User guide

2. Click DSView Server in the top navigation bar.
3. Click SSH Passthrough in the side navigation bar. The SSH Passthrough Properties
window opens.
4. To enable shared SSH Passthrough sessions, select the Enable Port Sharing checkbox.
5. To allow simultaneous shared SSH Passthrough sessions from multiple DSView 3 servers,
select the Enable Hub/Spoke Forwarding checkbox.
If hub/spoke forwarding is enabled, shared SSH Passthrough sessions are centralized to
the DSView 3 server that owns the appliance to which the session is opened.
NOTE: The appliance is owned by the DSView 3 server to which it was first added. To determine which DSView 3
server owns an appliance, go the appliance Unit Overview Page and click Properties - Network. The DSView
Server menu displays the name of the server that owns the appliance. See Unit Properties on page 158 for more
information.
6. To allow sharing among SSH Passthrough sessions and Avocent Session Viewer sessions,
select the Enable DSView Client Serial Sessions checkbox.
7. Click Save.
Configuring the Avocent Session Viewer
To allow sharing among sessions initiated from the DSView 3 client software, you must
preconfigure the Avocent Session Viewer as the serial viewer.
To configure the Avocent Session Viewer:
1. Click the Profile tab.
2. Click Applications in the side navigation bar.
3. Select the Avocent Session Viewer checkbox.
4. Click Save.
For more information about serial session applications, see Choosing the serial session
application on page 42.
SSH Passthrough Sessions
You may establish an SSH connection to a target device or an appliance console by specifying
the appropriate name in the SSH command. You may also establish an SSH session to a target
device with multiple connections, but the appliance name and port number must be entered in
place of the target device name.
NOTE: It is recommended that no more than 2048 concurrent data logging and SSH Passthrough sessions be
open.
Chapter 14: SSH Passthrough Sessions 225