Le 01/10/15 11:58, Lauri Tirkkonen a écrit : > On Thu, Oct 01 2015 11:50:03 +0200, Richard PALO wrote: >>>> In that case, wouldn't setting tcp_tstamp_always on OI to '1' be better in >>>> this case (or would OI not honour that setting correctly)? >>> >>> It wouldn't work. From what I can tell, those ndd settings only affect >>> the SYN segments (ie. timestamp negotiation); pre-5850 illumos will >>> always stop timestamping mid-connection if it receives a non-timestamped >>> segment. >>> >> >> Okay, I set tcp_tstamp_if_wscale to 0 and it does seem to work fine. > > Thanks, that pretty much confirms the issue is what I suspected it is. > >> (Hoping there isn't any fallout from doing this now...) > > As long as that middlebox has been mucking with your traffic in the way > it is, timestamps have been getting turned off mid-connection for your > pre-5850 box. I recommend you to ugprade to post-5850 if you can, or to > scream loudly at whoever is modifying your traffic :) >
Actually I still notice some problems.. This morning in the direction OI => omnios things seemed okay. Now, omnios => OI I just now experienced the hang again, and it is repeatable. Could it be that your workaround is only useful for outbound connections (relative to OI)? -- Richard PALO _______________________________________________ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss