IPv6 Buzz - Packet Pushers: Recent Episodes
Packet Pushers Interactive LLC
Are you an IT engineer thinking about IPv6 for your organization? This is your podcast. Listen to three published authors discuss v6 with the best in the business. Dispel v6 FUD and create a plan to bring your shop into the IPv6 future.
Sometimes weirdness occurs within DNS if you’re on an IPv4 network and you connect to a dual-stack or v6-only VPN. Maybe the browser doesn’t connect, but you can still send pings, or vice versa. Is the OS getting confused about which stack and which order of interfaces to request services? Is the weird behavior being... Read more »
We’re diving into another IPv6 Basics today with the topic of dual-stack, which means running the IPv4 and IPv6 protocol stacks simultaneously. We get many questions about the implications of running dual-stack, and in this episode we’ll provide answers. We start by getting a little finicky about the definition of dual-stack, and then talk about... Read more »
Today we talk about measuring IPv6 and IPv6 statistics. We talk about why it’s useful to measure IPv6, how to track v6 deployment initiatives, and tools to help with your measurements. Episode Links: Google IPv6 – Google IPv6 Global Statistics Dashboard IPv6 Enabled – Hexabuild Episode Transcript: This episode was transcribed by AI and lightly... Read more »
Transitioning from IPv4 to IPv6, or at least IPv6-mostly, is no easy task. Today’s show provides some education and advice about IPv6 transition mechanisms. We cover options such as NAT64, DNS64, PREF64, and more, as well as use cases. Also, if your technology vendors aren’t offering some of these mechanisms, ask for them – you’re... Read more »
You’ve sent in questions and on today’s IPv6 Buzz episode Ed, Nick, and Tom answer them. Questions include using DHCPv6 versus SLAAC in a home network, IPv6 and email services, a NAT66 recap, and more. Stay tuned for full episodes coming up that cover Path MTU discovery and IPv6 and containers. Episode Links: Google IPv6... Read more »
We’re continuing our IPv6 Basics series discussing on this episode deployment. We’ll help you sort out why you should deploy IPv6, things to consider before starting a deployment, and what approach you should take such as “inside out” vs. “outside in” and when you should deploy IPv6. Lastly we explain why you should seek out... Read more »
Let’s talk about common misconceptions regarding DNS and IPv6. We’ve heard these often enough that we felt we should talk through each one. We cover issues including what kind of DNS record types can be returned via IPv6 (and IPv4, too), more details on what really goes on with Happy Eyeballs, and combining A/AAAA records... Read more »
Today’s show is in memory of Fred Baker, who passed away on June 18, 2025. Fred was a pivotal figure in the IPv6 community. He was the long-time chair of the v6ops working group, and had a distinguished career at Cisco as a Technical Fellow. To honor Fred and his contributions, we’re sharing our interview... Read more »
The Hexabuild team is providing a new community resource, an IPv6 compatibility checker, for those trying to figure out IPv6 network hardware and software compatibility. It’s currently in an alpha version. We talk about what inspired it, what it does, and possible future updates. We also want to get your feedback on whether this is... Read more »
Let’s chat about point-to-point links. On today’s episode we cover what should and shouldn’t be done, and discuss why following RFC’s doesn’t always get you to the right place. We dig into questions including: Don’t we just use link-local addresses for point-to-points? Shouldn’t we assign a /127, just like we do a /31 in IPv4?... Read more »
Our IPv6 Basics series continues with link-local addresses. Link-local addresses are unicast addresses used for addressing on a single link. The intent of link-local addresses is to let devices that may not have a router or global unicast address allocation mechanism still be able to communicate on a network segment. On today’s show we dig... Read more »
Today we talk with Tommy Jensen, a Senior Technical PM Strategist at Microsoft, about IPv6 support in Windows. Tommy shares what he hears from enterprises that are moving toward IPv6-mostly, strategies for dealing with older applications and devices that expect IPv4, and how the customer conversations he’s having about IPv6 now are more engaged and... Read more »
What if there was an simple way to test software and services to see if they work in a variety of IPv6 environments, including v6-only, dual-stack, and others? That’s the goal of the IPv6 Test Pod Project. This project provides a device, at no cost to the applicant, that comes with a variety of v6... Read more »
On today’s episode we’re doing some follow up on listener comments and questions that have come in via the Follow Up on packetpushers.net. We cover questions regarding IPv6 for small businesses, then go even smaller and answer a question about IPv6 for home networks. Lastly, we have a quick discussion about Path MTU discovery with... Read more »
Our ongoing IPv6 Basics series continues with an episode on v6 routing essentials. We start with a comparison of various routing protocols: RIP, OSPF, IS-IS, EGP, and BGP. We look at pros and cons of each, and discuss challenges such as dual stack IPv4 and IPv6 network implementation, memory and resource use with IPv6, and... Read more »
In this episode of the IPv6 Buzz, we dive into two RFCs for discovering IPv6 prefixes: 7050 and 8781. Why these two? First, 8781 is being proposed as preferential to 7050. Second, co-host Nick Buraglio is an author on 8781 and has insights to share. We start with some background on RFC 7050, including the... Read more »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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.
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.
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.
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.
The post IPv6 Buzz 134: Revisiting Unique Local Addressing At The IETF appeared first on Packet Pushers.
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.
The post IPv6 Buzz 133: Getting Familiar With IPv6 Multicast appeared first on Packet Pushers.
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.
The post IPv6 Buzz 132: Down The Rabbit Hole Of IPv6 Router Advertisements appeared first on Packet Pushers.
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.
The post IPv6 Buzz 131: Why Bother With IPv6 When Everyone’s Using NAT? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 130: Routing With Link-Local Addresses appeared first on Packet Pushers.
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.
The post IPv6 Buzz 129: IPv6 Architecture And Subnetting With Daryll Swer appeared first on Packet Pushers.
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.
The post IPv6 Buzz 128: Cisco Enabling IPv6 In The Enterprise (Sponsored) appeared first on Packet Pushers.
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.
The post IPv6 Buzz 127: IPv6 Security And Firewalls appeared first on Packet Pushers.
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.
The post IPv6 Buzz 126: What Employers Are Looking For With IPv6 Job Postings appeared first on Packet Pushers.
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.
The post IPv6 Buzz 125: Unique Local Addressing (ULA) And Other IPv6 Topics At IETF 116 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 124: DHCPv6, SLAAC, And DNS – Getting IPv6 Addresses To Hosts appeared first on Packet Pushers.
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.
The post IPv6 Buzz 123: Why You Need An IPv6 Security Plan appeared first on Packet Pushers.
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.
The post IPv6 Buzz 122: Using IPv6 Networks For IPv4 As A Service appeared first on Packet Pushers.
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.
The post IPv6 Buzz 121: Uncovering IPv6 Host Default Address Selection appeared first on Packet Pushers.
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."
The post IPv6 Buzz 120: Revisiting IPv6 Address Allocation – What’s The Right Size For Your Organization? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 119: Operational Issues With IPv6 Neighbor Discovery appeared first on Packet Pushers.
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.
The post IPv6 Buzz 118: IPv6 Training At RIPE NCC appeared first on Packet Pushers.
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.
The post IPv6 Buzz 117: Microsoft’s OS Evolution With IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 116: Hey Vendors! What About IPv6-Only? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 115: DNS And IPv6 appeared first on Packet Pushers.
Today's IPv6 Buzz episode answers listener questions about Duplicate Address Detection (DAD) and auto-addressing, privacy and IPv6, and where NAT46 fits in.
The post IPv6 Buzz 114: Another Listener Questions Episode! appeared first on Packet Pushers.
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.
The post IPv6 Buzz 113: We Have DAD Issues (Duplicate Address Detection) appeared first on Packet Pushers.
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.
The post IPv6 Buzz 112: What’s New With IPv6 At The IETF? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 111: IPv6 And The Public Cloud appeared first on Packet Pushers.
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.
The post IPv6 Buzz 110: The Peculiar Power Of DHCPv6 Option 108 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 109: Microsegmentation With IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 108: IPv6 In The Asia Pacific Region appeared first on Packet Pushers.
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.
The post IPv6 Buzz 107: IPv6 Unique Local Addresses (ULA) At IETF 114 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 106: How To Retire Before You Have To Deploy IPv6! appeared first on Packet Pushers.
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.
The post IPv6 Buzz 105: IPv6 Transition Technology Design Considerations appeared first on Packet Pushers.
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.
The post IPv6 Buzz 104: IPv6 For Redundancy When IPv4 Fails appeared first on Packet Pushers.
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.
The post IPv6 Buzz 103: Celebrating The 10th Anniversary Of World IPv6 Launch appeared first on Packet Pushers.
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.
The post IPv6 Buzz 102: The Problem With IPv4 Thinking appeared first on Packet Pushers.
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.
The post IPv6 Buzz 101: Innovating With IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 100: Celebrating 100 Episodes Of IPv6 Buzz! appeared first on Packet Pushers.
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.
The post IPv6 Buzz 099: Why You Need An IPv6 Proof Of Concept Lab appeared first on Packet Pushers.
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.
The post IPv6 Buzz 098: Troubleshooting IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 097: Selling An IPv6 Project To Your Organization appeared first on Packet Pushers.
Today's IPv6 Buzz discusses different strategies for going IPv6-only in both greenfield and brownfield environments.
The post IPv6 Buzz 096: Greenfield Vs. Brownfield IPv6-Only Deployments appeared first on Packet Pushers.
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.
The post IPv6 Buzz 095: Enterprise IPv6 Is Here – Time To Pivot Your Career? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 094: Measuring IPv6 Growth appeared first on Packet Pushers.
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.
The post IPv6 Buzz 093: Dissecting DHCPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 092: Listener Questions – NAT66, Stable IPv6 Prefix Delegation And More! appeared first on Packet Pushers.
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!
The post IPv6 Buzz 91: Thanks For Listening To IPv6 Buzz In 2021! appeared first on Packet Pushers.
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.
The post IPv6 Buzz 90: IPv6 Unique Local Addresses (ULAs) And You appeared first on Packet Pushers.
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.
The post IPv6 Buzz 089: An IPv6 Deployathon With AFRINIC appeared first on Packet Pushers.
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.
The post IPv6 Buzz 088: Host OS IPv6 Addresses – What’s Up With That? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 087: How Merit Network Used Carrots Over Sticks To Drive IPv6 Adoption appeared first on Packet Pushers.
As the holiday shopping season fast approaches, the IPv6 Buzz crew dive into IPv6 in relation to e-commerce.
The post IPv6 Buzz 086: E-Commerce And Holiday Shopping With IPv6! appeared first on Packet Pushers.
In this episode of IPv6 Buzz, we discuss IPv6 network readiness assessments, what they should include, and some helpful ideas for where to start.
The post IPv6 Buzz 085: Is Your Network Ready For IPv6? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 084: Wi-Fi 6E Adoption And IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 083: The IPv6 Interface Identifier appeared first on Packet Pushers.
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.
The post IPv6 Buzz 082: All About Allocations appeared first on Packet Pushers.
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.
The post IPv6 Buzz 081: App Development And IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 080: Working With IPv6 In The Management Plane appeared first on Packet Pushers.
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.
The post IPv6 Buzz 079: IPv6 In The Data Center appeared first on Packet Pushers.
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.
The post IPv6 Buzz 078: IPv6 For Small And Medium-Sized Businesses appeared first on Packet Pushers.
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.
The post IPv6 Buzz 077: Revisiting World IPv6 Launch With Tim Martin appeared first on Packet Pushers.
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.
The post IPv6 Buzz 076: Even More Listener Questions! appeared first on Packet Pushers.
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.
The post IPv6 Buzz 075: Why Wells Fargo Bought Into IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 074: IPv6 And Public VPN Services appeared first on Packet Pushers.
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.
The post IPv6 Buzz 073: Exploring Microsoft’s IPv6 History appeared first on Packet Pushers.
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.
The post IPv6 Buzz 072: NIST And Testing IPv6 Interoperability appeared first on Packet Pushers.
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.
The post IPv6 Buzz 071: IPv6 And SD-WAN appeared first on Packet Pushers.
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).
The post IPv6 Buzz 070: Building An IPv6 Lab, Revisited appeared first on Packet Pushers.
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.
The post IPv6 Buzz 069: IPv6 And LACNIC In Latin America appeared first on Packet Pushers.
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.
The post IPv6 Buzz 068: Addressing The New Federal IPv6-Only Mandate appeared first on Packet Pushers.
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.
The post IPv6 Buzz 067: IPv6 In The Cloud With Ivan PepeInjak appeared first on Packet Pushers.
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.
The post IPv6 Buzz 066: Is IPv6 Baked Enough? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 065: Understanding Carrier-Grade NAT (CGN) And IPv6 appeared first on Packet Pushers.
Today's IPv6 Buzz explores some of the RFCs and vendor technologies that didn't quite make it as IPv6 evolved.
The post IPv6 Buzz 064: The Ghosts Of IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 063: Revisiting IPv6-Only appeared first on Packet Pushers.
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.
The post IPv6 Buzz 062: Reviewing DNS Flag Day 2020 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 061: Weird And Wacky IPv6 Addressing appeared first on Packet Pushers.
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.
The post IPv6 Buzz 060: Why the Internet Needs IPv6 – With Special Guest Vint Cerf appeared first on Packet Pushers.
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.
The post IPv6 Buzz 059: More Listener Questions Asked And Answered appeared first on Packet Pushers.
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.
The post IPv6 Buzz 058: Tackling IPv6 Access Challenges appeared first on Packet Pushers.
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.
The post IPv6 Buzz 057: Thinking Differently With IPv6 appeared first on Packet Pushers.
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).
The post IPv6 Buzz 056: What’s The Deal With NAT64? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 055: The Good, Bad, And Ugly Of IPv6 With Geoff Huston appeared first on Packet Pushers.
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.
The post IPv6 Buzz 054: How (Not) To Mess Up Your IPv6 Deployment! appeared first on Packet Pushers.
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.
The post IPv6 Buzz 053: Applications And IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 052: What Do Network Engineers Need To Know About IPv6? appeared first on Packet Pushers.
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.
The post IPv6 Buzz 051: How The Work-From-Home Movement Affects IPv6 And The Internet appeared first on Packet Pushers.
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.
The post IPv6 Buzz 050: How To Get Network Engineers To Prioritize IPv6 appeared first on Packet Pushers.
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?
The post IPv6 Buzz 049: IPv6 and Renumbering appeared first on Packet Pushers.
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.
The post IPv6 Buzz 048: From Learning To Teaching IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 047: End-User And Client Wireless IPv6 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 046: Managing Networks With IPv6 And NAT64 appeared first on Packet Pushers.
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.
The post IPv6 Buzz 045: Fine-Tuning IPv6 Adoption Strategies For Service Providers And Enterprises appeared first on Packet Pushers.
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.
The post IPv6 Buzz 044: Building An IPv6 Lab appeared first on Packet Pushers.