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Configuration Guide - Device Management

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, Stack, SVF, cloud-based management, PoE, monitoring interface, OPS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.

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Overview of Stacks

Overview of Stacks


A stack can have multiple stacking-capable switches connected through stack cables. These switches, also known as stack members, work together as a unified system. The entire stack works as a single entity to the network.

In Figure 3-3, SwitchA and SwitchB are connected through stack cables to set up a stack.

Figure 3-3  Stack

Application Scenarios

  • Improving reliability

    Multiple stack members work in redundancy mode. In Figure 3-3, SwitchA and SwitchB set up a stack and back up each other. When SwitchA fails, SwitchB assumes the role of SwitchA to ensure the normal running of the stack. In addition, the stack supports inter-device link aggregation and link redundancy.

  • Increasing the number of ports

    When a switch lacks the required number of ports to support the increasing number of users, new switches can be added to the stack to meet this requirement, as shown in Figure 3-4.
    Figure 3-4  Increasing the number of ports
  • Increasing bandwidth

    When higher uplink bandwidth is required, add new stack members and bundle their physical links into a link aggregation group to increase the uplink bandwidth, as shown in Figure 3-5.
    Figure 3-5  Increasing uplink bandwidth
  • Simplifying network topology

    In Figure 3-6, multiple switches are virtualized into a single logical switch. This simplified network does not require MSTP, making network configuration much simpler. Additionally, inter-device link aggregation, speeds up network convergence and improves network reliability.
    Figure 3-6  Simplifying network topology
Updated: 2019-04-20

Document ID: EDOC1100065674

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