Re: ssh hangs after successfull login
From: Darren Tucker (dtucker_at_gate.dodgy.net.au)
Date: 10/26/05
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Date: 26 Oct 2005 10:30:08 GMT
On 2005-10-26, Zhang Weiwu <zhangweiwu@realss.com> wrote:
> Hello. I am not sure if my problem is exactly the one mensioned in this
> document but it isn't really alike
> http://www.snailbook.com/faq/mtu-mismatch.auto.html
[...]
> A quick google brought me to the above article saying that perhaps my
> MTU has problematic settings. I got no chance to adjust MTU of the
> remote uk server (becuase ssh is the only way I can get to the server,
Adjusting the MTU on the client end should help since TCP negotiates
the "maximum segment size" (MSS) of the connection to the lesser of
client's MTU, sender's MTU and (hopefully) the path MTU (unless you've
got a firewall that mangles the MSS of outgoing connections, such as
the clampmss option on some pppoe packages).
When it hangs, if you can check the output of "netstat" for your
connection then you may see a constant or growing number in the "Send-Q"
(although in your case, the problem is probably on the server side so
that won't help).
--
Darren Tucker (dtucker at zip.com.au)
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4 37C9 C982 80C7 8FF4 FA69
Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.
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