Dell PowerEdge FX2 Dell PowerEdge FN I/O Aggregator Configuration Guide 9.6(0 - Page 171
Using SCP with SSH to Copy a Software Image, Secure Shell Authentication, port 22
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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 Chassis One, set the SSH port number (port 22 by default). CONFIGURATION mode ip ssh server port number 2. On Chassis One, enable SSH. CONFIGURATION mode ip ssh server enable 3. On Chassis Two, invoke SCP. CONFIGURATION mode copy scp: flash: 4. On Chassis Two, in response to prompts, enter the path to the desired file and enter the port number specified in Step 1. EXEC Privilege mode 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. Dell#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: Secure Shell Authentication Secure Shell (SSH) is disabled by default. Enable SSH using the ip ssh server enable command. SSH supports three methods of authentication: • Enabling SSH Authentication by Password • Using RSA Authentication of SSH • Configuring Host-Based SSH Authentication Important Points to Remember • If you enable more than one method, the order in which the methods are preferred is based on the ssh_config file on the Unix machine. • When you enable all the three authentication methods, password authentication is the backup method when the RSA method fails. • The files known_hosts and known_hosts2 are generated when a user tries to SSH using version 1 or version 2, respectively. Security 171