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Mark povo connection metered

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project-yukart's map-tile sync treats NetworkManager's metered flag as
a second guard against syncing over LTE; the flag was never set. It is
now, live on the car unit.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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mikkeli
2026-10-08 09:58:35 +09:00
parent e29c20de75
commit 9ba464f4a4
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docs/impl/reports/SIM7600-SETUP.md
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@@ -93,6 +93,8 @@ sudo nmcli con add type gsm ifname '*' con-name povo gsm.apn povo.jp \
``` ```
- `ifname '*'`: binds to whichever modem ModemManager exposes (now `cdc-wdm0`). - `ifname '*'`: binds to whichever modem ModemManager exposes (now `cdc-wdm0`).
- `connection.metered yes` (added 2026-10-08): marks LTE as metered so bulk transfers can refuse it. Project Yukart's
map-tile sync uses this as its second guard (LAN-only rsync).
- `autoconnect-retries 0` (forever): the default of 4 retries left the link permanently down after early failures. In a car, the modem may - `autoconnect-retries 0` (forever): the default of 4 retries left the link permanently down after early failures. In a car, the modem may
come up after NetworkManager. come up after NetworkManager.
- Metric 1000 vs NM defaults Ethernet 100 / WiFi 600 → LTE only carries traffic when both are gone. Right after connecting the route - Metric 1000 vs NM defaults Ethernet 100 / WiFi 600 → LTE only carries traffic when both are gone. Right after connecting the route