[Bug 277] X11 forwarding problem behind Router/NAT box

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=277

ballen at uwm.edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED



------- Additional Comments From ballen at uwm.edu  2002-06-15 23:47 -------
Darren -- you were correct -- it was fragmented packets not getting forwarded
by the NAT box.   I am closing out the bug report.  Details follow.

Thanks you!

The following command on the Solaris box:
  ifconfig hme0 mtu 576
solved the problem.  Unfortunately this Solaris box has some NFS mounted
partitions.  These small MTU values really clobber NFS performance so I'll
probably need to reset the mtu value each time I want to to X11 forwarding.
Sigh.

I'll experiment to find the largest acceptable MTU value.
I don't know where the packets are getting fragmented -- probably by my DSL
provider.  And I agree that you should add this to the FAQ -- I read the FAQ
closely before posting my bug report so if I had seen your posting in the FAQ
it would have saved everyone's time and bandwidth!

Thanks again!  I still can't believe how well the open-source model works
when the developers are committed to their products.

Bruce



******************************************

Kevin -- the thing that you didn't recognize is a (failed) certificate-based
authentication attempt.  This is there because I use some Globus Grid resources
which use strictly certificate-based authentication.  I don't know if this
is part of the standard ssh client or if mine has been linked against some
Globus-enhanced libraries.  In any case, it's not the source of my problem,
which Darren correctly identified.




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