High Availability Overview

For Juniper Networks routing platforms running JUNOS software, high availability refers to the hardware and software components that provide redundancy and reliability for packet-based communications. This guide covers the following high availability features:

• Routing Engine Redundancy
• Graceful Routing Engine Switchover
• Nonstop Bridging
• Nonstop Active Routing
• Graceful Restart
• Nonstop Active Routing Versus Graceful Restart
• Effects of a Routing Engine Switchover
• VRRP
• Unified ISSU
• Related Features

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