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.
This commit is contained in:
Marc-André Lureau 2020-04-16 13:05:32 +02:00 committed by Lennart Poettering
parent 3db1c62d22
commit affb59e6a2
2 changed files with 25 additions and 0 deletions

24
network/80-vm-vt.network Normal file
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@ -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

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@ -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',