Cisco Network Info Gather

This script connects to Cisco switches and routers and collects infos and writes them to a CSV. Following info will be collected:

• Device Name / IP Address
• Interface Name
• IP Address of the interface
• Subnet Mask in decimal Format
• CIDR Notation of the IP address
• CIDR Notation of the network address
• Interface Description
• VRF Name the interface belongs to
• UP/Down state of the interface

Warning: The information is mainly gathered of the running config. Interfaces with dynamically assigned (i.e. DHCP) IP addresses will not be collected.

Prerequisites

• Python requirements installed

Restrictions

• Works only with IOS based WLCs, AireOS is not supported
• Tested only with IOS 17.3.4c and DNAC 2.2.2.5, use on your on risk

Installation

Clone the repository

$ git clone https://github.com/Ch1ll3r/cisco-network-gathering.git

Python version 3 and pip3 is required. Creating a dedicated virtual environment is recommended.

Creating a virtual environment (optional)

Install the virtualenv package:

$ python3 -m pip install virtualenv

Create and activate a new virtual environment:

$ python3 -m venv ./venv
$ source venv/bin/activate

Install dependencies

$ python3 -m pip install -r requirements.txt

How to Use

Add the IP addresses or hostnames you wish to check to the switches.txt file. Add one IP/hostname per line Afterward the script is ready for execution. To execute run following command:

$ python cisco-network-info-gather.py

The script will ask you for username and password to connect to the devices. The credentials are NOT stored.

It will write a csv with following filename: interface_config_info.csv