Sophos Firewall v21: Configure High Availability - Part 1 - HA Modes and Setup Prerequisites

In this series, we show you how to configure High Availability (HA) in Sophos Firewall v21. The first part gives an overview of HA function and the different HA modes, and outlines common failover triggers as well as the requirements for deployment.

Then, continue on to Part 2 for the detailed steps for configuring QuickHA Mode and Interactive Mode.
https://techvids.sophos.com/watch/b6M7UBUjYw5M7hRaDN7jHp

**Note: Captions generated by machine translation and may contain errors.**

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*Video Chapters*

00:20 Overview
00:41 Architecture
02:29 HA Mode Comparison
03:51 Failover Triggers
04:09 Deployment Prerequisites

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*Relevant Documentation*

HA modes and device roles
https://docs.sophos.com/nsg/sophos-firewall/21.0/Help/en-us/webhelp/onlinehelp/index.html?contextId=HA-roles-status

Basic HA configuration
https://docs.sophos.com/nsg/sophos-firewall/21.0/Help/en-us/webhelp/onlinehelp/index.html?contextId=HAConfiguration

FAQs - High availability
https://docs.sophos.com/nsg/sophos-firewall/21.0/Help/en-us/webhelp/onlinehelp/index.html?contextId=HA-FAQs

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