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Vagrant – Overview and Opendaylight Vagrant Image

Recently, I came across this tool called Vagrant that eases the creation and sharing of VM work environment. I played with it and found it very useful. Vagrant integrates with VM hosting providers like Virtualbox, Vmware and AWS. Different devops tools like Chef, Puppet, Ansible are integrated with Vagrant. In this blog, I will cover … Continue reading Vagrant – Overview and Opendaylight Vagrant Image →

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Openstack distribution

In the last few months, following were some acquisitions that happened: Cisco acquiring Metacloud, EMC acquiring Cloudscaling, HP acquiring Eucalyptus. Metacloud and Cloudscaling have Openstack based distributions, Eucalyptus has a cloud OS similar to Openstack. This set of acquisitions prompted me to look little closely at Openstack distributions and following blog is a result of this. … Continue reading Openstack distribution →

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Storage Primer

Storage is a very critical component in the current IT domain. Choosing the right Storage platform and software is a critical part of a good Data center whether it is internal or external cloud. Even though I understood some Storage basics, I never ventured deep to understand the different storage technologies available. I tried to … Continue reading Storage Primer →

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Ansible for Network Automation – Part 2

This blog is part of my series on Devops for Networking. In the previous blog, I covered basics of Ansible and how to get started with it. In this blog, I will cover a sample application that I wrote with Ansible. This Ansible application builds on UCS sdk utility that I covered in a previous blog. The … Continue reading Ansible for Network Automation – Part 2 →

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Ansible for Network automation – Part 1

This blog is part of my series on Devops for Networking. Ansible is a very popular Devops tool and serves similar purposes as Puppet, Chef etc. Ansible has the unique feature that there is no need to install agent on the device side and this makes it very popular for Network device configuration since Network … Continue reading Ansible for Network automation – Part 1 →

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Network device configuration using templates with Jinja2 and YAML

This blog is part of my series on Devops for Networking. Typically, Network device configurations for CLI based systems are stored as text files and when its necessary to change parameters like gateway address, vlan, ntp server etc, the script is manually edited and then reapplied to the device. This process is manual and prone … Continue reading Network device configuration using templates with Jinja2 and YAML →

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Cisco device configuration using Netconf

This blog is part of my series on Devops for Networking. In this blog, I will cover how to configure and monitor Cisco NXOS devices using Netconf. In 1 of my earlier blogs, I have provided basics of Netconf and Yang. I have used Nexus 3k switch for my experiments below. Netconf has the following … Continue reading Cisco device configuration using Netconf →

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Cisco device configuration using OnePK

This blog is part of my series on Devops for Networking. onePK is Cisco’s attempt to expose a standard set of APIs to configure and monitor across multiple different Cisco devices. Orchestration and automation applications can use these standard APIs to talk to Cisco devices. In this blog, I will cover a brief overview of … Continue reading Cisco device configuration using OnePK →