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Dell EMC Networking OS Configuration Guide for the S5048F–ON System 9.14.2.8

Using SCP with SSH to Copy a Software Image

To use secure copy (SCP) to copy a software image through an SSH connection from one switch to another, use the following commands.

  1. On Switch 1, set the SSH port number ( port 22 by default).
    CONFIGURATION MODE
    ip ssh server port number
  2. On Switch 1, enable SSH.
    CONFIGURATION MODE
    copy ssh server enable
  3. On Switch 2, invoke SCP.
    CONFIGURATION MODE
    copy scp: flash:
  4. On Switch 2, in response to prompts, enter the path to the desired file and enter the port number specified in Step 1.
    EXEC Privilege Mode
  5. On the chassis, invoke SCP.
    CONFIGURATION mode
    copy scp: flash:

Example of Using SCP to Copy from an SSH Server on Another Switch

The following example shows the use of SCP and SSH to copy a software image from one switch running SSH server on UDP port 99 to the local switch.

Other SSH related command include:

  • crypto key generate : generate keys for the SSH server.
  • debug ip ssh : enables collecting SSH debug information.
  • ip scp topdir : identify a location for files used in secure copy transfer.
  • ip ssh authentication-retries : configure the maximum number of attempts that should be used to authenticate a user.
  • ip ssh connection-rate-limit : configure the maximum number of incoming SSH connections per minute.
  • ip ssh hostbased-authentication enable : enable host-based authentication for the SSHv2 server.
  • ip ssh password-authentication enable : enable password authentication for the SSH server.
  • ip ssh pub-key-file : specify the file the host-based authentication uses.
  • ip ssh rhostsfile : specify the rhost file the host-based authorization uses.
  • ip ssh rsa-authentication enable : enable RSA authentication for the SSHv2 server.
  • ip ssh rsa-authentication : add keys for the RSA authentication.
  • show crypto : display the public part of the SSH host-keys.
  • show ip ssh client-pub-keys : display the client public keys used in host-based authentication.
  • show ip ssh rsa-authentication : display the authorized-keys for the RSA authentication. 
DellEMC#copy scp: flash:
Address or name of remote host []: 10.10.10.1
Port number of the server [22]: 99
Source file name []: test.cfg
User name to login remote host: admin
Password to login remote host:

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