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Workshop Content

Background Settings

For this demo we are providing a VIRL file that can be used to run these demos at your own pace.

It contains 1 XE, XR and NXOS device with .

For full context - This is best to use with the CiscoLive 2020 US Video.

Agenda
  1. Create a testbed file
  2. Genie Cli
  3. Python
  4. Genie Blitz
Create a testbed file

Very easy to create a pyATS Tesbed file with the command line!

Which generates this testbed.yaml file!

Genie CLI

Genie offers command line tools that allows the user to manage their network whilst leveraging the power of Genie Python libraries, without any prerequisite understanding in Python or automation.

The first step is to learn the good state of the devices.

# run pyATS CLI
pyats parse "show version" --testbed-file testbed.yaml --output snapshot

Take a moment to look at the output.

Your call to this pyATS CLI stores the device output and the parsed datastructure into a folder called snapshot.

Consider this as an operational state snapshot for the testbed you are in charge of.

Here is the list of available Parsers.

With an editor, you can open the two generated files:

  • learnt/ospf_nxos_nx-osv-1_parsed.txt
  • learnt/ospf_nxos_nx-osv-1_console.txt

The _parsed file contains the datastructure from the show commands.

The _console file contains the cli and device output of the command without being parsed.

Much more information on our CL-DevNet-2595 which goes into much detail of the cli commands.

Python

Presented in the video

Quick Testing

Presented in the video