Packet Pushers

Author Archives: Packet Pushers

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 »

N4N017: Routing Fundamentals

On today’s N Is For Networking, we explore the fundamentals of routing, focusing on layer 3 of the OSI model. We explain the concepts of routers, routing tables, and routing protocols, and discuss why it’s important to have a firm grasp of these concepts before you tackle advanced topics such as VXLAN and EVPN. Today’s... Read more »

PP053: Rethinking Secure Network Access and Zero Trust With Bowtie (Sponsored)

On today’s Packet Protector episode we talk with sponsor Bowtie about its secure network access offering. If you think secure network access is just another way to say ‘VPN,’ you’ll want to think again. Bowtie’s approach aims to provide fast, resilient connectivity while also incorporating zero trust network access, a secure Web gateway, CASB, and... Read more »

TNO018: The Network Engineer’s Evolution: Thinking Like a Product Owner (Sponsored)

What does it mean for a network engineer to develop a product mindset? And what does a product mindset have to do with network automation? Guest Peter Sprygada connects these concepts in today’s episode of Total Network Operations, sponsored by Itential. Peter says that as an organization advances its network automation capabilities, the impetus shifts... Read more »