Example for Configuring ADSL Link Backup in Interface Backup Mode on a 3G Network - AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009 CLI-based Configuration Guide - Reliability -
BASIC CONFIGURATION GUIDE FOR ADSL ROUTER - AW4062 OBSERVA TELECOM