How To Use High Availability For Vigor Routers - Draytek Vigor2960 Series User Manual
Dual-wan security firewall
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The High Availability (HA) feature in Vigor2960 can ensure the business continuity for your
organization. IT staff can use HA as a simple solution for the disaster recovery. Vigor2960
utilizes the Common Address Redundancy Protocol (CARP) to avoid the system crashing
which could stop the normal operation and then cause considerable lost of the entire
organization.
When the HA feature is enabled, the network administrator can set another Vigor2960(s) as
the backup device(s) to deliver full routing services during the shutdown of the main
Vigor2960. The network administrator can use a Virtual IP (e.g. 192.168.1.100) for both
master device and backup device. During the system uptime, the master device (e.g.
192.168.1.1) can offer services and act as the Virtual IP. Once the master device is
temporarily out-of-service, the backup device(s) (e.g. 192.168.1.5) will take over the service
that the Virtual IP does and deliver all routing functions.
Note: Make sure the WAN interfaces for both Router A and Router B are well
connected. Both routers can be used to access into Internet.
Note: For advanced applications, please refer to FAQ/Application Notes on
www.draytek.com.
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Vigor2960 Series User's Guide
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