On 08/09/2016 07:42 AM, Laurent CARON wrote: > Hi, > > Does anybody have a clue about this issue ? Thanks
Based on a quick look at what you sent, this is not what I would expect. > Am I mistaken on something, or is this behavior perfectly normal ? > > Please note # tracepath6 from the linux box to the openbsd one reports: > Resume: pmtu 1500 hops 2 back 2 This doesn't really matter. PMTU can be assymetric. So you should use tracepath6 from OpenBSD ot Linux, since that's the direction in which traffic is being fragmented. Thanks, -- Fernando Gont e-mail: ferna...@gont.com.ar || fg...@si6networks.com PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1