Hi Georgi, I provided the output of that in my original post: >From the client: --- dgreen49@linuxhost1 [~]# ssh -vvv aixhost1 OpenSSH_4.3p2-hpn, OpenSSL 0.9.7a Feb 19 2003 debug1: Reading configuration data /opt/soe/local/etc/ssh_config debug2: ssh_connect: needpriv 0 debug1: Connecting to 10.44.138.107 [10.44.138.107] port 22. debug1: Connection established. debug1: identity file /home/dgreen49/.ssh/identity type -1 debug1: identity file /home/dgreen49/.ssh/id_rsa type -1 debug1: identity file /home/dgreen49/.ssh/id_dsa type -1 <pauses here> debug1: Remote protocol version 2.0, remote software version OpenSSH_4.6p1-hpn12v17 debug1: match: OpenSSH_4.6p1-hpn12v17 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.3p2-hpn debug2: fd 3 setting O_NONBLOCK [...] --- >From the server: --- root@aixhost1 [~]# /opt/soe/local/openssh/sbin/sshd -ddd [...] debug1: rexec_argv[0]='/opt/soe/local/openssh/sbin/sshd' debug1: rexec_argv[1]='-ddd' debug2: fd 3 setting O_NONBLOCK debug1: Bind to port 22 on 0.0.0.0. debug1: Server TCP RWIN socket size: 65536 debug1: HPN Buffer Size: 131072 Server listening on 0.0.0.0 port 22. debug1: fd 4 clearing O_NONBLOCK debug1: Server will not fork when running in debugging mode. debug3: send_rexec_state: entering fd = 7 config len 1421 debug3: ssh_msg_send: type 0 debug3: send_rexec_state: done debug1: rexec start in 4 out 4 newsock 4 pipe -1 sock 7 <pauses here> debug1: inetd sockets after dupping: 3, 3 Connection from linuxhost1 port 1119 [...] --- Regards, David Georgi Stanojevski <glisha@xxxxxxxxx> wrote on 24/06/2008 03:32:28 PM: > David R Green wrote: > > > I should mention that these AIX servers were successfully running openssh > > 4.5. It's only since the upgrade to 4.6 that the connection pause occurs. > > Run the ssh client in verbose mode (ex. ssh -vv user@host) and see where > does the pause happen. > > -- > Glisha