rt6_redirect: source isn't a valid nexthop for redirect target im Kernel-Log — kein Bug, sondern ein abgelehntes ICMPv6-Redirect. Typischerweise durch globale statt Link-Local-Next-Hops. Diagnose, Fix und wann Abschalten die pragmatische Loesung ist.
IPv6 ULA (fd00::/8) sind lokal und eindeutig genug. Im Dual-Stack-Alltag ueberrascht viele: RFC 6724 raeumt ihnen eine niedrigere Prioritaet ein als IPv4. Wie man das auf Linux, Windows und FreeBSD sichtbar macht und die Praezedenz bei Bedarf anpasst.
I've been building core networking components to leverage VPP more fully as a branch router. Here is an overview of that work.
The first quarter of 2026 saw a surge in Internet disruptions, from nationwide shutdowns in Uganda and Iran to unprecedented drone strikes on cloud infrastructure. We explore the data behind these events using Cloudflare Radar.
Has IPv6 finally reached its day of glory?
It’s fair to say that IPv6 has not had the level of take-up expected when the Internet Engineering Task Force (IETF) ratified it back in 1998. Take-up has been agonizingly slow, not reaching 5 percent of traffic until 2014. However, the use of IPv6 has been slowly climbing since, and according to Google statistics, briefly accounted for 50.1% of the…
Has IPv6 finally reached its day of glory?
It’s fair to say that IPv6 has not had the level of take-up expected when the Internet Engineering Task Force (IETF) ratified it back in 1998. Take-up has been agonizingly slow, not reaching 5 percent of traffic until 2014. However, the use of IPv6 has been slowly climbing since, and according to Google statistics, briefly accounted for 50.1% of the…
【So-netから卒業します】に書いたように光回線の契約をSo-net光（1G）からGMOとくとくBB（GMO光アクセス ファミリー接続サービス、1G）に事業者変更した。開通工事日（開通予定日）が「2026年03月30 […]
If you have ever read science fiction, you’ve probably seen “alternate history” stories. You know, where Europeans didn’t discover the New World until the 19th century, or the ancient Egyptians …read more
The internet isn't a single thing, it's a series of handshakes, lookups, and translations that happen in milliseconds. Let's trace a single request from your keyboard to a database halfway across the world.
Most of us take it for granted: you type a URL, hit enter, and a fraction of a second later, a world of information appears. But between that keystroke and the rendered page lies a complex,…