ii 
3.4 Configuring the Multi-WAN ................................................................................................... 21
 
3.4.1 Application Scenario .................................................................................................. 21
 
3.4.2 Procedure .................................................................................................................... 22
 
4 Advanced Configuration ................................................................................................................ 25
 
4.1 Authentication ........................................................................................................................ 25
 
4.1.1 Application Scenario .................................................................................................. 25
 
4.1.2 Procedure .................................................................................................................... 25
 
4.1.3 Principle of Captive Portal (WiFiDog) ........................................................................ 37
 
4.2 IPTV .......................................................................................................................................... 38
 
4.2.1 Application Scenario .................................................................................................. 38
 
4.2.2 Procedure .................................................................................................................... 39
 
4.3 Wi-Fi Optimization .................................................................................................................. 42
 
4.3.1 Application Scenario .................................................................................................. 42
 
4.3.2 Procedure .................................................................................................................... 42
 
4.4 Roaming .................................................................................................................................. 44
 
4.4.1 Application Scenario .................................................................................................. 44
 
4.4.2 Procedure .................................................................................................................... 45
 
4.5 Voice VLAN .............................................................................................................................. 50
 
4.5.1 Application Scenario .................................................................................................. 50
 
4.5.2 Procedure .................................................................................................................... 50
 
4.6 Delivery Report ....................................................................................................................... 53