@marcan42 @shmit @paulnivin @google Works fine for me at german provider KD and Hetzner.
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Replying to @Manawyrm
@Manawyrm@shmit@paulnivin Are you testing with an MTU bottleneck at a router (not end host)? My router/tunnel have MTU=1280.3 replies 0 retweets 0 likes -
Replying to @marcan42
@marcan42@shmit@paulnivin at work, which uses a Hurricane Electric tunnel.2 replies 0 retweets 0 likes -
Replying to @Manawyrm
@Manawyrm@shmit@paulnivin I am on HE indeed. Wonder if it's just them. Works with my server though... Could be only some MTU ranges?2 replies 0 retweets 0 likes -
Replying to @marcan42
@marcan42@shmit@paulnivin Strangly enough, I've had MTU Path Discovery issues with HE for a long time now.1 reply 0 retweets 0 likes -
Replying to @Manawyrm
@manawyrm@marcan42@paulnivin one of mine goes from server -> L3 -> google, and only inside google do pings start to fail2 replies 0 retweets 0 likes -
Replying to @shmit
@shmit@Manawyrm@paulnivin For me the first bad hop is 2001:de8:5::1:5169:1/15169.tyo.equinix.com (seems Google specific but Equinix IP)1 reply 0 retweets 0 likes -
Replying to @marcan42
@shmit@Manawyrm@paulnivin They also seem to be blocking fragmented pings. Confuses diagnosis.1 reply 0 retweets 0 likes -
Replying to @marcan42
@shmit@Manawyrm@paulnivin E.g. send fragmented ping over clean 1500-MTU path, nothing comes back. Send it one piece, works.3 replies 0 retweets 0 likes -
Replying to @marcan42
@marcan42@shmit@paulnivin misconfiguration there. Hmm.1 reply 0 retweets 0 likes
@Manawyrm @shmit @paulnivin I repro'd it on my http://online.net server (direct peering to Google, no middlemen)pic.twitter.com/OrPv1nuuOj
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