Hot Standby

Understanding Hot Standby

Before configuring hot standby, familiarize yourself with the system requirements, related concepts, and implementation mechanisms.

Limitations and Precautions for Hot Standby

Read this section carefully to learn the limitations and precautions before you configure hot standby.

Configuring Hot Standby in Active/Standby Mode

This section describes how to configure hot standby in active/standby mode on the web UI and CLI in different networking scenarios.

Configuring Hot Standby in Load Balancing Mode

This section describes how to configure hot standby in load balancing mode on the web UI and CLI in different networking scenarios.

Configuring Hot Standby in Mirroring Mode

This section describes how to configure hot standby in mirroring mode on the CLI in different networking scenarios.

Using Hot Standby Together with Other Features

The configuration of most features of the FW in hot standby networking is the same as that in single-node networking. Currently, there are special requirements for features, such as IPSec, NAT, and virtual systems, when they are used together with hot standby. Before configuration, understand the requirements and the configuration methods on the web UI and CLI.

Configuring Log Sending in Hot Standby Networking

This section describes how to configure the devices to send logs in hot standby networking.

Hot Standby Optional Configurations

The optional configurations of hot standby refer to the items that need to be configured by default or in special scenarios. Set the optional configurations according to actual situations.

Maintaining Hot Standby

After hot standby is configured, you can run the display commands to check the hot standby status. If necessary, perform maintenance operations such as the active/standby switchover and active/standby configuration modification.

FAQs About Hot Standby

This section provides FAQs about hot standby.

References for Hot Standby

This section describes the reference information about hot standby.