Odd network issue ... *very* slow scp between two servers

Marc G. Fournier scrappy at hub.org
Sat Mar 6 17:24:21 PST 2004


On Sat, 6 Mar 2004, Mike Tancsa wrote:

> At 08:08 PM 06/03/2004, Marc G. Fournier wrote:
> > > what does netstat -ni show on both machines for those NICs ?  Is the switch
> > > managed ? If so, see if there are any errors.  Also run the tests where
> > > there is little load going on.  A load of 7 is going to impact something
> > > that needs cpu power (i.e. the ssh encryption)
> >
> >re: cpu power ... note that I'm not doing anything special as far as ssh
> >is concerned for the tests ... just using pure ftp ... I thought about the
> >encryption/cpu stuff for doing the tests ...
> Sorry, I thought you said scp was slow.

Slow SCP was what prompted me to start looking, but to make sure it wasn't
just CPU bound, I switched on ftpd for testing ...


----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org           Yahoo!: yscrappy              ICQ: 7615664


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