[NCLUG] ssh - very slow to initiate

dmiles dmiles at holly.colostate.edu
Tue Nov 13 22:53:43 MST 2001


Every day I elect my personal hero-of-the-day and today that's you

that's a really good tip that I'd never thought of :) Thanks

On Tue, 13 Nov 2001 21:33:46 -0800 (PST), J. Paul Reed <preed at sigkill.com>  wrote:
> On Tue, 13 Nov 2001, S. Luke Jones wrote:
> 
> > Any idea why it takes me >15 seconds (subjective time = 15 years)
> > to initiate an SSH connection from my P75 (149.50 BogoMIPS) to
> > Front Range Internet over a 56k dialup?
> 
> Do: ssh -v my.securehost.example.com
> 
> Find out where it's stopping.
> 
> Whenever I've had this problem, it generally turns out to be a DNS issue,
> as Eric mentioned. But the -v should give you some debug output to figure
> out specifically what is taking so long.
> 
> For instance, on our central Unix machines at Cal Poly, which run HP-SUX,
> getting a tty through ssh takes a really long time... -v helped with
> debugging that (which is, unfortunately, something that can't be fixed...
> chalk up another win for HP-SUX).
> 
> Later,
> Paul
>    ---------------------------------------------------------------------
>    J. Paul Reed               preed at sigkill.com || web.sigkill.com/preed
>    It's amazing what a little brain damage will do for your credibility.
>                                               -- Leonard Shelby, Memento
> 
> 
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