- In the world of IT, we often categorize costs into two main buckets: capital expenditures (CapEx) and operational expenditures (OpEx). While these two categories are crucial for budgeting and financial planning, there's a third type of cost that often gets overlooked, the decommissioning costs.
Read More - I’m proud to share that my participation in the CiscoChampions Insider program has been renewed for 2025!
Read More Due to some event with extreme weather conditions, a customer decided to use satellite links as a last resort in case of failure of optical and radio links.
The use of SD-WAN highlighted some interesting points.
Read MoreIn recent years, I have been working more and more in datacenter networking. It has happened to me on several occasions that during testing, the customer would contest that the network performance of the servers was lower than expected.
So I put on my systems engineer hat and dust off my VMware training.
Read More- 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!
Read More 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.
Read MoreCisco 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 …
Read MoreThe Mythical Man-month, some wisdom from the past, still valid today. Technology changes but people stay the same.
- When two large companies merge, they may be required to merge their respective networks as well, including address spaces.
Read More - I completed the Cisco Data Center Nexus Dashboard Essentials training provided by CiscoU and collected 22 CE credits for my CCIE.
Read More - Today I completed the Jobleader ICT Management course, which began last November.
Read More 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.
Read MoreReading this blog made me very curious: Path Quality Part 1: The Surprising Impact of 1% Packet Loss
The final result is:
In this study, 1% of packet loss caused a 70.7% decrease in throughput.
When applications experience performance problems usually someone blames the network.
It is not always easy to convince that …
Read MoreIn 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 …
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