does @google have working PMTU discovery? my IPv6 firewall is off and i have to manually set my MTU to 1280 to get to http://google.com
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@marcan42@shmit@paulnivin@google Works fine for me at german provider KD and Hetzner.
@Manawyrm @shmit @paulnivin Are you testing with an MTU bottleneck at a router (not end host)? My router/tunnel have MTU=1280.
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@marcan42@shmit@paulnivin my router/cable modem uses an MTU of 1472, natively connected. My local ethernet is a standard 1500 bytes. -
@Manawyrm@shmit@paulnivin 1472 sounds like 1500 minus IP/ICMP headers (typical max ping payload). Are you sure you're not at 1500? - Show replies
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@marcan42@shmit@paulnivin One thing that IS interesting: Where did you get your tunnel? I seem to have problems with my machineThanks. Twitter will use this to make your timeline better. UndoUndo
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@marcan42@shmit@paulnivin at work, which uses a Hurricane Electric tunnel. -
@manawyrm@marcan42@paulnivin native IPv6 connection and a tunnel from HE. Both have issues. Not all google hops are bad, but lots are.
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