Bad guess: the MTU used by VSE on this Hipersocket link is not 1500 (as found as default on the www), a query show 8192, same as in Linux.... Digging further.
2010/3/29 Kris Buelens <kris.buel...@gmail.com> > OK Thanks, know what to look at tomorrow. > > 2010/3/29 David Boyes <dbo...@sinenomine.net> > > >> We just found out that the defined MTU's differ, and I always heard that >> MTU sizes should be identical: >> >> >> >> Unless path discovery is active on both ends of the link, the sizes should >> be identical. >> >> >> Might this be an explanation? How comes it works fine (most of the time) >> with apparently different MTU values? >> >> >> >> Nothing sent a packet big enough to cause one end to need fragmentation, >> so you got lucky. It broke when you got a very large packet that needed to >> be fragmented, Path MTU discovery was off, and the sending side kept trying >> to send and got rejected. Since you’re running DRDA, that would be an easy >> scenario to do, since the results of queries would be different sizes. >> >> >> > > > > -- > Kris Buelens, > IBM Belgium, VM customer support > -- Kris Buelens, IBM Belgium, VM customer support
