Cisco switch configuration backup using PowerShell

In this article, I will briefly explain how to back up the running configuration of Cisco switches to a TFTP server location using PowerShell.

Prerequisites

• A TFTP server should be configured and running.
• PowerShell module Posh-SSH should be installed on the node from which the script is running.

Workflow

1. Collect credentials to SSH into the switch
   
   $creds = Get-Credential
2. Create a new SSH session to the first switch in the list
   
   $sw_ssh = New-SshSession -ComputerName <Management IP of Cisco switch> -Credential $creds -Force -ConnectionTimeout 300
3. Invoke the command to backup running config to TFTP server over the SSH session
   
   $cmd_backup = "copy running-config tftp://<IP of TFTP server>/config_backup.txt vrf management"
   Invoke-sshcommand -Command $cmd_backup -SSHSession $sw_ssh

You can schedule this PS script using a task scheduler so that the running configuration of switches can be backed up automatically on a daily basis or as per requirements. Hope this was useful. Cheers!

Complete project reference
https://github.com/vineethac/cisco_switch_backup

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