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samuelethqn

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samuelethqn 9mo ago

Tunnel brokers for IPv6 in 2026 — still relevant or legacy crutch? · Networking

Has anyone benchmarked MTU issues with HE tunnels recently? I still see fragmentation problems with 6in4 on paths that don't support 1280 properly. Docker default bridge MTU is 1500 and doesn't account for the 20 byte IPv4 + 40 byte IPv6 overhead, so you get weird failures on large transfers.

Or is...