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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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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
CSS Login and File System Access

CSS Login and File System Access

Two switches in a CSS set up a virtual device on the network. The interface numbering rules, system login methods, and file system access methods used in the CSS are different from those used on standalone switches.

Interface Numbering Rules

On a standalone switch without CSS enabled, interfaces are numbered in the slot ID/subcard ID/port sequence number format. In a CSS, member switches are identified by their CSS IDs and their interfaces are numbered in the CSS ID/slot ID/subcard ID/port sequence number format.

For example, an interface on a standalone switch without CSS enabled is numbered GigabitEthernet1/0/1. After the switch joins a CSS and is assigned CSS ID 2, the interface number changes to GigabitEthernet2/1/0/1.

The management interface in a cluster is numbered Ethernet0/0/0/0.

NOTE:

After you enable CSS on a standalone switch and restart it, the switch becomes a single-chassis CSS and its interfaces are also numbered in the CSS ID/slot ID/subcard ID/port sequence number format.

After CSS is disabled on a switch, the interface numbering format on the switch must be manually changed from CSS ID/slot ID/subcard ID/port sequence number to slot ID/subcard ID/port sequence number. The procedure is as follows:
  1. After CSS is enabled on the switch, the switch automatically backs up the configuration file used in standalone state by adding the extension .bak to the configuration file name.
  2. Before CSS is disabled on the switch, specify this configuration file for next startup.
  3. Disable CSS and then restart the switch.

CSS Login

You can log in to a CSS using the following methods:

  • Local login: Log in through the console interface on any MPU of the CSS.
  • Remote login: Log in through the management interface or another Layer 3 interface of any MPU in the CSS. You can remotely log in to the CSS using Telnet, STelnet, web, or SNMP if your operation terminal has a reachable route to the CSS.

After logging in to a CSS, you have actually logged in to the master switch, no matter which member switch you log in through. After you perform configurations in the CSS, the master switch issues the configurations to the standby switch. In this way, resources of member switches are managed uniformly.

File System Access

File system access refers to operations performed on the storage device, including file/directory creation, deletion, and modification, and file display.

The location of a file is identified by drive + path + filename:
  • drive indicates the storage device.

  • path indicates a directory and its sub-directories.

  • filename indicates the file name.

For details, see File System Overview in "File Management" in the S12700 V200R010C00 Configuration Guide - Basic Configuration.
The value of drive varies in a standalone switch not running CSS and a CSS.
  • In a standalone switch not running CSS:
    • To access the root directory of the flash memory on the system master MPU, set drive to flash:.
    • To access the root directory of flash memory on the standby MPU, set drive to slave#flash:.
  • In a CSS:
    • To access the root directory of the flash memory on the system master MPU, set drive to flash:.
    • To access the root directory of the flash memory on the system standby MPU or candidate system standby MPU, set drive to chassis ID/slot ID#flash:. (The chassis ID is the CSS ID.)

      For example, 1/8#flash: means the root directory of the flash memory in slot 8 of chassis 1.

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Updated: 2019-12-28

Document ID: EDOC1000142080

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