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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Introduction to Stack

Introduction to Stack

Definition

Intelligent Stack (iStack) enables multiple stacking-capable switches to function as a single logical switch. In Figure 8-3, SwitchA and SwitchB are connected using stack cables to set up a stack, functioning as a single switch.

Figure 8-3  Schematic diagram of a stack

Purpose

Stack technology provides network reliability and scalability, while simplifying network management.
  • High reliability: Member switches in a stack work in redundancy mode. Link redundancy can also be implemented between member switches through inter-device link aggregation.

  • High scalability: You can increase ports, bandwidth, and processing capacity of a stack by simply adding member switches to the stack. Member switches can join or leave the stack without affecting other member switches. New switches automatically synchronize the configuration file and system software version with the master switch.

  • Simplified configuration and management: You can log in to a stack from any member switch to manage and configure all the member switches in the stack. In addition, complicated Layer 2 ring protection protocols or Layer 3 protection switching protocols are not required after switches set up a stack, making the network configuration much simpler.

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Updated: 2019-08-21

Document ID: EDOC1000141932

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