network/80-vm-vt.network


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# SPDX-License-Identifier: CC0-1.0
#
# This config file is installed as part of systemd.
# It may be freely copied and edited (following the Creative Commons Zero v1.0 Universal License).
#
# To make local modifications, one of the following methods may be used:
# 1. add a drop-in file that extends this file by creating the
#    /etc/systemd/network/80-vm-vt.network.d/ directory and creating a
#    new .conf file there.
# 2. copy this file into /etc/systemd/network or one of the other paths checked
#    by systemd-networkd and edit it there.
# This file should not be edited in place, because it'll be overwritten on upgrades.

# 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=both
LLDP=yes
EmitLLDP=customer-bridge
IPv6SendRA=yes