Networking
TFDx at CLUS25 – VIAVI and using AI for PCAP Analysis
by Eric Stewart on Jun.22, 2025, under Networking, Technology
Ward Cobleigh from VIAVI and Chris Greer from Packet Pioneer presented at Tech Field Day Extra at Cisco Live 2025 on using AI for PCAP analysis. In this post I review the results and conclusions, and provide some of my own observations. When I do my part, I am talking out of my butt here, so it’s not impossible that I’m way off the mark when I voice an opinion. I am also not an expert at AI, just a pessimistic network engineer, so that tends to color my viewpoint.
Cisco Live 2025: Still A Blast, But Less Of One
by Eric Stewart on Jun.18, 2025, under Networking, Technology
I’ve hit every year since 2013, and made it to San Diego this year for another Cisco Live! It was fun, but … there were some noticeable … “things” …
Cisco Modeling Labs
by Eric Stewart on Feb.28, 2025, under Networking, Technology
Work finally got me a licensed version of CML. There’s a free version out there that limits you to five Cisco devices, but a basic licensed version will get you 20 devices. Here’s my experiences so far.
Opengear: Bringing Zero Touch to Out-Of-Band Management
by Eric Stewart on Jul.28, 2024, under Networking, Technology
Opengear was the one non-Cisco presentation for the Wednesday, June 5th presentation at Tech Field Day extra (#TFDx) of Cisco Live 2024 in Las Vegas this year …
CCNP Notes: Spanning Tree/Doing The (Binary) Math
by Eric Stewart on Jul.05, 2024, under Networking, Technology
In an effort to solidify concepts I might need to know for the exam, we look at things from a different point of view. Why Spanning-Tree bridge priorities are the way they are (at least in Cisco-land).
Cisco Live 2023 Review – and Me
by Eric Stewart on Jul.06, 2023, under Networking, Technology
My experiences and review of Cisco Live 2023, including two of those days being spent with the Tech Field Day crew participating in Tech Field Day Extra. Also, a bit about me and why it took almost a month to get this review up.
Cisco Live 2023 – Celebration Musical Lineup Announced! Also, NetVet Scheduling Update
by Eric Stewart on Mar.21, 2023, under Networking, Technology
Who is it? Well, let me just say it’s entirely possible that this year I’ll be staying all the way through to the end …
Cisco Live 2023 – Registration Now Open!
by Eric Stewart on Mar.06, 2023, under Networking, Technology
Registration is now open for Cisco Live 2023, including conference hotels. Here’s what I know so far … which is mainly just a summary of key points from the website.
Proving It’s Not The Network: Catchpoint and Kentik
by Eric Stewart on Oct.05, 2022, under Networking, Technology
Catchpoint and Kentik presented their solutions for network observability at Network Field Day 29. Both solutions seek to provide the necessary evidence to say “It’s not the network”, but with different philosophies. I try no to show too much opinion in this post as to which one seemed more complete to me, and encourage you to watch both presentations for yourself.
Opengear – Making Out Of Band Access More Useful
by Eric Stewart on Sep.20, 2022, under Networking, Technology
Opengear presented on the first day of Network Field Day 29 and talked about using your out of band access more effectively, including using your serial connectivity for more than just emergencies.