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systemd/network/80-vm-vt.network
Yu Watanabe b5610d6360 network: use PersistLeases=runtime on container/VM/namespace network interfaces
Follow-up for 9ccc369ff3.

Then, we can safely restart networkd or reconfigure the interface.
2025-06-14 03:46:24 +09:00

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776 B
SYSTEMD

# SPDX-License-Identifier: MIT-0
#
# This config file is installed as part of systemd.
# It may be freely copied and edited (following the MIT No Attribution license).
#
# To make local modifications, use "networkctl edit". See networkctl(1) for details.
# 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]
Kind=tun
Name=vt-*
[Link]
RequiredForOnline=no
[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
IPv6AcceptRA=no
IPv6SendRA=yes
[DHCPServer]
PersistLeases=runtime