High Availability; Virtual Router Redundancy Protocol; Configuring Vrrp - Nokia IP40 User Manual

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High Availability

The Nokia IP40 Security Platform supports multiple access technologies in many combinations
to connect the remote and branch offices of distributed enterprise to the headquarters with high
availability feature that provides reliable, dependable and business-class secure access.
Nokia IP40 supports VRRP that caters to device failures, connects to multiple ISP supporting
Demand Dialing, Internet link selection by using BGP to cater to ISP link failures, and seamless
routing of encrypted traffic across multiple WAN links.
This chapter includes the following topics:

Virtual Router Redundancy Protocol

Dual Homing
Route Based VPN and BGP
Virtual Router Redundancy Protocol
Nokia IP40 Security Platform eliminates the single point of failure in static default routed
environment for the networks connected to LAN, and DMZ ports with Virtual Router
Redundancy Protocol (VRRP). VRRP is an election protocol that dynamically assigns
responsibility to a virtual router. For more information, see RFC 2338.

Configuring VRRP

Basic VRRP configuration on Nokia IP40 security platform can be explained as follows:
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