Application Notes; How To Use High Availability - Draytek Vigor2862 Series User Manual

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High Availability provides hardware redundancy to the LAN clients. DrayTek Router has two
modes for High Availability feature: Hot-Standby and Active-Standby.
In Hot-Standby Mode, Primary and Secondary router share the same WAN source. Usually, only
the Primary is online. When Primary goes down, Secondary comes up and use the same WAN
line to dial up, and continue to provide Internet service to LAN clients.
Active-Standby mode is almost same as Hot-Standby mode, only that in the Active-Standby
mode, the Primary and Secondary connect to the different WAN sources; also, the Secondary
will always be online.
1. On the primary router, choose Redundancy Method you would like to use, then set the
following configurations:
(a)
(b)
Vigor2862 Series User's Guide
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t o u s e H i g h A v a i l a b
t o u s e H i g h A v a i l a b
Group ID is used to identify who are the group members, enter the same ID on all
the members. The default value is 1, we may leave it as default here.
Priority ID is used to decide which router should be the primary one, and 30 is the
highest. If 2 or more routers are having the same Priority ID, their LAN IP addresses
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