IPv6 Buzz

IPB169: 10 Years of the UK IPv6 Council Feb 20, 2025

IPv6 Buzz welcomes back Veronika McKillop, the founder and President of the UK IPv6 Council, to talk about the council’s formation and achievements in the past ten years. We look at IPv6 adoption in the UK and its challenges, and what the future holds for IPv6. Veronika highlights the need for improved IPv6 education in... Read more »

IPB168: Deploying IPv6-Only Wi-Fi at the SC24 Conference Feb 06, 2025

Want to know how an IPv6-only wireless network was deployed at a conference with 18,000 attendees? Join us as we talk through the technical details with Tom Costello, a senior network engineer at Argonne National Laboratory. Tom volunteers at the International Conference for High Performance Computing, Networking, Storage and Analysis (SC for short) to help... Read more »

IPB167: Crossing the 50% IPv6 Adoption Threshold Jan 23, 2025

IPv6 adoption should cross 50% in 2025. In today’s podcast, we discuss the implications and significance of IPv6 adoption reaching this milestone. While this transition might not be visible to average users, it does impact IT professionals. We explore varying adoption rates across industries, and talk about compliance requirements will soon necessitate IPv6. We also... Read more »

IPB166: Reflections and Projections for IPv6 in 2024 and 2025 Dec 19, 2024

In this end of-the-year episode of IPv6 Buzz, we review the significant developments in IPv6 throughout 2024 and share projections for 2025. We discuss the introduction of a new documentation prefix, analyze IPv6 usage statistics, and review No NAT November. For 2025, we explore the possibilities of updates to RFC 6724 and global adoption of... Read more »

IPB165: IPv6 Basics – Address Planning Dec 05, 2024

Continuing the IPv6 Basics series, today’s podcast addresses IPv6 address planning. Special “guest” Tom Coffeen who literally wrote the book, IPv6 Address Planning, helps answer questions and gives advice on how to effectively plan IPv6 addresses. We discuss topics such as the importance of long-term planning and understanding prefix sizes, common design pitfalls, and the... Read more »

IPB164: Getting a Fresh Start with IPv6 Nov 14, 2024

When you start fresh with IPv6, you have a lot to gain in terms of routing, reputation and security. Today’s show focuses on the differences between provider-assigned (PA) and provider-independent (PI) address spaces. The team discusses the benefits of PI space and the clean slate it offers for address reputation and security. As always, strategic... Read more »

IPB163: Know Your Options: DHCP vs. DHCPv6 Oct 31, 2024

If you’re going to use DHCPv6, you have options, but there are some things you need to know in order to be able to build out your DHCPv6 configuration properly. Today’s IPv6 Buzz explores similarities and differences between DHCP and DHCPv6, particularly the operational model. And as always, you’ll want to verify and test before... Read more »

IPB162: IPv6 Basics: Address Provisioning Oct 17, 2024

IPv6 address provisioning is the topic of this latest installment of the IPv6 Basics series. The hosts focus on Stateless Address Auto Configuration (SLAAC) and Dynamic Host Configuration Protocol for IPv6 (DHCPv6). The differences between SLAAC and DHCPv6 are explained, including their use cases, the complexities of address management, and the importance of understanding... Read more »

IPB161: Compressing the IPv6 Deployment Timeline Oct 03, 2024

In this episode we discuss the complexities of deploying IPv6 on a compressed timeline. We cover the need for careful planning, training, and understanding the protocol’s nuances. The conversation looks at the risks of delaying deployment, the benefits of incremental implementation, and the global momentum towards IPv6 adoption. Misconceptions about IPv6 are addressed, stressing that... Read more »

IPB160: The Making of RFC 9637 – IPv6 Documentation Prefix Sep 19, 2024

IPv6 Buzz welcomes back Nick Buraglio, a frequent guest, to discuss RFC 9637. We get into the details of RFC 9637, which describes the new documentation prefix space for IPv6. We also explore the process of how RFCs go from idea to standard in the IETF. (Cue the “I’m Just a Bill” song from Schoolhouse... Read more »

IPB159: IPv6 Basics – Router Advertisements Sep 05, 2024

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 »

IPB158: “IPv6 Mostly”: A Strategy to Balance Legacy and Modern Networking Needs Aug 22, 2024

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 »

IPB157: IPv6 Adoption Update and Transition Challenges Aug 08, 2024

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 »

IPB156: Insights From the Making of RFC 9099 Jul 25, 2024

RFC 9099 addresses security considerations for operating IPv6 networks, including issues such as address allocation and architecture, security considerations for DHCPv6 and DNS64, and more. Two of the RFC’s co-authors, Merike Kaeo and Eric Vyncke, join the IPv6 Buzz team to talk about the motivations for and challenges of creating RFC 9099. Episode Guests: Merike... Read more »

IPB155: Operational Considerations: DHCP vs DHCPv6 Jul 11, 2024

What are the operational considerations and differences between DHCP and DHCPv6? In today’s episode we explore the implications for network management, security, and operational models. We also discuss the challenges of DHCPv6 failover, high availability, complex device tracking and identity management in various environments. Episode Links: Scott’s Infoblox IPv6 CoE blog post Introducing DHCPv6 Prefix... Read more »

IPB154: IPv6 Basics: Neighbor Discovery Jun 27, 2024

Imagine a world with no broadcast storms, basically no DAD issues, not even ARP and reverse ARP. That is the world of IPv6 neighbor discovery. In today’s episode, we teach you the simplicity of IPv6 neighbor discovery: just native Layer 3 addresses, ICMPv6, and multicast. If you’ve ever been annoyed at a guy hopping on... Read more »

IPB153: Leveraging ICMPv6 to Troubleshoot Network Issues Jun 13, 2024

If you don’t blame “destination unreachable” messages on DNS servers, are you even a real network engineer? All joking aside, Johannes Weber joins the show today to teach us how to use ICMPv6 to troubleshoot network issues, pinpointing if the problem is within your network or outside of it. He walks us through identifying possible... Read more »

IPB152: IPv6 and Windows Active Directory May 30, 2024

If you’re an Active Directory administrator or part of an enterprise network team working with one, this episode is for you. Ed literally wrote the book “Practical IPv6 for Windows Administrators” so Scott has fun interviewing him as today’s guest. Ed goes over how to diagram out your IPv6 deployment, including address allocation and making... Read more »

IPB151: What Changed Alexandra Huides’ Mind about IPv6 May 16, 2024

Alexandra Huides didn’t like IPv6 on her first encounter with it. Today she is globally renowned for spreading the IPv6 gospel and helping AWS customers adopt it. Alexandra joins the show today to share what changed her mind about IPv6 and what she sees change the minds of network engineers every day: Greater client traffic... Read more »

IPB150: IPv6 Basics: ICMPv6 May 02, 2024

As part of our ongoing series on IPv6 basics, today we cover the differences you should be aware of between ICMPv4 and ICMPv6. Internet Control Message Protocol (ICMP) is the protocol that lets you test reachability: Pings, echoes, TCP connections, etc. We explain what you need to know and why you need to know it,... Read more »

IPB149: A Progress Report on the Federal Government’s IPv6 Migration Apr 18, 2024

When you chair the IPv6 Task Force for the United States Federal Government, you get a pretty good view of IPv6 implementation across the world and in every aspect of American society. That’s why we have Rob Sears on the show today. He gives us his perspective as chair of the task force charged with... Read more »

IPB148: Microsoft to Expand CLAT Support in Windows 11 Apr 04, 2024

Today Tom, Scott, and Ed discuss the exciting announcement in IPv6 world: Microsoft is expanding its CLAT support in Windows 11. This means enterprises can be even more comfortable transitioning to a IPv6-only network: Now not only do they have DNS64 and NAT64 to translate IPv4 to IPv6, but they have CLAT for any apps... Read more »

Packet Protector: IPv6 Security Essentials Mar 26, 2024

Welcome to a crossover episode with the Packet Protector podcast! You’re already running IPv6, even if you don’t know it yet. Your remote users are using it at their homes, your printers come with it built into the kernel, your generals are using it on their mobile phones (check out our news headlines section). So... Read more »

IPB147: The Network Engineering Advantages of IPv6 Mar 21, 2024

For years, Johannes Weber has heard network engineers around the world repeat the myth that IPv6 is more of a hassle than IPv4. So he made a list: “Why IPv6 is better than IPv4.” Don’t worry, solving global address exhaustion isn’t on it. In this episode, Johannes goes over his list with precision and passion... Read more »

IPB146: The Basics of IPv6 Addressing Mar 07, 2024

If you’ve been wondering about the double colons and letters you’re seeing in IPv6 addresses, this is the episode for you. Tom and Scott break down IPv6 addressing, starting with the basics of binary and taking you all the way through the etiquette of not using capital letters in Layer 3 addressing (we’re looking at... Read more »

IPB145: Internet Reconnaissance and IPv6 Feb 22, 2024

Are you on the IPv6 hit list? Does your CPE device have Recommended Simple Security Capabilities? Are your ULA prefixes unique, but still manageable? Do you have a protection method structure or are you just hoping that the IPv6 space is so vast the bad guys will never find you? Tom Coffeen and Scott Hogg... Read more »

IPB144: AWS Adds New Charge for IPv4, Governments Push toward IPv6 Feb 08, 2024

A round-up of IP address news to start the new year: Eric Vyncke of the IETF has created an RFC 6724 website that is an excellent time-saving tool for figuring out source destination address selection processes. AWS announces more IPv6 features and support, and adds a new charge for public IPv4 use. State actors, including... Read more »

IPB143: Are We Stuck With Dual-Stack Forever? Jan 25, 2024

These days, most network devices can speak both IPv4 and IPv6. A dual-stack approach can smooth the transition from one protocol to the other because organizations can get comfortable with IPv6 without having to make a hard cutover. However, they may get so comfortable that they never fully commit. In this episode Ed, Scott, and... Read more »

IPv6 Buzz 142: IPv6 Basics – Why We Need IPv6 And How It’s Different From IPv4 Jan 11, 2024

We kick off 2024 with a new limited series called “IPv6 Basics” for those listeners who might be new to this protocol or would like a refresher. Ed and Scott start with why IPv6 was needed and how it is different (and the same) as IPv4. Topics discussed include: Early drivers for IPv6 development IPv6... Read more »

IPB141: IPv6 End Of Year Wrap-Up Dec 14, 2023

In this episode Ed, Scott, and Tom talk about 2023 and what stood out to us as important for IPv6. Topics discussed include: Overall levels of IPv6 adoption IPv6 security in 2023 IETF efforts with IPv6 IPv6-only in the enterprise Thanks for listening! Show Links: IPv6 Deployment Status (RFC 9386), April 2023 – RFC Editor Four... Read more »

IPB140: IPv6 CLAT And IPv6-Only Networks Nov 30, 2023

In this episode Ed, Scott, and Tom discuss the Customer-Side Translator (CLAT) function and its role in enabling client connectivity in IPv6-only networks. Topics discussed include: Traditional use of the CLAT and 464XLAT by mobile service providers How the CLAT may be used in enterprise IPv6-only networks Where DNS64/NAT64 doesn’t work and drives the need... Read more »

IPB139: Avoiding Typical IPv6 Pitfalls Nov 16, 2023

Network engineers and architects considering IPv6 can benefit from the experiences of those who have gone before them by avoiding the problems that have bedeviled other deployments. On today’s show, your hosts discuss three typical pitfalls and how to get over or around them without falling in. Those IPv6 pitfalls include: IPv4 thinking Deploying ULA... Read more »

IPB138: Making Sense Of DHCPv6 Prefix Delegation (DHCPv6-PD) Nov 02, 2023

DHCPv6 Prefix Delegation (DHCPv6-PD) is an IETF RFC that lets one router delegate a long-lived prefix, using DHCP, to a requesting router. What’s the need for this? As the RFC notes, some applications expect stable addresses. It also notes: It is appropriate for situations in which the delegating router does not have knowledge about the... Read more »

IPB137: Running IPv6 At An Internet Exchange Oct 19, 2023

On today's IPv6 Buzz, we talk with Jason Gintert of the Ohio Internet Exchange about what's involved with running an IX and where IPv6 fits in to the picture. We also discuss Jason's work with the US Networking User Association, a group that brings together network engineers to share knowledge and learn from one another.

IPv6 Buzz 136: IPv6 And Zero Trust Architecture Oct 05, 2023

In this episode Tom and Scott explore Zero Trust Architecture (ZTA), where it aligns (and doesn't) with IPv6, and what the future might hold for both technologies.

IPv6 Buzz 135: Making Sense Of IPv6 Address Formatting Sep 21, 2023

Today's IPv6 Buzz episode dives into the topic of IPv6 address formatting, the do's and don'ts of representing an IPv6 address, and what guidance RFC 5952 provides for representing these very long addresses in text.

IPv6 Buzz 134: Revisiting Unique Local Addressing At The IETF Sep 07, 2023

In today's IPv6 Buzz podcast, Ed, Scott, and Tom bring Nick Buraglio back on to the show to discuss IPv6 Unique Local Addressing and the latest activity at the IETF to attempt to address both protocol and operational challenges associated with RFC 6724.

IPv6 Buzz 133: Getting Familiar With IPv6 Multicast Aug 24, 2023

In this episode, Ed, Scott, and Tom discuss IPv6 multicast, what it is, how it differs (and doesn't) from its IPv4 counterpart, and how it's used in production.

IPv6 Buzz 132: Down The Rabbit Hole Of IPv6 Router Advertisements Aug 10, 2023

In this episode, Ed, Scott, and Tom get technical with a discussion of IPv6 Router Advertisements (RAs), what they are, what they're for, what information they contain, new and future RA options, and what you need to know about them to help deploy IPv6 effectively.

IPv6 Buzz 131: Why Bother With IPv6 When Everyone’s Using NAT? Jul 27, 2023

Today's IPv6 Buzz podcast riffs on a question raised in a Reddit thread that asks why you should use IPv6 when NAT exists. Tom, Ed, and Scott provide answers, and also discuss the complicated role of NAT in both IPv6 and IPv4 networks in the past, present, and future.

IPv6 Buzz 130: Routing With Link-Local Addresses Jul 13, 2023

In this IPv6 Buzz episode, Ed, Scott, and Tom get technical (and maybe a little controversial) with a discussion about using IPv6 link-local addresses instead of globally scoped addresses (e.g., GUA and ULA) along with when and why you might choose to do so.

IPv6 Buzz 129: IPv6 Architecture And Subnetting With Daryll Swer Jun 29, 2023

Today's IPv6 Buzz podcast gets into IPv6 architecture and subnetting including how geography fits into IPv6 subnetting, minimum allocation sizes from the RIR to end-users, whether current RIR policies will provide sufficient address space for a future-proof IPv6 architecture, and more. Our guest is Daryll Swer.

IPv6 Buzz 128: Cisco Enabling IPv6 In The Enterprise (Sponsored) Jun 15, 2023

There's only going to be one episode 128 of IPv6 Buzz, and this is it. In this Cisco Country Digital Acceleration Program sponsored episode, co-hosts Ed Horley and Scott Hogg talk with Pradeep Kathail and Mark Townsley. Pradeep is the CTO of Enterprise Networking, and Mark Townsley is a Cisco Fellow in the Meraki Business Unit.

IPv6 Buzz 127: IPv6 Security And Firewalls Jun 01, 2023

In this episode, Ed and Tom interview Scott on the topic of IPv6 security and firewalls. This is one of Scott's many areas of expertise as he is the co-author of IPv6 Security from Cisco Press. They discuss firewalls strategies, design and operational considerations, pros and cons of a dual-stack approach, and more.

IPv6 Buzz 126: What Employers Are Looking For With IPv6 Job Postings May 18, 2023

In this episode of IPv6 Buzz, Ed, Scott, and Tom talk about what employers are looking for when IPv6 shows up in a job posting or as an interview question.

IPv6 Buzz 125: Unique Local Addressing (ULA) And Other IPv6 Topics At IETF 116 May 04, 2023

In today's IPv6 Buzz podcast, Ed and Tom speak with Nick Buraglio, a network architect for the Energy Sciences Network (ESnet). We discuss the recent IETF 116 meeting and what's new with IPv6, ULA, IPv6 end site multihoming and its challenges, and more.

IPv6 Buzz 124: DHCPv6, SLAAC, And DNS – Getting IPv6 Addresses To Hosts Apr 21, 2023

In this episode, Ed, Scott, and Tom discuss how hosts OSes such as Windows, Apple, and Android automatically obtain both IPv6 addresses and DNS server information.

IPv6 Buzz 123: Why You Need An IPv6 Security Plan Apr 06, 2023

Today's IPv6 Buzz podcast explores why you need a plan for IPv6 security. Even if you haven't actively deployed IPv6, you've got v6-enabled hosts on your LAN and remote workers connecting to you over v6 networks. We discuss key elements to consider in your plan, evaluating IPv6 support in security products and services, and more.

IPv6 Buzz 122: Using IPv6 Networks For IPv4 As A Service Mar 23, 2023

On today's IPv6 Buzz podcast we explore the topic of using IPv6 networks to provide IPv4 as a Service (IPv4aaS). Enterprises may become more interested in IPv4aaS as they connect disparate services in their environments. We discuss how IPv4aaS works, and enterprise and service provider use cases.

IPv6 Buzz 121: Uncovering IPv6 Host Default Address Selection Mar 09, 2023

Today's IPv6 Buzz podcast explore the topic of default address selection with IPv6 hosts as defined in RFC 6724. It's very common for a host to have multiple IPv6 addresses of different types (as well as an IPv4 address in dual-stack environments) and RFC 6724 includes rules for which addresses are used first.

IPv6 Buzz 120: Revisiting IPv6 Address Allocation – What’s The Right Size For Your Organization? Feb 23, 2023

Today's podcast episode revisits the subject of IPv6 address allocation along with how changes in network planning and Regional Internet Registry (RIR) policy are influencing allocation size requests. We also look at how network trends around IoT, cloud, and SD-WAN might affect allocation size and how to overcome "IPv4 thinking."

IPv6 Buzz 119: Operational Issues With IPv6 Neighbor Discovery Feb 09, 2023

In today's IPv6 Buzz podcast we discuss IPv6 Neighbor Discovery and some of the operational issues that can happen when configuring and operating IPv6, and what can help listeners understand and resolve those issues.

IPv6 Buzz 118: IPv6 Training At RIPE NCC Jan 26, 2023

In today's IPv6 Buzz podcast, Ed, Scott, and Tom speak with Jad El Cham about the RIPE NCC IPv6 training program as well as RIPE NCC's role as the European and Middle Eastern Regional Internet Registry providing Internet resources including IPv6 addresses.

IPv6 Buzz 117: Microsoft’s OS Evolution With IPv6 Jan 12, 2023

The IPv6 Buzz podcast talks with Richard Hicks about Microsoft's OS changes and use cases for IPv6. Richard is a technology consultant and author. We discuss which Microsoft solutions use IPv6, what its v6 strategy changed, and more.

IPv6 Buzz 116: Hey Vendors! What About IPv6-Only? Dec 15, 2022

In today's IPv6 Buzz episode, Ed, Scott, and Tom talk about the good, bad, and ugly of vendor support for IPv6-only. While some vendors support dual-stack deployments, things get a little more precarious when you want to turn off IPv4 entirely.

IPv6 Buzz 115: DNS And IPv6 Dec 01, 2022

In this episode, Ed, Scott, and Tom talk about DNS and IPv6. We cover legacy IPv6 brokeness and DNS, how DNS performs over v6, and how DNS works with v6-only networks.

IPv6 Buzz 114: Another Listener Questions Episode! Nov 17, 2022

Today's IPv6 Buzz episode answers listener questions about Duplicate Address Detection (DAD) and auto-addressing, privacy and IPv6, and where NAT46 fits in.

IPv6 Buzz 113: We Have DAD Issues (Duplicate Address Detection) Nov 03, 2022

In this episode of IPv6 Buzz, Ed, Scott, and Tom talk about our DAD issues — well, our IPv6 Duplicate Address Detection (DAD) issues anyway. DAD is a feature of IPv6 that looks for duplicate IP addresses among hosts on the same segment. We discuss how it works and operational considerations.

IPv6 Buzz 112: What’s New With IPv6 At The IETF? Oct 20, 2022

In this episode of IPv6 Buzz, Ed, Scott, and Tom speak with XiPeng Xiao, the new chair of the IETF v6ops working group. We discuss the lastest work in IPv6 at the IETF, whether the IETF should have a role in promoting v6 in the enterprise, and more.

IPv6 Buzz 111: IPv6 And The Public Cloud Oct 06, 2022

What's the state of IPv6 in the public cloud? What support is available in which of the major providers? What are the cloud challenges of v6? How does v6 affect multi-cloud architectures? The latest episode of the IPv6 Buzz podcast examines these and other v6 questions for public cloud.

IPv6 Buzz 110: The Peculiar Power Of DHCPv6 Option 108 Sep 22, 2022

On today's IPv6 Buzz podcast we explore DHCPv6 Option 108. Option 108 basically allows a DHCP server to use IPv4 to contact a host and tell that host to disable its IPv4 stack and switch to IPv6-only. In other words, you're using IPv4 to turn off IPv4. We examine the use cases for this peculiar capability.

IPv6 Buzz 109: Microsegmentation With IPv6 Sep 08, 2022

In this episode of the IPv6 Buzz podcast, Ed, Scott, and Tom talk about microsegmentation with IPv6 and what the IT use cases look like.

IPv6 Buzz 108: IPv6 In The Asia Pacific Region Aug 25, 2022

In this IPv6 Buzz episode, we with George Michaelson of APNIC about IPv6 in the Asia Pacific region (and beyond). Topics include how mobile drives IPv6, regional variations in adoption, and what's going on with IPv6 in China.

IPv6 Buzz 107: IPv6 Unique Local Addresses (ULA) At IETF 114 Aug 11, 2022

In this episode, Ed and Tom talk with Nick Buraglio about ongoing efforts within the IETF to improve ULA. Nick is co-author of the IETF draft "Unintended Operational Issues With ULA" and recently presented at IETF 114 in Philadelphia.

IPv6 Buzz 106: How To Retire Before You Have To Deploy IPv6! Jul 28, 2022

In this IPv6 Buzz podcast episode Ed, Scott, and Tom--with tongues firmly in cheek---discuss some of the ways to avoid or put off IPv6 adoption until you can retire.

IPv6 Buzz 105: IPv6 Transition Technology Design Considerations Jul 14, 2022

In this episode, the IPv6 Buzz crew talk about IPv6 transition technologies – especially NAT64/DNS64 – and what design considerations come into play when deploying them.

IPv6 Buzz 104: IPv6 For Redundancy When IPv4 Fails Jun 30, 2022

In this IPv6 Buzz episode we talk about the benefit of IPv6 connectivity when IPv4 fails. We examine the types of IPv4 failures, how IPv6 behaves during IPv4 failure, application dependencies, and more.

IPv6 Buzz 103: Celebrating The 10th Anniversary Of World IPv6 Launch Jun 17, 2022

In today's IPv6 Buzz podcast episode, Ed, Scott, and Tom chat about the recent 10th anniversary of World IPv6 Launch, the global event that kickstarted IPv6 adoption back in 2012.

IPv6 Buzz 102: The Problem With IPv4 Thinking Jun 02, 2022

In this episode of IPv6 Buzz Ed, Scott, and Tom discuss "IPv4 thinking", what exactly it is, how it can be harmful to your IPv6 migration efforts, and—most importantly—how to avoid it.

IPv6 Buzz 101: Innovating With IPv6 May 19, 2022

In this episode of IPv6 Buzz, Ed, Scott, and Tom talk about innovation using IPv6. The limitless supply of addresses creates new opportunities for network engineers and application developers, including flat networks with many more nodes, robust segmentation options, supporting overlays, and more.

IPv6 Buzz 100: Celebrating 100 Episodes Of IPv6 Buzz! May 05, 2022

In this episode of IPv6 Buzz Ed, Scott, and Tom celebrate 100 episodes of this podcast with two special guests: the Packet Pushers' very own Ethan Banks and Greg Ferro.

IPv6 Buzz 099: Why You Need An IPv6 Proof Of Concept Lab Apr 21, 2022

In this episode of IPv6 Buzz we talk about what a Proof of Concept (PoC) lab is and why you probably need one as part of your IPv6 initiative. We discuss technical challenges and considerations, how much of your production network you need to model, learning opportunities that come with a lab, and more.

IPv6 Buzz 098: Troubleshooting IPv6 Apr 07, 2022

In this episode of IPv6 Buzz Ed, Scott, and Tom talk about some of the challenges and best-practices when troubleshooting IPv6, including tools that work for IPv4 and v6, online test sites, and more.

IPv6 Buzz 097: Selling An IPv6 Project To Your Organization Mar 24, 2022

Today's IPv6 Buzz discusses how to sell IPv6 as a project. That is, doing the advocacy work in your organization to drive IPv6 adoption. We examine the business and technical arguments you can make, including tying IPv6 to initiatives around cloud, containers, and zero trust.

IPv6 Buzz 096: Greenfield Vs. Brownfield IPv6-Only Deployments Mar 10, 2022

Today's IPv6 Buzz discusses different strategies for going IPv6-only in both greenfield and brownfield environments.

IPv6 Buzz 095: Enterprise IPv6 Is Here – Time To Pivot Your Career? Feb 24, 2022

In the latest episode of IPv6 Buzz we talk to network architect Ben Bittfield about his experience moving to a large enterprise after a decade of IPv6 design and deployment work at Sprint/T-Mobile, and how learning IPv6 can impact your enterprise career.

IPv6 Buzz 094: Measuring IPv6 Growth Feb 10, 2022

IPv6 adoption is growing worldwide. On today's IPv6 Buzz podcast, we discuss which countries are leading the way, what IPv6 adoption looks like among enterprises and service providers, and what it means for network engineers and architects.

IPv6 Buzz 093: Dissecting DHCPv6 Jan 27, 2022

In this latest episode of IPv6 Buzz, Ed, Scott, and Tom do their first episode-long dive into DHCPv6, how it works, how it differs from IPv4 DHCP, and some aspects of dealing with its deployment.

IPv6 Buzz 092: Listener Questions – NAT66, Stable IPv6 Prefix Delegation And More! Jan 13, 2022

In the latest episode of IPv6 Buzz, we tackle the first listener questions of the year (well, really left over from the end of 2021 but still good ones!). Those questions cover topics including Unique Local Addressing (ULA) and SD-WAN, NAT66, IPv6 prefix delegation, and more.

IPv6 Buzz 91: Thanks For Listening To IPv6 Buzz In 2021! Dec 16, 2021

In this episode we discuss presentations at the recent UK IPv6 Council meeting. More importantly, we say thanks to you, our listeners, for keeping IPv6 Buzz in your IT podcast playlist this tumultuous year---as well as for all the great listener questions and feedback. We'll see you again in 0x7e6 (2022, that is) for even more adventures in the 128-bit IPv6 wormhole!

IPv6 Buzz 90: IPv6 Unique Local Addresses (ULAs) And You Dec 02, 2021

In this episode Ed, Scott, and Tom chat about Unique Local Addresses (ULAs), what they are, how they are used, when (or if) you should use them in your networks.

IPv6 Buzz 089: An IPv6 Deployathon With AFRINIC Nov 18, 2021

In this IPv6 Buzz episode, Tom and Ed chat with Mukom Tamon, AFRINIC's head of capacity building, about IPv6 Deployathon events and how Mukom and AFRINIC are helping move IPv6 deployment forward in Africa and beyond.

IPv6 Buzz 088: Host OS IPv6 Addresses – What’s Up With That? Nov 04, 2021

In this episode of IPv6 Buzz we chat about IPv6 addresses on host OSes: the different types, how they are formed, what they look like, how to tell them apart, and how they are used.

IPv6 Buzz 087: How Merit Network Used Carrots Over Sticks To Drive IPv6 Adoption Oct 21, 2021

Merit Network is a non-profit ISP that provides network and security services for universities, K-12 schools, libraries, and other educational communities in Michigan. On today's IPv6 Buzz we speak with Lola Killey, Infrastructure and Research Support Analyst, about how Merit encouraged IPv6 adoption and what other institutions can learn from that effort.

IPv6 Buzz 086: E-Commerce And Holiday Shopping With IPv6! Oct 08, 2021

As the holiday shopping season fast approaches, the IPv6 Buzz crew dive into IPv6 in relation to e-commerce.

IPv6 Buzz 085: Is Your Network Ready For IPv6? Sep 24, 2021

In this episode of IPv6 Buzz, we discuss IPv6 network readiness assessments, what they should include, and some helpful ideas for where to start.

IPv6 Buzz 084: Wi-Fi 6E Adoption And IPv6 Sep 09, 2021

In this episode of IPv6 Buzz, we compare IPv6 adoption to Wi-Fi 6E adoption (and talk about IPv6 Wi-Fi at large) with guest Tom Hollingsworth of Gestalt IT and Tech Field Day.

IPv6 Buzz 083: The IPv6 Interface Identifier Aug 26, 2021

In this IPv6 Buzz podcast episode we geek out about the IPv6 Interface Identifier (IID, i.e., the lower 64 bits of an IPv6 address reserved for interface identification). We discuss why IID is 64 bits, typical configurations, and innovative uses for it.

IPv6 Buzz 082: All About Allocations Aug 12, 2021

In today's IPv6 Buzz podcast we discuss IPv6 allocations, which are critical to successful IPv6 adoption. Topics include allocation sizing, address planning, and differences among Regional Internet Registries (RIRs), service providers, and government agencies.

IPv6 Buzz 081: App Development And IPv6 Jul 30, 2021

In today's IPv6 Buzz podcast, hosts Ed and Tom speak with Richard Campbell all about app development and IPv6, including challenges developers face with the protocol, IPv6 adoption among developers, and more. Richard is a Microsoft veteran, DevOps manager, and host of the tech podcasts RunAs Radio and .NET Rocks.

IPv6 Buzz 080: Working With IPv6 In The Management Plane Jul 15, 2021

On today's IPv6 Buzz, Ed and Scott talk about IPv6 in the management plane with network engineers Nick Buraglio and Chris Cummings, including management challenges, dual-stack vs. IPv6 only, IPv6 prefix space for lab deployments, and more.

IPv6 Buzz 079: IPv6 In The Data Center Jul 01, 2021

In this week's IPv6 Buzz podcast, we explore IPv6 in the data center with guest Jeff Tantsura. Jeff is formerly head of Network Strategy with Juniper/Apstra, and now with Microsoft Azure. We explore IPv6 use cases in the data center, reasons for and challenges of assigning a /64 per host, leveraging IPv6 flow labels to improve data center fabric performance, and more.

IPv6 Buzz 078: IPv6 For Small And Medium-Sized Businesses Jun 17, 2021

IPv6 isn't just for large enterprises. In today's IPv6 Buzz episode Ed, Scott, and Tom makes the case for small and medium-sized businesses embracing the protocol, and what they should consider for deployment and management.

IPv6 Buzz 077: Revisiting World IPv6 Launch With Tim Martin Jun 03, 2021

In this week's IPv6 Buzz podcast, Ed, Scott, and Tom discuss the 9th anniversary of World IPv6 Launch (and the 10th anniversary of World IPv6 Day) with Cisco alumnus and IPv6 expert (and IPv6 Buzz's first guest!) Tim Martin.

IPv6 Buzz 076: Even More Listener Questions! May 20, 2021

Where does IPv6 fit in to the Zero Trust model of network security? What are the considerations when deploying IPv6 on a global network with lots of firewalls? Are there caveats to using IPv6 Global Unicast Addresses (GUAs)? Today's IPv6 Buzz podcast answers these and other listener questions.

IPv6 Buzz 075: Why Wells Fargo Bought Into IPv6 May 06, 2021

In this week's IPv6 Buzz episode, Ed, Scott, and Tom chat with John Burns, a lead architect at Wells Fargo, about the relatively early adoption of IPv6 at the company. The discussion also covers adoption trends in the financial sector as a whole, along with the key challenges and opportunities of the protocol.

IPv6 Buzz 074: IPv6 And Public VPN Services Apr 22, 2021

In this week's IPv6 Buzz episode, Ed, Scott, and Tom discuss the state of public VPN services and IPv6 with Tomislav Čohar, principal architect at, and cofounder of, the hide.me VPN service.

IPv6 Buzz 073: Exploring Microsoft’s IPv6 History Apr 08, 2021

This week's IPv6 Buzz episode features Justine Vick, network architect and engineer and Microsoft veteran whose IPv6 work dates back to the earliest inclusion of the protocol in Windows.We talk about why Microsoft supported and deployed IPv6 early, support challenges in-house and externally, how IPv6 affects software development, and more.

IPv6 Buzz 072: NIST And Testing IPv6 Interoperability Mar 25, 2021

Today's IPv6 Buzz guest, Doug Montgomery, is manager of Internet and scalable systems research at the National Institute of Standards and Technology (NIST), which has been critical in helping standardize IPv6 interoperability standards and testing.

IPv6 Buzz 071: IPv6 And SD-WAN Mar 11, 2021

In this week's IPv6 Buzz episode Ed, Scott, and Tom discuss how IPv6 fits into the SD-WAN picture and some of the considerations of deploying IPv6 with this networking technology.

IPv6 Buzz 070: Building An IPv6 Lab, Revisited Mar 01, 2021

In this week's IPv6 Buzz episode, Ed, Scott, and Tom follow up on episode 44 and talk more about what it takes to build an IPv6 lab—both dual-stack and IPv6-only—as well as with physical hardware and in the cloud).

IPv6 Buzz 069: IPv6 And LACNIC In Latin America Feb 11, 2021

Latin America boasts impressive growth in IPv6 adoption. In today's podcast we speak with Alejandro Acosta, Innovation and Development Engineer at Latin America's Regional Internet Registry, LACNIC, to find out how the region is achieving its deployments.

IPv6 Buzz 068: Addressing The New Federal IPv6-Only Mandate Jan 28, 2021

In this week's IPv6 Buzz episode Ed, Scott, and Tom talk about the likely impacts of the latest IPv6 mandate from the federal government, which directs that 80% of each fed network be IPv6-only by 2025. Our guest is Nick Buraglio. Nick is a network architect and technical analyst with the Energy Sciences Network and has decades of experience working in and on government nets.

IPv6 Buzz 067: IPv6 In The Cloud With Ivan PepeInjak Jan 14, 2021

Today's IPv6 Buzz episode examines the state of IPv6 in the public cloud, including capabilities and limitations with current v6 support in AWS and Azure, ongoing customer demand for v4, and more. Our guest is Ivan Pepelnjak.

IPv6 Buzz 066: Is IPv6 Baked Enough? Dec 10, 2020

Today's IPv6 Buzz podcast tackles the question of IPv6 maturity, how much change we might expect to the protocol going forward, the standards process, and more. Our guest is Russ White, Infrastructure Architect at Juniper Networks. Russ is an author, speaker, and chairs two IETF working groups.

IPv6 Buzz 065: Understanding Carrier-Grade NAT (CGN) And IPv6 Nov 26, 2020

In this week's IPv6 Buzz episode, Ed and Tom talk discuss the impact that service provider deployment of Carrier Grade NAT (CGN) has had on the overall adoption of IPv6. Our guests are Kevin Myers and Nick Russo. Kevin and Nick have both worked with CGN and IPv6, and Nick is designing an IPv6 training course on Pluralsight.

IPv6 Buzz 064: The Ghosts Of IPv6 Nov 12, 2020

Today's IPv6 Buzz explores some of the RFCs and vendor technologies that didn't quite make it as IPv6 evolved.

IPv6 Buzz 063: Revisiting IPv6-Only Oct 29, 2020

In this week's episode Ed, Scott, and Tom revisit the topic of IPv6-only and discuss its current state in service provider networks, in the data center, and even to the desktop.

IPv6 Buzz 062: Reviewing DNS Flag Day 2020 Oct 15, 2020

DNS Flag Day is a community effort by service providers and DNS software vendors to address DNS issues. In this week's IPv6 Buzz episode, Ed and Scott speak with guest Andrew Wertkin about the DNS flag day for 2020, which took place October 1st. They discuss what this year's DNS Flag Day addressed, plus DNS behavior that listeners should look for that might indicate they aren’t current with their DNS settings and configurations.

IPv6 Buzz 061: Weird And Wacky IPv6 Addressing Oct 01, 2020

In this week's IPv6 Buzz podcast, Ed, Scott, and Tom talk about some of the weird things they've seen folks do with IPv6 addresses. IPv6 is different than IPv4 in many ways but the endless supply of IPv6 addresses yields endlessly crazy ways to use them.

IPv6 Buzz 060: Why the Internet Needs IPv6 – With Special Guest Vint Cerf Sep 18, 2020

In this week's episode Ed, Scott, Tom, and guest host Greg Ferro talk to Vint Cerf about why the Internet needs IPv6, and whether the Internet is in danger of fragmenting along political lines and the impacts of that fragmentation. Vint is Google's chief Internet evangelist and the co-creator, with Bob Khan, of the Internet Protocol.

IPv6 Buzz 059: More Listener Questions Asked And Answered Sep 03, 2020

The IPv6 Buzz crew answers listener questions on today's episode, including use cases for Network Prefix Translation v6, challenges of asymmetric routing in IPv6, why Cisco supports LDPv6 on IOS-XR but not XE, and more.

IPv6 Buzz 058: Tackling IPv6 Access Challenges Aug 20, 2020

In this week's episode Ed, Scott, and Tom talk to Nico Schottelius, CEO of Ungleiich Glarus, a Swiss IT services company that has developed a VPN IPv6 IoT Router Box (VIIRB), allowing cheap and secure access to the IPv6 Internet from anywhere.

IPv6 Buzz 057: Thinking Differently With IPv6 Aug 06, 2020

What do novice engineers need to know about IPv6? How can v6 help you rethink customer solutions? What will networking look like in 20 years? Today's IPv6 Buzz podcast explores these questions and more with guest Chris Grundemann, author and veteran IPv6 advocate.

IPv6 Buzz 056: What’s The Deal With NAT64? Jul 23, 2020

In this week's IPv6 Buzz episode, Ed and Tom speak with Sander Steffann to get his expert take on NAT64, an important IPv6 transition technology. We also delve into his critical IPv6 efforts with the European Regional Internet Registry (RIPE).

IPv6 Buzz 055: The Good, Bad, And Ugly Of IPv6 With Geoff Huston Jul 09, 2020

We discuss the challenges and opportunities of IPv6 with Geoff Huston, APNIC's chief scientist and network analyst nonpareil. Topics include how dual-stack and Happy Eyeballs have papered over v6 deficiencies, why the address space may not be as vast as advertised, and why v6 is still the future.

IPv6 Buzz 054: How (Not) To Mess Up Your IPv6 Deployment! Jun 25, 2020

In this week's episode Ed, Scott, and Tom draw on their years of (sometimes painful) experience in deploying IPv6 to offer some practical guidance on how not to mess up your enterprise IPv6 deployment.

IPv6 Buzz 053: Applications And IPv6 Jun 11, 2020

In this week's IPv6 Buzz episode, Scott and Tom discuss applications and IPv6 with Dan York. They also talk to Dan about his role at the Internet Society and pro-IPv6 ISOC programs such as Deploy360 and Open Standards Everywhere.

IPv6 Buzz 052: What Do Network Engineers Need To Know About IPv6? May 28, 2020

Today's IPv6 Buzz podcast examines key topics network engineers should know when working with v6, including the complexities of auto-addressing, network security and dual-stack environments, address plans, and more. Our guest is engineer and consultant Andres Taudte.

IPv6 Buzz 051: How The Work-From-Home Movement Affects IPv6 And The Internet May 14, 2020

The IPv6 Buzz crew examine how the recent increase in working from home have affected Internet traffic as a whole--and IPv6 in particular. Will recent developments push IPv6 closer to a "tipping point"? What is VPN breakout and how is it impacted by IPv6? They discuss these topics and more.

IPv6 Buzz 050: How To Get Network Engineers To Prioritize IPv6 Apr 30, 2020

Packet Pushers co-founders Ethan Banks and Greg Ferro join the 50th episode of IPv6 Buzz to talk about why network engineers haven't prioritized IPv6, and how to change that.

IPv6 Buzz 049: IPv6 and Renumbering Apr 16, 2020

In this week's episode Ed, Scott, and Tom discuss one of IT networking's biggest challenges, IP renumbering, and how IPv6 impacts (and is impacted by) it. Anyone who's ever had to do a significant IPv4 renumbering project knows just how labor intensive and painful this process can be. Will it be easier with IPv6? If so, how and why?

IPv6 Buzz 048: From Learning To Teaching IPv6 Apr 02, 2020

In this week's IPv6 Buzz episode, we discuss the path from learning IPv6 to teaching it with Nicole Wajer, a Technical Solution Architect at Cisco and a frequent presenter at CiscoLive. She's an expert on IPv6 training.

IPv6 Buzz 047: End-User And Client Wireless IPv6 Mar 19, 2020

In this week's IPv6 Buzz episode, Ed and Tom discuss deploying end-user wireless IPv6 with Charlie Clemmer, a principal network engineer with HPE/Aruba and regular WLPC presenter. We talk about how to get started, key tools and utilities to help with deployment, and more.

IPv6 Buzz 046: Managing Networks With IPv6 And NAT64 Mar 05, 2020

In this week's IPv6 Buzz episode, we talk to Cody Christman about managing networks with IPv6 using the critical transition/translation technology NAT64. We cover why overlapping IPv4 addresses are a big driver for using NAT64, the technical debt of IPv4 NAT, how IPv6 re-simplifies networking, and more.

IPv6 Buzz 045: Fine-Tuning IPv6 Adoption Strategies For Service Providers And Enterprises Feb 20, 2020

Today's IPv6 Buzz podcast discusses global IPv6 adoption strategy with Pete Sclafani of 6connect, a global network automation platform for service providers and enterprises. Topics covered include how to overcome fear of change, closing knowledge gaps around IPv6, understanding how IPv6 affects business processes as much as technology processes, and more.

IPv6 Buzz 044: Building An IPv6 Lab Feb 06, 2020

The best way to learn IPv6 is to get it into the lab and play with it. On today's IPv6 Buzz podcast, we share advice, learnings, and tips on building a lab and getting your hands dirty with this protocol.

IPv6 Buzz 043: Let’s Explore IPv6 Router Advertisements! Jan 23, 2020

In this week's IPv6 Buzz episode, Ed and Tom talk in depth about IPv6 Router Advertisements (or RAs), what they are, what they do, and why they're critical to IPv6 operations.

IPv6 Buzz 042: Why Wireless Is A Smart Place To Start With IPv6 Jan 09, 2020

If you're looking for a way to bring IPv6 into your environment, the WLAN may be your best bet. Find out why in the latest episode of IPv6 Buzz with guest Jeffry Handal. Jeffry cut his teeth with an early v6 deployment on the wireless network of Louisiana State University (LSU). This WLAN serves 40,000 users and over 100,000 devices. He shares his experiences and talks about how vendor adoption of v6 had advanced since that deployment.

IPv6 Buzz 041: IPv4 Address Exhaustion And You! Dec 12, 2019

The Regional Internet Registry for Europe (RIPE) recently announced its supply of public IPv4 addresses was officially depleted. In today's IPv6 Buzz podcast, we discuss what that means and why it's impactful for companies everywhere. We also discuss the history of IPv4 address exhaustion and why IPv6 is key to avoiding or mitigating the negative effects.

IPv6 Buzz 040: What We’re Thankful For With IPv6 Nov 28, 2019

From the virtually limitless supply of IPv6 addressing to good vendor support to IPv6-only efforts and beyond, Ed, Scott, and Tom discuss what they’re most thankful for when it comes to IPv6 in this holiday episode of IPv6 Buzz.

IPv6 Buzz 039: Bringing IPv6 Into Enterprise Wireless Nov 14, 2019

This week's IPv6 Buzz discusses getting IPv6 into enterprise wireless environments. We discuss what proper vendor support for v6 looks like, evaluate the impact of a lack of DHCPv6 support in Android, why running dual stack is more work than a clean cutover, and more. Our guest is Joe Neville, a technical consultant at HPE Aruba.

IPv6 Buzz 038: IPv6 In The Federal Government Oct 31, 2019

Today's episode explores how the US federal government views IPv6 adoption. We also explore the use of IPv6 by the U.S. Department of Defense, including innovations, and how the DoD's use affects its work with civilian entities. Our guest is Jeremy Duncan, founder and leading partner of the consultancy Tachyon Dynamics.

IPv6 Buzz 037: Understanding And Working With IPv6 Special Addresses Oct 17, 2019

Today's IPv6 Buzz dives into IPv6 special addresses--what they are, how they're used in production, potential issues, and more.

IPv6 Buzz 036: IPv4 Special Addresses And IPv6 Adoption Oct 03, 2019

In this IPv6 Buzz episode we discuss IPv4 special address ranges, the reasons behind efforts to make them globally routable, and what impact this is likely to have on IPv6 adoption.

IPv6 Buzz 035: Selling Your IPv4 Addresses For Fun And Profit Sep 19, 2019

Your IPv4 addresses are a financial asset because the market for v4 address space is rising. The question is, for how long? Guest Lee Howard joins the IPv6 Buzz podcast crew to discuss the financial implications of selling IPv4 addresses. They also discuss the performance and operational benefits of moving to IPv6.

IPv6 Buzz 034: Why AWS Embraces IPv6 Sep 05, 2019

AWS regards IPv6 as a key mechanism to enable customer agility, and to meet rising demands from new applications and devices, particularly IoT. In this episode, Scott and Tom interview Alan Halachmi, Senior Manager of Solutions Architecture at AWS. They discuss current and planned IPv6 support in AWS services, the cloud provider's challenges in deploying the protocol, and advice for cloud users on adopting IPv6.

IPv6 Buzz 033: ARIN’s Role In IPv6 Address Allocation Aug 22, 2019

ARIN is the official network numbers register for IPv4 and IPv6 addresses, as well as ASNs, for North America. The IPv6 Buzz crew talk with Mark Kosters, ARIN's CTO, about its role in providing IPv6 address resources, policy, and advocacy.

IPv6 Buzz 032: LinkedIn Recruits IPv6 – Challenges And Lessons Learned Aug 08, 2019

LinkedIn has been working with IPv6 for years. On today's IPv6 Buzz episode, LinkedIn engineer Franck Martin discusses the technical and cultural challenges of adoption, explores why the company engaged with IPv6, and shares lessons to help others with their own deployments.

IPv6 Buzz 031: Learning IPv6 At The Host OS Level Jul 25, 2019

Learn about how IPv6 works on host OSs on today's IPv6 Buzz podcast. Tom Coffeen and Scott Hogg talk with Ed Horley about the host OS course he's teaching. They discuss how to set up a lab, how v6 differs from v4 at the host level, key differences in support for DHCPv6, and more.

IPv6 Buzz 030: Overcoming The Big 3 Objections To IPv6 Adoption Jul 11, 2019

Objections to IPv6 adoption tend to follow three tracks: we don't need it, we don't have budget, and we'll lose the security and multihoming benefits of NAT. On today's IPv6 Buzz podcast, Dr. David Holder explains why these objections don't hold water, and how to communicate with business and technical leaders to overcome them.

IPv6 Buzz 029: You Just Got Your First IPv6 Addresses – Now What? Jun 27, 2019

Your v6s are here--where do you want 'em? On today's IPv6 Buzz podcast, guest Tim Rooney dives into IPv6 address planning and management for IT teams that are just getting started.

IPv6 Buzz 028: Are Container Networks Ready For IPv6? Jun 13, 2019

Shannon McFarland discusses IPv6 and container networking on today's IPv6 Buzz podcast episode. We look at the state of v6 support in containers and orchestration platforms, how v6 addressing works with containers, the role of service meshes, and much more.

IPv6 Buzz 027: Making The Leap To Enterprise IPv6 May 30, 2019

Today's IPv6 Buzz podcast discusses key approaches to getting IPv6 deployed in the enterprise. Guest Enno Rey talks about how to identify quick wins, being liberal and flexible as you deploy, and more. The IPv6 crew also talks about IPv6 security, and Enno shares highlights from his recent RIPE78 presentation.

IPv6 Buzz 026: MAP-T And Happy Eyeballs With Andrew Yourtchenko May 16, 2019

The IPv6 Buzz crew talks MAP-T, MAP-E and Happy Eyeballs with Andrew Yourtchenko, co-author of the original Happy Eyeballs RFC. We discuss the role of Happy Eyeballs given current rates of IPv6 adoption, the differences between MAP-T and MAP-E, and more.

IPv6 Buzz 025: Teaching IPv6 With Instructor And Author Rick Graziani May 02, 2019

College instructor and author Rick Graziani stops by the IPv6 Buzz podcast to talk about teaching IPv6, including the differences between teaching college students and training IT professionals, how networking and IT are taught in universities and community colleges, and more.

IPv6 Buzz 024: Enterprise IPv6 Address Planning Revisited Apr 18, 2019

The Packet Pushers stop by the IPv6 Buzz studios for a follow-up conversation with Tom Coffeen and Ed Horley on IPv6 address planning, including why nibble boundaries are so useful for subnetting, use cases for PI and PA address spaces, and tool recommendations.

IPv6 Buzz 023: How State Task Forces Drive IPv6 Adoption Apr 04, 2019

State and regional IPv6 task forces advocate for IPv6 adoption by state governments and the private sector, and educate engineers. In today's episode we chat with George Usi, the Co-Chair of the California IPv6 Task Force to learn more about the task force's goals and what it's achieved to date.

IPv6 Buzz 022: Critical Security Differences Between IPv4 And IPv6 Mar 21, 2019

There are a few critical security differences between IPv4 and IPv6, including host addressing and extension headers. In today's IPv6 Buzz episode, we examine these differences, and other v6 security issues, with guest Eric Vyncke, a Distinguished Engineer at Cisco and co-author of the book "IPv6 Security."

IPv6 Buzz 021: NAT Isn’t Necessary For Security: Answering Listener Questions Mar 07, 2019

Today's episode of IPv6 Buzz answers listener questions including why NAT isn't necessary for security, and the feasibility of scanning a v6 network to discover devices. Thanks for the questions and keep them coming!

IPv6 Buzz 020: Demystifying IPv6 Protocol Analysis With Denise Fishburne Feb 21, 2019

In today's episode we make sense of IPv6 protocol analysis with expert teacher and troubleshooter Denise Fishburne. We discuss the importance of using a protocol analyzer and packet captures to better understand IPv6, and how to get over your fear of learning this protocol.

IPv6 Buzz 019: IPv6 And Broadband Internet Cable Providers Feb 07, 2019

In the latest episode of IPv6 Buzz we examine IPv6 deployment among cable providers. We'll discuss industry trends, financial and technical drivers for adoption, and how the cable industry is working to transition IPv4 out of the providers' access and distribution networks. Our guest is Dan Torbet.

IPv6 Buzz 018: Inside The IETF With Fred Baker Jan 24, 2019

On today's IPv6 Buzz we examine the influence of the Internet Engineering Task Force (IETF) in today's technology landscape, particularly around the Internet Protocol (IP). Our guest is Fred Baker, emeritus chair of the IETF.

IPv6 Buzz 017: The IPv6 Year In Review Jan 10, 2019

What's in store for IPv6 in 2019? What happened--and didn't happen--in 2018? Ed, Scott, and Tom analyze the pace of IPv6 growth around the world over the past year, and offer forecasts for the coming year.

IPv6 Buzz 016: Happy Holidays With IPv6 Haiku Dec 27, 2018

Thanks to everyone that tuned in this year! We're looking forward to bringing you more IPv6 Buzz in 2019!

IPv6 Buzz 015: How ‘Happy Eyeballs’ Improves User Experience With v6 Dec 13, 2018

Today's IPv6 Buzz episode peers into RFC 6555, aka 'Happy Eyeballs,' which helps dual-stack clients select a v6 or v4 address faster. Our guest is Dan Wing, a co-author of Happy Eyeballs.

IPv6 Buzz 014: We Answer Listener Questions Nov 29, 2018

Today's IPv6 Buzz podcast episode answers listener questions including where and how you can get a block of v6 addresses for testing and learning, when to use DHCPv6 vs. SLAAC, and more. Send us more questions at @IPv6Buzz on Twitter.

IPv6 Buzz 013: Enterprise IPv6 Adoption Challenges And Solutions Nov 15, 2018

In today's IPv6 Buzz episode we dive into the challenges of IPv6 adoption in the enterprise. We discuss how and why to set up an internal IPv6 working group, why you need more than the networking team involved, and other key issues. Our guest is Silvia Hagen.

IPv6 Buzz 012: Why Service Providers Are Driving IPv6 Deployments Nov 01, 2018

Service provider are driving IPv6 deployments in the US and globally. On today's IPv6 Buzz podcast we talk about why with guest Jeff Doyle. We discuss address depletion, the problems with Carrier-Grade NAT as a workaround, and more.

IPv6 Buzz 011: An IPv6 Address Planning Guide Oct 18, 2018

Today's episode explores the ins and outs of IPv6 address planning, with IPv6 Buzz co-host Tom Coffeen in the guest chair. Tom discusses how to get away from "IPv4 thinking" when planning your v6 transition, and shares his real-world experiences of IPv6 adoption with CDNs and service providers.

IPv6 Buzz 010: Understanding And Troubleshooting IPv6 With Wireshark Oct 04, 2018

Today's IPv6 Buzz podcast explores using the Wireshark protocol analyzer to understand and troubleshoot IPv6. Our guest is Jeff Carrell, an expert instructor in IPv6 and Wireshark.

IPv6 Buzz 009: IPv6 And DNS With Cricket Liu Sep 20, 2018

Today's IPv6 Buzz podcast dives into the critical relationship between IPv6 and DNS with guest Cricket Liu, author and Senior Fellow at Infoblox. We drill into DNS64 and DNSSEC, and look into DNS's future.

IPv6 Buzz 008: Our IPv6-Only Future Sep 06, 2018

In this episode of IPv6 Buzz, we examine how and why to make the transition from a dual-stack to an all-v6 world. Our guest is Veronika McKillop, network architect at Microsoft and president/chair of the UK IPv6 Council.

IPv6 Buzz 007: Measuring And Managing IPv6 Aug 23, 2018

Listen to the latest IPv6 Buzz podcast as we discuss the challenge of measuring and managing IPv6 deployments and learn how monitoring can optimize performance. Our guest is Dr. Ciprian Popoviciu, IPv6 expert and author.

IPv6 Buzz 006: Why And How To Test IPv6 Interoperability Aug 09, 2018

Learn why and how you test IPv6 interoperability in the latest episode of the IPv6 Buzz podcast. Our guest is Tim Winters, director of the University of New Hampshire's InterOperability Lab.

IPv6 Buzz 005: IPv6 Goes To College Aug 07, 2018

In the latest IPv6 Buzz podcast, Scott and Tom discuss the state of IPv6 in universities and higher education. Additional topics include: * How universities and higher education can benefit from IPv6 adoption * How security differs (and doesn’t) in higher education environments and how that might impact IPv6 deployment * Some IPv6 address planning... Read more »

IPv6 Buzz 004: IPv6 And Mobile Network Operators Jul 12, 2018

On today's IPv6 Buzz, we chat with Stephan Lagerholm of T-Mobile to learn about the uptake of IPv6 in mobile networks and why 464XLAT is a critical translation mechanism for mobile IPv6.

IPv6 Buzz 003: IPv6 In The Enterprise Jun 28, 2018

Today's IPv6 Buzz podcast tackles the slow uptake of v6 in the enterprise, and how that might affect IoT, cloud, and network programmability strategies.

IPv6 Buzz 002: SDN And IPv6 With Tim Martin Jun 14, 2018

IPv6 Buzz is back with a new episode on how SDN could change how we think about the role IPv6 plays in the enterprise. Our guest is Tim Martin.

IPv6 Buzz 001: Sixth World IPv6 Launch Anniversary Jun 06, 2018

Ed Horley, Tom Coffeen, and Scott Hogg discuss the state of IPv6 adoption in 2018, reflecting on the sixth anniversary of the World IPv6 Launch.

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