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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Stack Login and File System Access

Stack Login and File System Access

A stack of multiple switches acts as a virtual device. The interface numbering rules, system login methods, and file system access methods used in the stack are different from those used on standalone switches.

Interface Numbering Rules

On standalone switches, interfaces are numbered in the slot ID/subcard ID/port sequence number format. The slot ID is fixed as 0. After the switch joins a stack, its interfaces are numbered in the stack ID/subcard ID/port sequence number format.

After a switch joins a stack, its interfaces are numbered in the stack ID/subcard ID/port sequence number format. In a stack, each member switch has a unique stack ID.

For example, an interface on a standalone switch is numbered GigabitEthernet0/0/1. After the switch joins a stack and is assigned stack ID 2, the interface number changes to GigabitEthernet2/0/1.

The subcard ID and port sequence number remain unchanged after a switch joins a stack.

After a stack member switch leaves the stack, it still uses the stack ID as its slot ID.

NOTE:

The interface number of a management interface is fixed as MEth0/0/1 regardless of whether the switch joins a stack or what the stack ID is. In a stack, only the management interface on one member switch takes effect and becomes the master management interface.

Stack Login

You can log in to a stack using the following methods:
  • Local login: Log in through the console interface of any member switch.
  • Remote login: Log in through the management interface or another Layer 3 interface of any member switch. You can remotely log in to the stack using Telnet, STelnet, web, or SNMP if your operation terminal has a reachable route to the stack.
    NOTE:
    • After switches with management interfaces form a stack, only the management interface on one member switch takes effect and becomes the master management interface. After the stack starts, the management interface on the master switch is used as the master management interface. If the management interface on the master switch is faulty or unavailable, the management interface on another member switch is used as the master management interface. If you connect your PC directly to a non-master management interface, you cannot log in to the stack.

    • After a stack is set up, all the member switches use the configuration file of the master switch.

    • A stack externally acts as a single switch and uses one management IP address. To remotely log in to a stack, you need to log in to the IP address of the master switch.

    • All stack member switches are able to forward traffic.

After you log in to the stack, the master switch issues the configurations to the other member switches. This allows resources of member switches to be managed consistently.

File System Access

Access to a file system refers to the operations performed on a storage device, including file display, and file/directory creation, deletion, and modification. The switch uses flash memory as the storage medium.

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 Overview of the File System in "File Management" in the S1720, S2700, S5700, and S6720 V200R011C10 Configuration Guide - Basic Configuration.
Unlike the drive name on a standalone switch, the drive name in a stack can be either of the following:
  • flash: indicates the root directory of the flash memory on the master switch.

  • Stack ID#flash: indicates the root directory of the flash memory on a member switch. For example, slot2#flash: indicates the root directory of the flash memory on the member switch with stack ID 2.

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Updated: 2019-10-21

Document ID: EDOC1000178167

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