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S12700 V200R010C00 Configuration Guide - Device Management

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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How Do I Know Which Switch Is the Master in a CSS?

How Do I Know Which Switch Is the Master in a CSS?

You can know which switch is the master in a CSS by checking indicators or running commands.
  • Checking indicators

    If the CSS MASTER indicator on an MPU is steady green, the MPU is the system master MPU and the switch is the master in the CSS. At this time, if VS08 CSS cards are used for CSS connections, the MASTER indicators of all CSS cards on the switch are steady green.

  • Running commands

    You can run the display device or display css status command to view the master switch.

    • If the display device command output contains information such as Chassis 1 (Master Switch), the switch is the master in the CSS.
    • In the display css status command output, the CSS status field indicates the role of the switch.
Updated: 2019-08-21

Document ID: EDOC1000142080

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