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RAs trigger neighbor discovery which allows users to query the LL address of the container/VM via `ip neighbor get dev`. This is useful as it gives users an easy way to connect to the container without needing LLMNR or mDNS to resolve the hostname of the container to an IP address. In practice, this allows connecting with only networkd enabled and without resolved running in the host/container.
27 lines
741 B
SYSTEMD
27 lines
741 B
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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# This network file matches the host-side of the virtual Ethernet link
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# created by systemd-nspawn's --network-veth switch. See systemd-nspawn(1) for
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# details.
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[Match]
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Name=ve-*
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Driver=veth
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[Network]
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# Default to using a /28 prefix, giving up to 13 addresses per container.
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Address=0.0.0.0/28
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LinkLocalAddressing=yes
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DHCPServer=yes
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IPMasquerade=yes
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LLDP=yes
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EmitLLDP=customer-bridge
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IPv6SendRA=yes
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