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johann is a web-based network device monitoring tool for Cisco IOS XE devices. Collect configuration and operational data of your networking devices in a structured way in one single database!

Get an Overview in this YouTube Video!

• Add single or multiple devices (.csv file) at once to the johann SQLite database
• Show device information on a structured web-dashboard
• Update all device information
• Show simple report graphs
• Export database as .xlsx
• Toolset:
  • Enable RESTCONF on a single IOS XE device
  • Test RESTCONF: Get current configuration in JSON format
  • Show logs

• ASR 1000
• ASR 900 RSP2/RSP3, ASR 920, NCS 520 and NCS 4200
• Catalyst 9200,9300,9400,9500,9600,9800
• Catalyst 8000V
• CSR 1000v
• ESS 3x00
• IR 1101
• IE 3x00
• ISR 1000
• ISR 4000

*RESTCONF needs to be supported in the IOS XE version!

johann is easy installable:

1. Install Docker Engine and Docker Compose (already included on macOS and Windows)

2. Then copy & paste into terminal (on Linux you may need to start Docker with a non-root user):

git clone https://github.com/flopach/johann-network-device-monitoring &&
cd johann-network-device-monitoring/docker/ &&
docker-compose up

After all containers are up, you can access the web-dashboard via http://localhost.

(size: 11MB)

Are only IOS XE devices supported? - For now, yes only IOS XE devices.

What YANG modules do you use? - Cisco IOS-XE native YANG models only.

johann does not get _______ operational/configuration data! - Feel free to add it or send a feature request.

Why is some information empty in the johann database? - The RESTCONF interface of the device did not provide this information.

What is the password for Database admin? - You can set the Django superuser in the ./docker/johann/Dockerfile. The default is admin/admin123 to acess the database.

johann does not support ______ ! - Please put in a feature request of feel free to add this feature!

When stopping Docker, what data will be saved? And where? - The whole SQLite database and .log file will be saved in docker/johann/stickydata/.

• Currently, only timezone UTC is supported
• Devices can only be deleted via Django Database Manager
• Passwords are not encrypted in the database

High-level architecture

Sequence diagram for adding devices

• Django + Django Channels
• Redis
• Cisco UI Kit
• jQuery
• Featured Python Libraries: Requests, Netmiko (just for enabling RESTCONF), Matplotlib

0.1.0 - Initial Release

• Florian Pachinger - Initial work - flopach

This project is licensed under the Cisco Sample Code License 1.1 - see the LICENSE.md file for details

• Cisco DevNet Website
• YouTube Video