Packet Pushers

Author Archives: Packet Pushers

TNO023: Networking’s Third Phase – The Network Operator Experience

Guest Chris Grundemann believes that NetOps is in the third phase of networking–improving the network operator experience. Not just making the network functional or improving end user experience. In this episode, Chris tells his origin story at a wireless service provider and growth into a founder of multiple companies. He also shares his community-focused work... Read more »

N4N020: To Cert Or Not To Cert?

To cert or not to cert? That is the question Holly & Ethan discuss on today’s episode. Will a certification really land you a networking job? Are certs the guaranteed path to tech career success? We consider this, talking through the benefits, challenges and even risks of networking industry certification. And there’s some bonus material,... Read more »

HS099: From CLI to CFO: Translating Complex Network Data into Clear Strategic and Financial Insights (Sponsored)

IT and network leaders need more than uptime—they need to know what their networks cost, what they deliver, and how future changes will impact the business. That’s where Netos comes in. CEO and founder Richard Foster joins Johna and John in a lively discussion to explore how Netos turns complex operational data into clear financial... Read more »

TNO022: Secure Automation at Enterprise Scale for the Public Sector with Red Hat Ansible (Sponsored)

There are both benefits and challenges when adopting automation in the public sector, but Red Hat Ansible enhances efficiency, security and service delivery. With the right tooling, network operators can integrate automation into existing environments and improve network security.  Providing insights into adopting automation in the public sector are Tony Dubiel, Principal Specialist Solution Architect... Read more »

N4N019: Howdy, Neighbor! And Other Routing Stuff

In today’s episode, we continue the discussion about routing and routing protocols by focusing on commonalities rather than differences among  protocols such as OSPF, RIP, EIGRP, or BGP. We explain how, in general, routing protocols discover each other, communicate, maintain relationships, and exchange routing information. Next, we explore the topics of selecting best paths in... Read more »

NAN088: See Something, Improve Something – An Iterative Approach to Automation Success

On today’s Network Automation Nerds, industry veteran Michael Bushong talks about lessons learned from failure. As the network industry grapples with automation and network engineers confront yet another cycle of upskilling and grinding out new certs, he warns against executives and practice leads aiming for the biggest, shiniest project. His advice? Find something that matters... Read more »

PP055: News Roundup – BotNet Targets TP-Link, Threat Hunting In the Electric Grid, Apple Vs. UK Snoops, and More

This week we dive into security headlines including a botnet bonanza that includes TP-Link routers, Chinese attackers targeting Juniper and Fortinet, and a case study of nation-state actors penetrating the operator of a small US electric utility. We also discuss ransomware attacks targeting critical infrastructure, a backdoor in an Android variant used in streaming devices,... Read more »

HS098: Just Following Orders?

What do you do when your colleagues or senior leaders ask you to do something illegal? It’s hardly hypothetical; recent years have seen high-profile firings and convictions of CIOs and CISOs who’ve been ordered to break the law. John and Johna discuss steps that tech leaders can take if they’re put on the spot. Episode... Read more »

N4N018: RIB vs. FIB & Administrative Distance or Route Preference

Ready for more routing and routing protocols? Today we discuss the roles of the network operating system (NOS), routing protocols, the Routing Information Base (RIB), and the Forwarding Information Base (FIB). We also include the dynamics of routing protocols, the importance of hardware like TCAM for performance, and the concept of administrative distance or route... Read more »

PP054: Understanding WireGuard and Overlay VPNs with Tom Lawrence

WireGuard and other overlay VPNs are the focus of today’s podcast with guest Tom Lawrence from Lawrence Systems. We dig into differences between WireGuard and traditional IPSec VPNs, how WireGuard’s opinionated approach to crypto suites helps improve its performance, and how WireGuard compares to OpenVPN. We also look at the broader category of overlay VPNs... Read more »
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