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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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Stack Membership

Stack Membership


In a stack, switches take on one of three roles: master, standby, and slave.
  • Master switch

    The master switch manages the stack. A stack has only one master switch.

  • Standby switch

    The standby switch is the backup of the master switch. A stack has only one standby switch. If the master switch becomes unavailable, the standby switch assumes the master role, and continues to the keep the stack operational.

  • Slave switch

    A slave switch forwards service traffic. A stack may have multiple slave switches. A high number of slave switches can increase forwarding performance in a stack.

    Apart from the master and standby switches, all the other member switches are slave switches. If the standby switch becomes unavailable, a slave switch assumes the standby role.

The master switch, standby switch, and slave switches are responsible for forwarding service traffic.

Adding, removing, or replacing a stack member may change the stack member roles. For details about add and remove a stack member, see Adding and Removing a Stack Member. For details about replace a stack member, see Replacing a Stack Member.

Standalone Stack

A standalone device is a device stack with one stack member that also operates as the master switch. You can connect one standalone device to another to create a device stack containing two stack members, with one of them as the master switch. You can connect standalone devices to an existing device stack to increase the stack membership.

Updated: 2019-04-20

Document ID: EDOC1100065674

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