Users Guide

High Availability (HA)
High availability (HA) is supported on Dell Networking OS.
HA is a collection of features that preserves system continuity by maximizing uptime and minimizing packet
loss during system disruptions.
To support all the features within the HA collection, you should have the latest boot code. The following table
lists the boot code requirements as of this Dell Networking OS release.
Table 18. Boot Code Requirements
Component Boot Code
S3124 1 2.0.3
The features in this collection are:
• Component Redundancy
• Hitless Behavior
• Graceful Restart
• Software Resiliency
• Hot-Lock Behavior
Topics:
• Component Redundancy
• Pre-Configuring a Stack Unit Slot
• Removing a Provisioned Logical Stack Unit
• Hitless Behavior
• Graceful Restart
• Software Resiliency
• Hot-Lock Behavior
Component Redundancy
Dell Networking systems eliminate single points of failure by providing dedicated or load-balanced
redundancy for each component.
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