Chapter 3: Serial Port, Device and User Configuration
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3.12 Call Home
All console servers include the Call Home feature which initiates the setup of a secure SSH tunnel from
the console server to a centralized Lighthouse VM, Lighthouse Standard, Lighthouse Enterprise, CMS6100
or VCMS server (referred to as CMS). The console server registers as a candidate on the CMS. Once
accepted there it becomes a Managed Console Server.
The CMS monitors the Managed Console Server and administrators can access the remote Managed
Console Server through the CMS. This access is available even when the remote console server is behind
a third-party firewall or has a private non-routable IP addresses.
NOTE CMS maintains public key authenticated SSH connections to each of its Managed Console
Servers. These connections are used for monitoring, commanding and accessing the Managed
Console Servers and the managed devices connected to the Managed Console Server.
To manage Local Console Servers, or console servers that are reachable from the CMS, the SSH
connections are initiated by CMS.
To manage Remote Console Servers, or console servers that are firewalled, not routable, or
otherwise unreachable from the CMS, the SSH connections are initiated by the Managed Console
Server via an initial Call Home connection.
This ensures secure, authenticated communications and enables Managed Console Servers units
to be distributed locally on a LAN, or remotely around the world.
3.12.1 Set up Call Home candidate
To set up the console server as a Call Home management candidate on the CMS:
1. Select Call Home on the Serial & Network menu
2. If you have not already generated or uploaded an SSH key pair for this console server, do
so before proceeding
3. Click Add
4. Enter the IP address or DNS name (e.g. the dynamic DNS address) of the CMS
5. Enter the Password that you configured on the CMS as the Call Home Password
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