What You Need To Know; Before You Begin - ZyXEL Communications NXC5200 User Manual

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Chapter 23 Device HA

23.1.2 What You Need to Know

The following terms and concepts may help as you read this chapter.

Management Access

You can configure a separate management IP address for each interface. You can

use it to access the NXC for management whether the NXC is the master or a

backup. The management IP address should be in the same subnet as the

interface IP address.

Synchronization

Use synchronization to have a backup NXC copy the master NXC's configuration,

signatures (anti-virus, IDP/application patrol, and system protect), and

certificates.

Note: Only NXCs of the same model and firmware version can synchronize.

Otherwise you must manually configure the master NXC's settings on the backup

(by editing copies of the configuration files in a text editor for example).

• Configure a static IP address for each interface that you will have device HA

Note: Subscribe to services on the backup NXC before synchronizing it with the

• Synchronization includes updates for services to which the master and backup

NXCs are both subscribed. For example, a backup subscribed to IDP/AppPatrol,

but not anti-virus, gets IDP/AppPatrol updates from the master, but not anti-

virus updates. It is highly recommended to subscribe the master and backup

NXCs to the same services.

NXC5200 User's Guide

Nxc5200 - v2.20