Our series on IPv6 basics continues with Router Advertisements (RAs) within the Neighbor Discovery Protocol. We look at how hosts bootstrap onto a network using ICMPv6, discuss the timing of sending out an RA, and then cover the configuration of RAs, including key flags and options. We also talk about the importance of understanding the... Read more »
Cloud security and responsible disclosure are the focus of today’s conversation with guest Kat Traxler. Kat shares her insights on identifying vulnerabilities in cloud services, particularly Google Cloud, and the importance of curiosity in her research. The episode explores the role of bug bounty programs and the shift towards issuing CVEs for cloud vulnerabilities. Lastly,... Read more »
Take a Network Break! This week we cover a couple of listener FUs, and then dive into the news. Attackers exploit a zero-day in Versa to harvest credentials, AT&T agrees to a fine of nearly $1 million for a network outage that affected 911 calls, and Intel and Broadcom tout integrated optics for more broadband... Read more »
Today on the Tech Bytes podcast: network observability. SuzieQ is an open-source project that collects, normalizes, stores, and analyzes multi-vendor network data. This data becomes a foundation for network observability and automation. We talk with Dinesh Dutt, creator of SuzieQ and founder of Stardust Systems, which makes a commercial version of SuzieQ. Stardust Systems is... Read more »
Our Heavy Networking guest today is Hans Driessens, and we sat down at AutoCon1 to talk through some of his network automation projects. Hans shares his journey from a service engineer to a consultant specializing in network automation. We discuss the evolution of programming languages, the importance of foundational programming skills, and the practicalities of... Read more »
On today’s episode we delve into OSPF filtering. That is, how to filter routes from a device’s routing table in an OSPF environment. This is a tricky business, because OSPF requires an identical database on every device in an OSPF area. That means you can’t stop announcing a route from one OSPF router because you... Read more »
Take a Network Break! A US appeals court will let a privacy lawsuit against Google go forward, striking telecom workers are a reminder to test your resiliency planning, and AMD spends nearly $5 billion to acquire systems engineering talent from ZT Systems. Juniper Networks offers deep discounts and other enticements to get network engineers to... Read more »
Today on the Tech Bytes podcast we talk cloud storage. More specifically, we dive into why it’s time for NFS to sail off into the sunset, particularly for cloud datasets. Our guest is Tom Lyon, an industry legend who has delivered a talk entitled “NFS Must Die.” We talk with Tom about the strengths and weaknesses of NFS, the... Read more »
The move from IPv4 to IPv6 is not straightforward. In a world where use cases for both protocols exist, there needs to be some sort of transition. Dual stack is one option but “IPv6 mostly” is another. On today’s show, guest Ondřej Caletka from RIPE NCC explores transitioning to an IPv6-centric network while retaining IPv4... Read more »
Transport Layer Security (TLS) is today’s topic with guest Ed Harmoush. TLS plays a critical role in Internet security, and we dive into the differences between versions 1.2 and 1.3 In addition, Ed shares his journey into TLS, explains its components, and addresses common misconceptions about certificates and their validation processes. The episode also highlights... Read more »
Take a Network Break! Hackers may have stolen millions of US Social Security numbers, HPE acquires a multi-cloud management company, and Cisco announces plans to lay off 7% of its employees. Pure Storage joins industry efforts to make Ethernet suitable for AI workloads by signing on to the Ultra Ethernet Consortium, Texas Instruments will add... Read more »
Today’s episode of Heavy Networking comes to you from AutoCon1 in Amsterdam, recorded live on premises. In today’s network automation discussion, we cover abstraction layers with guest Jaakko Rautanen. Practically speaking, what are abstractions, and how do they help make your network automation project successful? We’ll also discuss some of our guest’s automation projects, how... Read more »
Take a Network Break! This week we cover a judge’s ruling that Google is monopolist and potential outcomes, the HPE/Juniper acquisition clearing regulatory hurdles, and Microsoft flipping the bird at Delta’s legal threats. HPE Aruba Networking adds NDR for IoT devices, Fortinet fortifies its DLP capabilities via acquisition, Azure lets you stack logs in different... Read more »
Today we explore a network automation use case for configuration compliance in the face of never-ending common vulnerabilities and exposures, or CVEs. If you can automate that compliance, you have a shot at keeping pace with the bots and attackers attempting to exploit those CVEs and breaching your network. Our guest is Rekha Shenoy, CEO... Read more »
Nathan Sherrard shares insights from his Cisco Live US sessions on today’s show. We discuss the current state of IPv6 adoption, adoption challenges, and the strategic importance of transitioning to IPv6. Nathan rounds out the show with IPv6 topics worth keeping an eye on. Episode Guest: Nathan Sherrard, Sales Engineer, Cisco Nathan Sherrard is a... Read more »
On today’s Day Two DevOps we talk with Jen Stone, a technical security assessor and aerial arts competition organizer. Jen shares her journey from IT service desk to becoming a security assessor. She emphasizes the importance of creativity and empathy in regulatory compliance while advocating for a collaborative approach to assessments and auditing Episode Guest:... Read more »
Take a Network Break! This week we discuss a proposed class action lawsuit against CrowdStrike, while Delta investigates options to seek damages from CrowdStrike and Microsoft. Microsoft Azure goes down after a DDoS defense error, campus switch sales are forecast to drop significantly in 2024, and DigiCert warns customers that an error it made will... Read more »
AI is making its way into network automation. Maybe the thought of a hallucinating ChatGPT getting its six-fingered hands on your network makes you want to run the other way. But the story of AI for IT operations is more nuanced than the hot takes we get about the confidently dumb results that Large Language... Read more »
Today on the Tech Bytes podcast we talk OpenConfig and data models with sponsor Nokia. Nokia’s SR Linux network OS has embraced OpenConfig to help you support automation initiatives. We talk with Nokia about why it chose OpenConfig, how it handles mixed data models for device platforms that may or may not use OpenConfig, and... Read more »
Take a Network Break! We start with listener follow-up on CrowdStrike and Microsoft, and then examine a CrowdStrike incident review in which the security company says a bug in its content validator meant that a problematic update was mistakenly validated. An insurance company estimates the CrowdStrike Windows crash will cost the Fortune 500 about $5... Read more »
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