A customer noticed that some SFPs installed in a Cisco Nexus were particularly 🔥hot🔥 and asked for a command to be able to see the temperature of all the transceivers. Sounds like a good opportunity to write some code!
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 the various nodes.
For these purposes I wrote a couple of Python scripts that I share in this post.
When two large companies merge, they may be required to merge their respective networks as well, including address spaces.
I completed the Cisco Data Center Nexus Dashboard Essentials training provided by CiscoU and collected 22 CE credits for my CCIE.
Today I completed the Jobleader ICT Management course, which began last November.
Since I took CCNA I have always tried to renew my certifications with exams from other tracks.
Now with Cisco U and the Rev Up program it becomes even easier to get CE credits and at the same time delve into other technologies.
A customer called because they expect the Internet access in the DC to reach 10 Gbps, but a speedtest only shows 1 Gbps throughput.
Once again, it’s a network issue. Or not?
In my role as a network architect, I often find myself validating a design based on documentation provided by the vendor. Whenever possible, I prefer to verify at least the core functionality in the lab.
Platforms such as Cisco Meraki on the one hand simplify configurations by introducing automation and abstraction mechanisms that have a great impact on large installations; on the other hand, abstractions and simplifications require careful analysis of requirements and deployment methods.
In this blog I present a scenario that I had the opportunity to test recently.
I’ve completed the Rev Up to Recert: SD-WAN Fundamentals (SDWFND) v.2.0 Learning Path and collected 12 CE credits.
I’ve completed the Rev Up to Recert: CyberOps Associate, Understanding Cisco Cybersecurity Operations Fundamentals (CBROPS) Learning Path and collected 30 CE credits.
When chatting with both colleagues and customers about BGP path manipulations, I’ve picked up on something interesting – the concept of admin distance can often lead to some head-scratching moments.
So, in this blog post, I’m going to take you through a few links and hands-on labs. Our goal? To unravel the mysteries surrounding admin distance and its pivotal role in the BGP best path selection process. Let’s dive in!
I was recently engaged in a troubleshooting session pertaining to Azure Network Load Balancers (NLBs).
The assistance was sought by cloud engineers seeking deeper insights into the operational characteristics of NLBs. The findings are outlined below.
I’ve completed the Rev Up to Recert: Understanding Cisco Network Automation Essentials (DEVNAE) 1.0 Learning Path and collected 16 CE credits.
