10 CONFIGURING H IGH AVAILABILITYThis chapter describes the commands and options available in the HighAvailability menu. The menu is broken up into sections shown in the userinterface as tabs.To access a command click on High Availability on the left hand side ofthe screen and then on the appropriate tab.This following sections are covered in this chapter: Getting Started Configuring High Availability Making Configuration Changes Checking High Availability Status Forcing TransitionsGetting Started The High Availability function allows you to connect two Firewallstogether as a pair. Although only one Firewall will function at a time thesecond will automatically take over from the first in the event of a failure.Before attempting to configure two Firewalls as a High Availability pair,check the following requirements: You have two Superstack 3 Firewalls available. The Firewalls must berunning the same version of firmware which must be version 6.0 orabove.The 3Com Firewalls 3CR16110-95 and 3CR16110-97 use identicalhardware and can be used as a high availability pair provided that theyare using the same version of firmware. You have at least one static IP address available from your InternetService Provider (ISP). If you intend to remotely manage both theDUA1611-0AAA02.book Page 141 Thursday, August 2, 2001 4:01 PM
