034cde
--- /dev/null
+++ b/network/80-vm-vt.network
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: LGPL-2.1+
+#
+# This file is part of systemd.
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+
+# This network file matches vt-* TUN/TAP devices and applies a similar
+# configuration as ve-* to provide NAT/DHCP to VMs.
+
+[Match]
+Name=vt-*
+Driver=tun
+
+[Network]
+# Default to using a /28 prefix, giving up to 13 addresses per VM.
+Address=0.0.0.0/28
+LinkLocalAddressing=yes
+DHCPServer=yes
+IPMasquerade=yes
+LLDP=yes
+EmitLLDP=customer-bridge
diff --git a/network/meson.build b/network/meson.build
index 544dcf4387..99a650eac3 100644
--- a/network/meson.build
+++ b/network/meson.build
@@ -4,6 +4,7 @@ if conf.get('ENABLE_NETWORKD') == 1
install_data('80-container-host0.network',
'80-container-ve.network',
'80-container-vz.network',
+ '80-vm-vt.network',
'80-wifi-adhoc.network',
'80-wifi-ap.network.example',
'80-wifi-station.network.example',