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systemd/network/80-container-ve.network
Lennart Poettering 658169e6d3 network: take explicit ownership of our own interfaces
This is a follow-up for #30786 and uses it to assign
ID_NET_MANAGED_BY=io.systemd.Network to all all network interfaces that
we consider ours to manage. This should hopefully have the effect that
other well-behaving managers won't fight for these devices.

This doesn't bother with network interfaces we match inside containers,
since udev is not available there anyway.
2024-01-10 19:56:43 +00:00

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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, 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-container-ve.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 the host-side of the virtual Ethernet link
# created by systemd-nspawn's --network-veth switch. See systemd-nspawn(1) for
# details.
[Match]
Kind=veth
Name=ve-*
[Network]
# Default to using a /28 prefix, giving up to 13 addresses per container.
Address=0.0.0.0/28
LinkLocalAddressing=yes
DHCPServer=yes
IPMasquerade=both
LLDP=yes
EmitLLDP=customer-bridge
IPv6AcceptRA=no
IPv6SendRA=yes