OpenWrt - how to configure connection to the Internet from a HiLink modem

It is based on TP-Link TL-MR3220 v2 and Huawei E3372. root@LEDE:~# opkg update root@LEDE:~# opkg install kmod-usb-net-cdc-ether usb-modeswitch root@LEDE:~# uci del network.wan root@LEDE:~# uci set network.wan=interface root@LEDE:~# uci set network.wan.proto=dhcp root@LEDE:~# uci set network.wan.ifname=eth2 For OpenWrt 21.02-rc2 and later releases, the ifname option should be changed to device: uci set network.wan.device=eth2 or eth1 root@LEDE:~# uci commit network root@LEDE:~# ifstatus wan root@LEDE:~# reboot