Performing a traceroute is a very common task for network operations.

In this post I share a simple solution I implemented to make it easier to read the command output.

Cisco ISE is one of my favorite products. Although I cannot call myself an expert on it, I have worked on numerous designs where network security and segmentation are based on ISE with excellent results.

More than a few times I have needed to document the inventory of nodes in a cluster, and the certificates in use at …

Writing code today often means interacting with API of many products. For me it means the possibility to integrate existing tools or create new functions.

Sometimes it is just a matter to create a small utility.

Asset management, documentation and monitoring are important parts of any IT Ops team but at the same time they are } boring, repetitive, error prone.

Last summer I spent some time investigating the possibility to integrate open source projects I like to create a Minimum Viable Product for asset management/monitoring …

Quite often cable management is something that starts well when a new IDF is deployed and then gets messier over time.

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Summertime usually means a busy period for Network Engineers, customers are on holidays and we have the opportunity to performs all the changes that impact network connectivity.

For me this usually means core switch replacement.

Today I was moving a configuration from an HP8200 to a Cisco 4500, taking care of all the …

The problem

In my last post about Linux at command I talked about notifications on my mobile.

In most of my automation scripts I prefer notifications to come to my mobile instead of via email or SMS (really? in 2015?) because:

• it is always with me
• I check it thousands times a day (I know you too ;-) )
• it is a …

Another post on Linux commands, short and simple but very useful: at.

The problem

As IT pros we are all comfortable with the change window concept.

This window usually opens at night or during the week-end and sometimes the change actually just requires a few commands on a Linux machine.

The automation

The at command …

This week I attended a two days training of Cisco DCINX9K.

The training is focused on Cisco Nexus 9000 switches in NX-OS mode.

NX9K can run two different software images, the full ACI image with all the cool SDN stuff and the traditional NS-OX image with some cool features like Python, Rest API, VX-LAN and more.

Now …