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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Overview of Stacks

Overview of Stacks

Definition

Intelligent Stack is a technology that enables multiple stacking-capable switches to function as a single logical switching device. This technology is also called iStack. As shown in Figure 9-3, after SwitchA and SwitchB are connected by stack cables and form a stack, their upstream and downstream devices consider them as one switch.

Figure 9-3  Schematic diagram of a stack

Purpose

Stack technology provides high 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. 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.

  • High scalability: You can increase ports, bandwidth, and processing capacity of a stack by simply adding member switches to the stack.

  • 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: 2019-03-28

Document ID: EDOC1000178167

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