Hi,

I have seen similar behaviour between Solaris and VMS/MultiNet: very large
differences in FTP transfer speed depending on who starts the connection
and the operation. Someone suggested that it could be an issue with the
TCP window size. Could this be related?

On Wed, 3 Oct 2001, Michael G. Schabert wrote:
> >I took the ThinkPad to work and the ThinkPad had no such problems with
> >the NT.
> >
> >At home, now have 3 machines on the LAN:
> >
> >GUS is the NetBSD tower. ThinkPad is the NetBSD laptop. Solo is the Win98
> >laptop. ThinkPad and Solo both have identical PCMCIA LAN cards: Lynksis
> >EtherFast 10/100 PC. Test file for ftp is rsync-2.4.6.tar.gz Here are the
> >times:
> >
> >Solo does get from ThinkPad = 7.32KBytes/sec
> >Solo does put to Thinkpad = 606.33Kbytes/sec
> >
> >Solo does get from GUS = 7.39Kbytes/sec
> >Solo does put to GUS = 877.58Kbytes/sec
> >
> >ThinkPad does get from GUS = 28.12 KB/s
> >ThinkPad does put to GUS = 1.24 MB/s (thats Mega!)
> >
> >GUS does get from ThinkPad = 488.51 KB/s
> >GUS does put to ThinkPad = 6.13 KB/s
>
> Wow, that's interesting. You say that it had good speed in both get
> and put when talking to the NT server at work? That makes it seem like
> a problem with the ftp daemon and not with the ftp client or the
> ethernet card, nor an issue with the laptop's speed as hypothesized
> earlier. Unfortunately, the ftp daemon seems to run fine for other
> users (such as ftp.netbsd.org), so it doesn't seem to be a global bug.

-- 
Claude Marinier, Information Technology Group    claude.marinier@dreo.dnd.ca
Defence Research Establishment Ottawa (DREO)    (613) 998-4901  FAX 998-2675
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