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vanlink/ap/hostapd.conf
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andreasandClaude Haiku 4.5 34c1b51006 R5C final config: 2.4GHz-only AP mode due to RTL8822CE limitations
FriendlyElec R5C RTL8822CE WiFi chip does not support 5GHz AP mode.
Both wlan0 and wlan1 locked to 2.4GHz-only (mode 2) by firmware/driver.

Tested:
- Channel 149 (5GHz): fails with 'mode (2) not found'
- Channel 36 (5GHz): fails with 'mode (2) not found'
- Both wlan0 and wlan1: same limitation
- Regulatory domain persistence doesn't change mode

Solution: Configure hostapd for 2.4GHz (hw_mode=g, channel 6)
- VanLink2 now on wlan1, 2.4GHz channel 6
- VanLink2-2G still on wlan2, 2.4GHz channel 6
- Both working stably

R5C not recommended for 5GHz AP use; consider Pi 5 or other board
if 5GHz dual-band AP is required.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
2026-09-18 18:52:46 -04:00

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interface=@WIFI_5G_IFACE@
# Put the AP into br0 so Wi-Fi and the wired LAN port share one 10.42.1.0/24 segment.
# hostapd adds the wlan to the bridge after setting AP mode; the bridge itself + its
# wired member + the gateway IP are defined under /etc/systemd/network (2x-van-br0/lan).
bridge=br0
# Control socket so van-ap-watchdog (and hostapd_cli) can read the AP's real state
# (state=ENABLED means it's actually beaconing) — used to detect a wedged radio that
# stays "running" but stops serving after a USB glitch.
ctrl_interface=/var/run/hostapd
driver=nl80211
ssid=VanLink2
country_code=CA
ieee80211d=1
hw_mode=g
channel=6
wmm_enabled=1
# 2.4GHz only — RTL8822CE on FriendlyElec R5C does not support 5GHz AP mode
# (firmware/driver limitation; both wlan0 and wlan1 locked to 2.4GHz)
ieee80211n=1
ht_capab=[HT20][SHORT-GI-20]
auth_algs=1
wpa=2
wpa_passphrase=1foot11foot11
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP