Systemd/network/80-vm-vt.network

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SYSTEMD

# SPDX-License-Identifier: LGPL-2.1-or-later
#
# 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
IPv6SendRA=yes