Poked #AlpineLinux a bit more yesterday. One #ipv6 nit I'm trying to chase down: The installer environment does not appear to have any means of acquiring DNS information via RDNSS. busybox has a dhcpv6 client, but I'm not running DHCPv6 on most of my main networks.

Does busybox have this functionality and I'm not yet aware of it, or is this something that needs to be added? Or is there some other way to go about this?

I was able to manually configure DNS for the install then apk add rdnssd in the installed environment, but this is sub-optimal.

Why should anyone put link-local IPv6 addresses in AAAA records for their MX server?

zimbra.elbe-net.de.	600	IN	AAAA	fe80::250:56ff:fe01:7f8

Is there a good reason for this?

#dns #mx #ipv6

"Als vorausgesetzte Basisprotokolle nennt das Dokument IPv6, HTTPS, FTPS, SMTPS und QUIC. "

https://www.heise.de/hintergrund/Deutschland-Stack-Mit-ueber-50-offenen-Standards-zur-souveraenen-Verwaltung-11225614.html?seite=all

#deutschlandstack #ipv6

Formation en ligne "Comprendre et déployer le protocole IPv6"

La pénurie d’IPv4 pénalise les nouveaux entrants et augmente les coûts.

🎤 Formation par @bortzmeyer qui vous accompagnera pour organiser la transition de votre réseau vers IPv6 permettant un adressage évolutif et extensible.

🎯 Pour qui ?

Administrateurs système et réseaux, DSI et RSI

📅 La prochaine session aura lieu du 28 au 29 mai

ℹ️ Programme et inscription 🔗 https://www.afnic.fr/produits-services/formations/ipv6/

#Afnic #Formation #IPv4 #IPv6

Alt...

formation comprendre et déployer le protocole IPv6

$ host -t AAAA www.tomshardware.com
www.tomshardware.com is an alias for g.sni.us-eu.fastly.net.

It would not be difficult for them to enable this: https://www.fastly.com/blog/ipv6-fastly (tl;dr: prepend "dualstack." to that alias)

Unfortunately, I cannot find a simple webmaster contact for them. If someone knows how to reach their IT people, please pass this along.

#ipv6

@arichtman Yeah, I get that a lot.

$ host -t AAAA e18e.dev
e18e.dev has no AAAA record

#ipv6

Part 3 of my hobby AS series is up: connecting my AS201379 to LocIX Düsseldorf via a dedicated FreeBSD edge router.

Covers route server peering, IPv6-in-IPv6 GIF tunnels, PF on a shared peering LAN, and iBGP back to the core.

https://blog.hofstede.it/running-your-own-as-joining-an-ixp-with-a-third-edge-router/

#FreeBSD #BGP #Networking #IXP #IPv6

Mission: Connect to a device on the LAN (Local Area Network)
Scenario: #IPv6mostly network - supported clients get only #IPv6 addresses due to DHCP option 108 -> #464XLAT
Roku app:

Yes and No.
#IPv6 rollout is going way to slow. Reason for that is the network effect which is still stronger on legacy #IPv4 than on #IPv6. Still, we have almost reached the 50% mark and at some point in the next few years, we will reach the point where it will become politically feasible for some actors to go #IPv6only. When that happens, the network effect will tip. I'm not sure when exactly that tipping point is going to happen but I think it will happen (1/2)
@ironicbadger @Tubsta

#ipv6

https://commoncrawl.org/blog/march-2026-crawl-archive-now-available

There's no way to do both SLAAC GUAs plus ULAs using DHCPv6 is there?

I need all the machines to have ULA for Wireguard reasons but I don't want to give up the GUAs.

#Networking #IPv6

I finally have IPv6 support from my mobile provider - TalkHome Mobile (UK)!
I woke up this morning to see a new 'VoLTE' icon on my phone. Checked the status and see an IPv6 address on the mobile interface for the first time, and it works. Woohoo!

On the downside, I currently cannot receive SMS messages and the provider's app is broken. Hopefully this is just over-running maintenance.

#IPv6

ooh, the rdap CLI I'm using resolves IPv4 addresses in v6-mapped format. Handy for copypasta out of nat64 stats:

$ rdap ::ffff:9765:c1c2
IP Network:
Handle: NET-151-101-0-0-1
Start Address: 151.101.0.0
End Address: 151.101.255.255
IP Version: v4
...

#ipv6

Ironic considering their Metronet Fiber division doesn’t offer IPv6 addresses at all.

“T-Mobile USA leads with 93% IPv6 adoption on mobile networks.”

#IPv6

@danyork Given the training corpus that is today's web, I'm sure if you told it to deploy #IPv6 it would gleefully disable it.

#blog #ipv6 #apnic

https://blog.apnic.net/2026/03/16/ipv6-deployment-at-apricot-2026-scanning-generative-ai-a-home-network-and-a-city/

Jetzt habe ich die Antwort, warum #IPv6 nicht voran kommt:

Die Grünen sind schuld!

https://grueneschuld.de/ #Grüne

@debian

still without the recent version of tayga

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1107302

#ipv6only #nat64 #tayga #debian #ipv6 #ipv6mostly

#askfedi Is it just me or downloads from repo.zabbix.com are not working via #IPv6 ?

Alt...

A terminal window screenshot where you observe the output of command wget https://repo.zabbix.com/zabbix/7.0/debian/pool/main/z/zabbix-release/zabbix-release_latest_7.0+debian13_all.deb. When using the "-6" flag, result says "Connection timed out."; when using -4", download completes (100%).

Aus einer Petitionsantwort vom 7. August 2023 des Bayerischen Staatsministerium der Finanzen und für Heimat:

"Einführung von IPv6 für Webangebote des Freistaats Bayern
Da der IPv6-Standard zunehmend Verbreitung findet, ist die Anbindung der Webangebote des Freistaats Bayern an IPv6 (zusätzlich zu IPv4) im Rahmen der operativen Projektplanung im Gange und soll bis Ende des Jahres 2027 abgeschlossen sein. Entsprechende Konzepte und Grundlagen dazu wurden bereits erstellt."

#ipv6 #bayern

Es gibt Dinge, die will man einfach nicht sehen müssen.
Wenn solche Fragen gestellt werden, ist leider schon in der Ausbildung der Ausbilder etwas schief gelaufen 🤨

(Frage ist geklaut von Gutefrage.net)

#ipv6

Alt...

AUFGABE 4 (Schwierigkeitsgrad: 3) Nach einer nochmaligen Expansion möchte das Untemehmen "Adventure Games GmbH" ihr firmenintemes Netzwerk umstrukturieren. Es soll hierzu wiederum der Adressraum 2001:00b8:853:0843:c0a8:ab3e:c3a5:8189/73 verwendet werden. Im neuen LAN des Unternehmens sollen die 6138 Hosts nach folgender Auteilung in Subnetzen gegliedert werden: «1. Subnetz für die Verwaltung mit 3726 Hosts + 2. Subnetz für de Geschäftsleitung mit 230 Hosts +3. Subnetz mit Entwicklung 956 Hosts + 4Subnetz für die Server mit 56 Hosts + 5.Subnetz für sonstige Bereiche mit 1170 Hosts Geben Sie zu dem Subnetz die folgenden Merkmale an: + Netzadresse mit Präfix + Multicastadresse mit Prafix + Anzahl der Adressen, die im Subnetz nicht vergeben werden

I was using adsb.fi for aircraft tracking, but tonight I was pointed to adsb.lol which has some extra features and works on my #ipv6 only network.

@train Yeah I need to actually sit down and write a post about what I'm doing. It only really came into focus the last couple days, but now that it's up I think I'm pretty happy with it.

tl;dr: #IPv6 to the max

@homelab

www.gutenberg.org

https://atlas.ripe.net/measurements/158928236/overview
https://atlas.ripe.net/measurements/158928315/overview

#monitoring #ipv6 #ipv4

Dabbled with enabling #IPv6 on my #cilium based #k3s cluster this morning. Seems that it /is/ possible to enable without a full cluster/node rebuild*.

Mostly went fine, prefix, prefix mask, masq set to off. After poking a couple of the Cilium Pods new Pods got an IPv6 addr. ...but couldn't ping anything. Traffic made it out based on what Hubble was showing, but not the reverse.

Enabled v6 masquerading, and it all started to work, yay. Suspect I need to try setting up a static route on my router for this to work.

I have a couple pods w/ quirky networking so they got unhappy. v6 IP, dns query replying w/ AAAA but no dice as they really only have v4 connectivity.

Back off for now but promising that it could work.

*.spec.PodCIDR(s) are immutable on v1.Node resources, but cilium in it's default configuration doesn't get it's PodCIDR from there in the default config.

"If you have a website and it's not v6 reachable, it's not on the Internet."

https://blog.flyingpenguintech.org/2013/10/arin-32-call-to-content-providers.html

#ThrowbackThursday #IPv6

Anyone here running a SDN in Proxmox 9.1 with IPv6 enabled? Preferably without NAT, but I think that's currently not possible?

IPv4 worked fine within minutes, but v6 I can't for the life of me figure out how to get it going.

We do have a /64 Subnet, so I should be able to assign IPs from that via SDN I guess? But the Docs haven't been helpful so far :/

#Proxmox #SDN #IPv6

I heard Bambit (Bamberg’s municipal ISP) supports IPv6 now

Can someone confirm?

#ipv6

Where are my #ipv6 experts at?

My #guixrouter is having problems where when I restart its networking, it can respond to neighbor discovery, but after some time... it stops receiving neighbor discovery requests (they don't appear in tcpdumps). I think this must be either something to do with my switch or something to do with the linux bridge on the proxmox host... why would this happen? I can see the ndp snooping entry disappears on switch, but it happens even if ndp snooping is off

@doachs ?

https://mysolartime.com/ is now available on #ipv6

https://lore.kernel.org/lkml/20260310153506.5181-1-fmancera@suse.de/

If any distro kernel ships CONFIG_IPV6=n after this they don't belong on the 'net.

#ipv6

Nice! NAT64 in action, My IPv6-only jail can successfully talk with Github. No tayga, just the new "af-to" feature, that the "pf" firewall got in 15.0-RELEASE:

pass in quick on bastille0 inet6 from $jail_net to 64:ff9b::/96 \
af-to inet from ($ext_if) keep state

This is genuinly nice! 🙂

#freebsd #networking #pf #nat64 #ipv6