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Category Archives for "Coding Packets Blog"

Jinja2 For Network Engineers

Jinja2 is a templating language built in python and loosely based on the Django templating language. Jinja2 is used in many projects as a templating engine with some notable examples: Ansible, Salt and Flask. Jinja2 aims to implement some of the most common features of python right into...

Ansible Overview

Ansible is a 'radically simple', open source, IT automation platform. Architecture Control Node The Ansible control node is the central point of management for managed nodes. Configuration is pushed to the managed nodes from the control node. Managed Node A managed node...continue reading

Netmiko Getting Started

Netmiko is a python library created by a living legend amongst network engineers, Kirk Byers. Netmiko aims to simplify SSH connections to network devices with python by extending the paramiko library to deal with the idiosyncrasies of SSHing to our favorite network gear. Netmiko has a huge...

Cisco CSR 1000v Vagrant Box Install

This blog covers how to install Cisco csr1000v boxes for use with Vagrant. Cisco does not provide a csr1000v Vagrant box so similar to my other post on creating a Vagrant box from the ASAv ova, I will show you how to create a csr1000v Vagrant box. This post assumes that you already have a...

Cisco ASAv Vagrant Box Install

This blog covers how to install Cisco ASAv boxes for use with Vagrant. Cisco does not provide an ASAv Vagrant box on Vagrant cloud but it is possible to create a Vagrant boxes out of the ASAv VMware ova. As you will see it is a bit more involved but well worth the effort. This post assumes...

TCPDump Quick Reference

TCPDump is a tool for sniffing packets on a network. This is not a comprehensive tutorial, only a quick reference source. Consult the man pages and/or documentation for indepth explanation of commands. Capturing Traffic All Traffic for an interface -i <interface-name> specifies an...

Juniper Vagrant Box Install

This blog covers how to install Juniper boxes for use with Vagrant. This post assumes that you already have a working vagrant install. Plugins Firstly install the Juniper plugins to enable Vagrant to communicate to the boxes correctly. cmd vagrant plugin install vagrant-host-shell...

Arista vEOS Vagrant Box Install

This blog covers how to install Arista boxes for use with Vagrant. Although Arista does not provide Vagrant boxes on Vagrant cloud they do provide boxes that can be downloaded from the arista.com website. This post assumes that you already have a working vagrant install. Download Go to the...

Ansible Tower Part 1

This is the first part of a three part series on Ansible Tower. In this series we will download, install, and configure Ansible Tower with user, groups and to execute jobs. Code versions used for this lab Python - 2.7.5 Ansible - 2.2.1 Centos 7 - minimal 1511 Ansible Tower -...