andreasandClaude Sonnet 5
65c0356463
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KqhjP7nud5gdBg25zCiRk9
36 lines
1.9 KiB
YAML
36 lines
1.9 KiB
YAML
# /etc/netplan/50-van-wan.yaml — replaces cloud-init's 50-cloud-init.yaml.
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# The WANs handed to NetworkManager so van-failover can steer them (mirrors
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# wayback where NM owns all WANs): wlan0 = wifi uplink (Wapana at home /
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# campsite wifi), enxd8ec5eeb3512 = Starlink. The AP radios and the wired LAN
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# ports (USB dongle + onboard eth0, since 2026-07-12 an internal LAN port) are
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# deliberately absent: systemd-networkd/hostapd own them, and
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# van-ap-unmanaged.conf hides them from NM.
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# Apply once by hand: netplan generate && netplan apply (flaps the uplinks).
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network:
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version: 2
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ethernets:
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# Starlink dish uplink (RTL8153 USB NIC, MAC-named — travels with the
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# adapter, see STARLINK_IFACE in /etc/vanlink.conf). The /32 link route keeps the
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# dish's management address reachable no matter which WAN holds the
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# default route: the dish answers on 192.168.100.1 (gRPC :9200) even while
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# the uplink sits behind CGNAT.
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@STARLINK_IFACE@:
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renderer: NetworkManager
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optional: true
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dhcp4: true
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routes:
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- to: 192.168.100.1/32
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scope: link
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# never-default: van-failover is the sole owner of the default route (it manages it
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# directly via `ip route`, deliberately never `nmcli device reapply`d — that resets
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# r8152 USB-ethernet carriers). Without this, NM's own DHCP client reinstalls its own
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# default route (metric 100, NM's ethernet default) on every lease renewal — observed
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# every ~8s here (dish hands out a 16s lease) — which van-failover's loop prunes within
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# ~1s, but during that window it can tie wifi's own healthy base metric (also 100).
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# Setting this at connection-creation time (vs. a live `nmcli modify`, which does NOT
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# take effect on an already-active connection without a reactivation) closes the race
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# for good.
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networkmanager:
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passthrough:
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ipv4.never-default: "true"
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