Connectivity between 4.1.3 and 2.4 (2.5)
2007-12-25 10:14:00
problem existed in Solaris 2.4 and was taken care of by the jumbo kernel
patch. Well my problem is really on Solaris 2.5 (however also exists on 2.4).
The same problem is also visible on another network where I did not have
anything to do with the system setup, I am therefore surprised that noone
else seems to report the problem. I have done some analysis looking at
netstat -s and there is nothing there that looks strange.
Original qustion:
I have observed that IP connectivity between a SunOS 4.1.3 and Solaris 2.4
or 2.5 host is terrible. A tool like tcpblast shows transfers in the range
of 600 to 700k. Exact details are:
ipx (4.1.3) -> ss5 (5.5) 600 - 800 kb/s
ipx (4.1.3) -> classic (5.3) 3 - 3.5 Mb/s
ipx (1.4.3) -> elc (4.1.3) 3.5 - 4.5 Mb/s
ipx (5.5) -> ss5 (5.5) 5 - 6.3 Mb/s
Watching the net I do not see anything that could be responsible, no huge
numbers of collisions, no errors. I have run those tests on other networks
as well, tested connections across routers, the results are always on the
same nature. Does anybody know what the problem is? Is there a patch for
that?
Ever since I upgraded my Solaris machines from 5.3 to 5.5 my NFS between
4.1.3 and Solaris keeps breaking down and I need to fix that fast.
Thanks to:
Michael J. Shon
Geert Touquet
--
Tomasz M. Wolniewicz twoln@mat.uni.torun.pl
Faculty of Mathematics and Informatics tel: +48-56-26017
Nicholas Copernicus University, Torun, Poland fax: +48-56-28979
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