OpenWRT - LibreNMS Docs
https://docs.librenms.org/Support/Device-Notes/Openwrtwlan0,wl-2.4G wlan1,wl-5.0G 2: Update the Openwrt SNMP configuration, adding extend support for the Wireless Sensor queries: vi /etc/config/snmpd , adding the following entries (assuming the scripts are installed in /etc/librenms, and are executable), and update the network interfaces as needed to match the hardware,
[OpenWrt Wiki] ZyXEL NBG6617
https://openwrt.org/toh/zyxel/nbg661701.12.2018 · ZyXEL NBG6617 This page is a work in progress. The NBG6617 is an entry-level two-stream 802.11ac device and can be easily flashed with OpenWrt from stock firmware. Version Notes Links v1 Support was introduced with commit 82618062cf. OpenWrt SoC documentation Ver CPU Ram Flash