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9ccc369ff3
These networks are not connections to upstream routers, but where we are ourselves are the upstream router, hence it doesn't make too much sense to require them to be up as default to determine if we are "online", because they lead "in the wrong direction". Also, disable DHCP lease persistency for these networks, since container/VM/namespaces are generally shortlived, and typically have no persistent identity. Moreover, the IP range we assign each VM/container connection is just too small to permit persistency, as otherwise we'll run out of leases way too quickly if VM/containers are restarted a bunch of times with different MAC addresses (which I ran into). I think these are better defaults, but of course these are only defaults.
33 lines
820 B
SYSTEMD
33 lines
820 B
SYSTEMD
# SPDX-License-Identifier: MIT-0
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#
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# This config file is installed as part of systemd.
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# It may be freely copied and edited (following the MIT No Attribution license).
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#
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# To make local modifications, use "networkctl edit". See networkctl(1) for details.
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# This file should not be edited in place, because it'll be overwritten on upgrades.
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# This network file matches the host-side of the virtual Ethernet link
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# created by systemd-nsresourced's network support. See systemd-nsresourced(1) for
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# details.
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[Match]
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Kind=veth
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Name=ns-*
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[Link]
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RequiredForOnline=no
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[Network]
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# Default to using a /28 prefix, giving up to 13 addresses per namespace
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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=both
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LLDP=yes
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EmitLLDP=customer-bridge
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IPv6AcceptRA=no
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IPv6SendRA=yes
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[DHCPServer]
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PersistLeases=no
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