User`s guide
VigorPro5510 Series User’s Guide 
32
Load Balance Mode  If you know the practical bandwidth for your WAN interface, 
please choose the setting of According to Line Speed. 
Otherwise, please choose Auto Weigh to let the router reach 
the best load balance. 
Line Speed  If your choose According to Line Speed as the Load 
Balance Mode, please type the line speed for downloading 
and uploading through WAN1/WAN2. The unit is kbps. 
Active Mode Choose Always On to make the WAN connection 
(WAN1/WAN2) being activated always; or choose Active on 
demand to make the WAN connection (WAN1/WAN2) 
activated if it is necessary. 
If you choose Active on demand, the Idle Timeout will be 
available for you to set for PPPoE and PPTP access modes in 
the Details Page of WAN>>Internet Access. In addition, there 
are three selections for you to choose for different purposes. 
WAN2 Fail – It means the connection for WAN1 will be 
activated when WAN2 is failed. 
WAN2 Upload speed exceed XX kbps – It means the 
connection for WAN1 will be activated when WAN2 Upload 
speed exceed certain value that you set in this box for 15 
seconds. 
WAN2 Download speed exceed XX kbps– It means the 
connection for WAN1 will be activated when WAN2 
Download speed exceed certain value that you set in this box 
for 15 seconds. 
WAN1 Fail – It means the connection for WAN2 will be 
activated when WAN1 is failed. 
WAN1 Upload speed exceed XX kbps – It means the 
connection for WAN2 will be activated when WAN1 Upload 
speed exceed certain value that you set in this box for 15 
seconds. 
WAN1 Download speed exceed XX kbps– It means the 
connection for WAN2 will be activated when WAN1 
Download speed exceed certain value that you set in this box 
for 15 seconds. 










