WireGuard, IPv6, and a silent MTU
A tunnel that carried ping and SSH but stalled on anything larger. The fix was one number, and the reason it broke is worth knowing.
- wireguard
- networking
- self-hosting
Placeholder post. Replace this file with the real thing — it exists so the log renders, the RSS feed validates, and the layout is not designed against an empty page.
What a post looks like here
Body copy sets in Archivo at a comfortable measure. Inline code uses IBM
Plex Mono, and blocks look like this:
ip link set dev wg0 mtu 1420Lists, quotes and headings are all styled. Write in the same register as the rest of the site: specific, unhurried, no filler.
A tunnel that passes small packets and drops large ones is almost always an MTU problem wearing a costume.
Adding your own
Drop a Markdown file into src/content/blog/ with title, description,
date and optional tags. Set draft: true to keep one out of the build.