Re: FTP performance

[Philipp Rusch <Philipp.Rusch@xxxxxxxxxxxx>]

Hi Patrick,
What about MTU on the TCPIP descripion of this interface ?
Default value is normally set to 576 bytes which causes a lot
of defragmentation, set this to *IFC and you get a perfomance boost.

HTH, Philipp Rusch

Evan Harris schrieb:
> 
> Patrick
> 
> Apart from the other suggestions (all good) that you have received another
> possibility to check out is the parameter on the line description that
> indicates "ethernet only". I'm at home and don't remember which one it is
> (ETHONLY ??).
> 
> I seem to remember hunting through one of the manuals and it mentioned that
> setting this parameter enhanced performance as the system did not need make
> provision for SNA or other protocols. This may have been in a printing red
> book.
> 
> I don't recall the specifics, but it's definitely worth a look. If no-one
> else sheds any light on this I may try and find the reference today at work
> so I can post the details if required.
> 
> HTH
> Evan Harris
> 
> >We have two AS/400s both at V4R3. We are testing FTP performance between
> >the two and getting terrible transfer rates. Both AS/400s have 100MB cards,
> >but both are only set at 10MB. We are getting at best 177KB/sec transfer
> >rate. The only networking device between the two is a hub.
> >
> >Any ideas why the transfer is so slow?
> 
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