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- Newsgroups: comp.protocols.nfs
- Path: sparky!uunet!sun-barr!cs.utexas.edu!torn!maccs!fred
- From: fred@maccs.dcss.mcmaster.ca (Fred Whiteside)
- Subject: Re: ftp transfers to pc FROM sun take forever.
- Message-ID: <1992Sep11.121805.20552@maccs.dcss.mcmaster.ca>
- Reply-To: fred@bws.com (Fred Whiteside)
- Organization: Beame & Whiteside Software Ltd.
- References: <18pam6INNa1t@huon.itd.adelaide.edu.au>
- Date: Fri, 11 Sep 1992 12:18:05 GMT
- Lines: 33
-
- In <18pam6INNa1t@huon.itd.adelaide.edu.au>, george@frodo.ua.oz.au writes:
- >I have noticed some strange behaviour between a pc client running pcnfs4.0a
- >and its SUN IPX server. Specifically, ftp transfer rates depend upon the
- >direction with transfers "FROM" the SUN to the pc take what seems to
- >be 'forever'.
- >
- >An example:
- >
- >12934 bytes received in 78.064100 seconds (0.16 kbytes/s) SUN -> PC
- >The same file transfered in the other direction happens at a reasonable
- >rate. >10kbtes/s. PC -> SUN.
- >
- >What could be causing this? It seems to be only for files > 1k and the
- >system just looks inactive.
-
- what type of adapter do you use? this looks like the card is
- having trouble seeing packets sent to it too quickly, causing
- re-transmissions, and of course, the associated time-outs. files of <1K
- will fit into 1 ethernet frame, so you don't see the problem.
-
- >Is their any way of determining where/what the problem may be? I'm
- >stumped over this.
-
- an ethernet analyser is generally an invaluable tool for debugging
- this sort of problem ...
-
- > George Travan "A Rebel Without A Clue!"
- > E-mail: george@ache.mad.adelaide.edu.au
-
- Fred Whiteside
- --
- Fred Whiteside Beame & Whiteside Software Ltd., Caledonia, Ontario
- fred@bws.com fred@maccs.DCSS.McMaster.CA ...!uunet!utai!utgpu!maccs!fred
-