Connecting to a WAN Through PPPoE Dial-up - AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009 Web-based Configuration Guide - Huawei
How to Setup Huawei E5186 4G router for Network Connection – 4G LTE Mall
Connecting to a WAN Through PPPoE Dial-up - AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009 Web-based Configuration Guide - Huawei