Draytek VIGOR 3300 User Manual page 53

"Master") to the backup component (the "Slave"). This process remains system-wide
resources, recovers partial of failed transactions, and restores the system to normal within a
matter of microseconds.
Take the following picture as an example. The left V3300 Series is regarded as Master device,
the right V3300 Series is regarded as Slave device. When Master V3300 Series is broken
down, the Slave device could replace the Master role to take over all jobs as soon as possible.
However, once the original Master is working again, the Slave would be changed to original
role to stand by.
In the Network group, click the High availability option.
49
Vigor3300 Series User's Guide