Date: Sat, 06 Mar 2004 20:16:35 -0500 From: Mike Tancsa <mike@sentex.net> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-stable@freebsd.org Subject: Re: Odd network issue ... *very* slow scp between two servers Message-ID: <6.0.3.0.0.20040306201215.08fac230@209.112.4.2> In-Reply-To: <20040306210515.M13247@ganymede.hub.org> References: <20040306130937.N71806@ganymede.hub.org> <6.0.3.0.0.20040306180314.08adede0@209.112.4.2> <20040306210515.M13247@ganymede.hub.org>
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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.
>Also, is there a way, without a reboot, to "reset" the values from netstat
nope. But look at /var/mail/root at the daily process. It will have a
daily snapshot that you can compare.
neptune# netstat -ni
>Name Mtu Network Address Ipkts Ierrs Opkts
>Oerrs Coll
>em0 1500 <Link#1> 00:07:e9:05:1b:2e 760794856 58002330
>775900767 0 0
One or 2 input errors are fine. 58,002,330 will have the giant robot
yelling "Danger! Danger!" Thats a rate of 7%...
---Mike
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