Re: Slow SSH over WLAN? How to check?
Might try variants of:
ssh -v -v -v theuser@thedomain.tld
to see what ssh/sshd are doing.
John
Bob Weber writes:
> On 9/3/20 9:48 AM, riveravaldez wrote:
> > Hi,
> >
> > I'm under the impression that one of my LAN-SSH connections is working
> > poorly. When I SSH from a wired desktop machine (generic) to a
> > Wi-Fi-ed notebook (ThinkPadX220) things take irregular and seemingly
> > excessive amounts of time to happen (you type and the text appears a
> > moment later, etc.). This is just a
> > desktopâ??cableâ??routerâ??Wi-Fiâ??notebook (W)LAN scheme.
> > Issue appears also logging from notebook to desktop.
> >
> > Also I've been having some apparent poor performance in simple
> > web-navigation with that notebook (always through Wi-Fi), so, I'm
> > suspecting: maybe some issue with the firmware-iwlwifi?
> >
> > $ lspci | grep "Network controller"
> > 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205
> > [Taylor Peak] (rev 34)
> >
> > Both machines run Debian testing (updated).
> >
> > What could I do to check/test the health/performance of the connection
> > in order to diagnose if there's effectively a problem?
> >
> > Thanks a lot!
> >
> Try iperf3. Install on both machines and start one as a server and one as a
> client to see the network speed. Run with the -R option to see the reverse
> speed. Make sure there is no firewall on the server machine or open the port 5201.
>
>
> --
>
>
> *...Bob*
> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
> </head>
> <body>
> <div class="moz-cite-prefix">On 9/3/20 9:48 AM, riveravaldez wrote:<br>
> </div>
> <blockquote type="cite"
> cite="mid:[🔎] CAD8U+g_gzWDw7tuFMAXKPEYbSV9Cw1gp5VJMcx6n_BnFpm+fug@mail.gmail.com">
> <pre class="moz-quote-pre" wrap="">Hi,
>
> I'm under the impression that one of my LAN-SSH connections is working
> poorly. When I SSH from a wired desktop machine (generic) to a
> Wi-Fi-ed notebook (ThinkPadX220) things take irregular and seemingly
> excessive amounts of time to happen (you type and the text appears a
> moment later, etc.). This is just a
> desktopâ??cableâ??routerâ??Wi-Fiâ??notebook (W)LAN scheme.
> Issue appears also logging from notebook to desktop.
>
> Also I've been having some apparent poor performance in simple
> web-navigation with that notebook (always through Wi-Fi), so, I'm
> suspecting: maybe some issue with the firmware-iwlwifi?
>
> $ lspci | grep "Network controller"
> 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205
> [Taylor Peak] (rev 34)
>
> Both machines run Debian testing (updated).
>
> What could I do to check/test the health/performance of the connection
> in order to diagnose if there's effectively a problem?
>
> Thanks a lot!
>
> </pre>
> </blockquote>
> <p><font size="+1">Try iperf3. Install on both machines and start
> one as a server and one as a client to see the network speed.Â
> Run with the -R option to see the reverse speed. Make sure
> there is no firewall on the server machine or open the port
> 5201.</font></p>
> <p><font size="+1"></font><br>
> </p>
> <div class="moz-signature">-- <br>
> <br>
> <br>
> <b>...Bob</b><br>
> </div>
> </body>
> </html>
--
John Conover, conover@rahul.net, http://www.johncon.com/
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