Cisco ACE-4710-K9 Administration Guide - Page 253
Configuring Redundant ACE Appliances, Overview of Redundancy
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CH A P T E R 7 Configuring Redundant ACE Appliances This chapter describes how to configure the Cisco 4700 Series Application Control Engine (ACE) appliance for redundancy, which provides fault tolerance for the stateful switchover of flows. It contains the following major sections: • Overview of Redundancy • Configuration Requirements and Restrictions • Redundancy Configuration Quick Start • Configuring Redundancy • Configuring Tracking and Failure Detection • Example of a Redundancy Configuration • Displaying Redundancy Information • Clearing Redundancy Statistics Overview of Redundancy Redundancy (or fault tolerance) uses a maximum of two ACE appliances to ensure that your network remains operational even if one of the appliances becomes unresponsive. Redundancy ensures that your network services and applications are always available. OL-11157-01 Cisco 4700 Series Application Control Engine Appliance Administration Guide 7-1
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