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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Stack Overview

Stack Overview

This section describes the definition of a stack and purpose of setting up a stack.

Definition

Intelligent stack (iStack) technology combines multiple switches into a virtual switching device, as shown in Figure 2-1.

Figure 2-1 Schematic diagram of a stack

Purpose

Stacking technology provides high network reliability and scalability, while simplifying network management.

  • High reliability: Member switches in a stack work in redundancy mode. Inter-device Eth-Trunk links can also be set up between the member switches to implement link redundancy.

  • High scalability: By combining physical switches into a stack, you can easily increase the number of ports, bandwidth, and processing capability without changing the network topology.

  • Simple 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 (such as MSTP) or Layer 3 protection switching protocols (such as VRRP) are not required after switches set up a stack; therefore, the network configuration is much simpler.

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Updated: 2019-08-09

Document ID: EDOC1000041694

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