OPNsense High Availability Guide - Ensuring Network Continuity

Learn how to configure High Availability for OPNsense firewalls in this comprehensive video tutorial. Discover strategies to ensure network continuity, protect against outages, and facilitate maintenance. Follow step-by-step instructions on setting up redundant firewalls, including backup configuration, CARP setup, outbound NAT, HA link configuration, and pfSync implementation. Explore initial testing procedures, firewall isolation techniques, and activation of new and backup firewalls. Master failover testing, automated configuration updates, dashboard monitoring, and software update processes. Gain valuable insights into maintaining a secure and reliable network infrastructure using OPNsense's High Availability features.

Intro
Assumptions
Overview
Strategy
Backup Firewall Configuration
Isolate New Firewall
Restore Firewall Configuration
Initial Changes
Configure CARP
Outbound NAT
Configure HA Link
Extra Firewall Rules
pfSync and HA sync
Initial Testing
Isolate Existing Firewall
Activate New Firewall
Test New Firewall
Reconfigure Original Firewall
Activate Backup Firewall
Configure HA Link
Configure pfSync
Extra Firewall Rules
Reboot Firewalls
Testing Failover
Automated Configuration Updates
Dashboard Monitoring
Software Updates
Summary