H3C S5120-EI Series Operation Manual page 20

Features
NTP
Hotfix
Cluster Management
IRF Stack
Automatic Configuration
Network Time Protocol (NTP) is the TCP/IP that advertises the accurate
time throughout the network. This document describes:
NTP overview
Configuring the Operation Modes of NTP
Configuring Optional Parameters of NTP
Configuring Access-Control Rights
Configuring NTP Authentication
Hotfix is a fast, cost-effective method to fix software defects of the device
without interrupting the running services. This document describes:
Hotfix Overview
One-Step Patch Installation
Step-by-Step Patch Installation
Step-by-Step Patch Uninstallation
One-Step Patch Uninstallation
A cluster is a group of network devices. Cluster management is to
implement management of large numbers of distributed network devices.
This document describes:
Cluster Management Overview
Configuring the Management Device
Configuring the Member Devices
Configuring Access Between the Management Device and Its Member
Devices
Adding a Candidate Device to a Cluster
Configuring Advanced Cluster Functions
Intelligent Resilient Framework (IRF) allows you to build an IRF stack,
namely a united device, by interconnecting multiple devices through stack
ports. You can manage all the devices in the IRF stack by managing the
united device. This document describes:
IRF Stack Overview
IRF Stack Working Process
Configuring IRF Stack
Logging In to an IRF Stack
Automatic configuration enables a device to automatically obtain and
execute the configuration file when it starts up without loading the
configuration file. This document describes:
Introduction to Automatic Configuration
Typical Networking of Automatic Configuration
How Automatic Configuration Works
3-10
Description