network automation

July 22, 2019

DATA CENTER

Manage Interfaces in a Centralized Way with DCNM 11

As you might remember from our last post within our DCNM 11 series, we discussed provisioning underlay for VXLAN EVPN fabric using fabric builder in DCNM 11. Today, we’re continuing the discussion by featuring how Cisco’s Data Center Network Manager (DCNM) empowers IT to move at the increasing…

July 18, 2019

DEVELOPER

Using Automation for a DataCenter Network Core Migration

This blog is authored by Ioannis Theodoridis (Yannis for friends and workmates). I am a network and systems engineer specializing in fault, performance, and service level monitoring for the Network and IT services. I work in the Network Department, in the IT Division of the Bank of Greece, as a memb…

SOS! My Peering is Under Attack!

What happened? Now that the Internet has become critical to our day-day lives we really feel the impact when it goes down. While the origin of the Internet – the so-called “ARPANET” was built for resiliency and redundancy there are some hidden vulnerabilities that can undermine its stability. One ke…

July 16, 2019

DEVELOPER

Network Automation Using Unified API – Napalm

Before I joined the awesome Cisco DevNet team, I worked for Cisco on two of their biggest cloud platforms as a network engineer. My old team and I designed and built one of biggest Cisco Data Center footprints AND we did it all manually. Yes, no automation! We mostly used notepad files as templates,…

July 15, 2019

DEVELOPER

CI/CD Demo: Setting Your Local Environment – NetDevOps Series, Part 8

This is part 2 of the CI/CD Demo, on how to run your own demo using CI/CD pipelines for network configuration management. Julio’s previous posts in the NetDevOps Series are available here. To experience and demonstrate the full NetDevOps configuration pipeline, you may want to setup a local d…

June 27, 2019

DEVELOPER

CI/CD Demo: Intro and Server Setup – NetDevOps Series, Part 7

Previous posts in the NetDevOps Series are available here. This is part 1 of 3, on how to run your own demo using CI/CD pipelines for network configuration management. Now that you know about some of the most important building blocks for programmability, it is time to see them working together and…

June 27, 2019

PERSPECTIVES

DevNet Integrations – Network Automation with Puppet, a Cisco Champion Radio Podcast (S6|Ep.11)

In this episode of Cisco Champion Radio, we chat with Stuart Clark of Cisco DevNet and Rick Sherman of Puppet about network automation. Our Cisco Champion hosts are Daren Fulwell and Pieter-Jan Nefkens. Podcast Discussion Topics Various ways to do network integration, it isn’t all Python! What mak…

June 25, 2019

DEVELOPER

pyATS & Genie – Beneath the Surface

In the previous article: “Network Engineers Transform!,” you learned that pyATS | Genie comes with ready-to-use libraries, allowing everyone to exercise the power of these libraries, and perform powerful state difference verifications using its native shell CLI. Today, we’ll take you behind the scen…

June 19, 2019

DEVELOPER

A Cisco CCIE Discusses His Journey with Network Automation

This post is not my own, but rather the words of my dear friend Kevin Corbin, who has mentored and helped me to infinity and beyond! They say there are only two hard problems in computer science: cache invalidation, naming things, and off-by-one errors. I have worked at Cisco for the previous 12 yea…