WAN failower on pfsense

In this pos I’ll create a WAN failower configuration.

The Architecture

------- WAN1 ------
| ----- WAN2 ---- |
| |             | |
PF1 -- sync -- PF2
 |               |
 ----- LAN -------  


WAN1: 192.168.0.0/24 (Bridgelt)
LAN: 10.0.1.0/24
SYNC: 10.0.2.0/24
WAN2: 10.0.4.0/24

Configurate WIP for WAN2

At Firewall > Virtual IPs > Add

Add Gateway for WAN interfaces

At System > Routing > Add

Configuring Monitor IP

AtSystem > Routing > Edit gateways and add google dns ad monitoring ip

Configuring Gateway Group

AtSystem > Routing > Gateway Groups Create 3 Groups

Configuring Firewall Rules

Got to Firewall > Rules > LAN and edit the IPv4 rule. Chane the Gateway

Clone the changed roles to two other rules and change the Gateway to the other Gateway Groups.

Configurate NAT

Go toFirewall > NAT > Outbound
Clone WAN1 rules and edit them to WLAN2

pfSense email notification when WAN connection goes down

Go to System > Advanced > Notifications

Example with Google Gmail SMTP