SSH Connections Slow to Connect

[Manuel Arostegui Ramirez]

El Domingo 06 Noviembre 2005 16:54, Jeff escribió:
> Rhugga Harper wrote:
> >I have a RH AS 3 U4 system. (Dell 2650, 2x3.00 Ghz, 6gb RAM). When I ssh
> > to several Solaris 8/9 systems from this box I get about a 5 second delay
> > before connecting, however, a solaris system on the same network as this
> > AS3 box has less than a second connection overhead:
> > Note: I am using trusted keys and ssh proto version 2.
> >
> ><solaris9host>:~ #time ssh myserver1 uptime
> >12:15pm up 17 day(s), 7:10, 4 users, load average: 1.23, 1.29, 1.47
> >
> >real 0m0.612s
> >user 0m0.150s
> >sys 0m0.020s
> >
> ><redhatas3host>: time ssh myserver1 uptime
> >12:15pm up 17 day(s), 7:11, 4 users, load average: 1.25, 1.29, 1.46
> >
> >real 0m6.675s
> >user 0m0.020s
> >sys 0m0.000s
> >
> >It is not DNS related, DNS lookups are also subsecond, but to be sure I
> >configured the sshd daemon on all systems to not use DNS. I then made sure
> >all the host names are in each system's host file.
> >
> >The ssh_config file on both client systems are identical. The sshd server
> >these clients are connecting to is this version: OpenSSH_3.8.1p1, OpenSSL
> >0.9.7d 17 Mar 2004
> >
> >I remember this problem several years ago and can't remember the cause
> > now. Anyone have any ideas?
> >
> >Here is the kernel version of the redhat client that is slow to connect:
> >
> >Linux <redhatas3host> 2.4.21-27.0.2.1.7.ELhugemem #1 SMP Mon May 16
> > 16:27:47 PDT 2005 i686 i686 i386 GNU/Linux
> >
> >Thanks,
> >
> >CC
>
> do `ssh -v solaris-box` and you should be able to see at what point its
> hanging and work from there.
>
> Jeff


Try what jeff told you, but, with 
ssh -v -v -v 
That would give you more information than only one -v

Cheers

-- 
Manuel Arostegui Ramirez #Linux Registered User 295750
Socio de Hispalinux 1813
Red Hat Linux 9, Kernel 2.6.2 ReiserFS
Firma  cifrada
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