Hot Standby

This module provides a high availability solution for WFilterNGF:

Two WFilterNGF(master, backup) servers share a virtual IP. In case the master server fails or is rebooted, the backup server will take over.

1 Network Topology

Diagram of network topology.

2 Settings

• Master Server
  • Mode: Master
  • Virtual IP: same IP as the backup server, this virtual IP is also the gateway of LAN clients.
  • Interface: interface of the virutal IP

• Backup Server
  • Mode: Backup
  • Virtual IP: same IP as the master server, this virtual IP is also the gateway of LAN clients.
  • Interface: interface of the virutal IP