Understanding Vidyogateway Clusters - Vidyo VidyoGateway Administrator's Manual

5. Configuring Your System
For more information about the Call Notification API, refer to the "VidyoGateway API" chapter
Vidyo Web Services API User Guide
of the
Caution Once you have enabled the Call Notification API, Vidyo strongly recommends that you
check the connectivity to the external application. Since all incoming calls will then be
routed via the external application, you must ensure that you have not inadvertently
configured the external application to prevent calls from being sent to the VidyoPortal.
9. Click Save or Save and Apply as desired.
 When you click Save and Apply, a dialog box informs you that the change drops all of
the active conference calls on your VidyoGateway server.
 Settings made while only clicking Save accrue and are applied when you subsequently
click Save and Apply or reboot your VidyoGateway server.

Understanding VidyoGateway Clusters

A VidyoGateway can be configured as a single Standalone VidyoGateway (a single component
acting as both Controller and VidyoGateway) or as a cluster setup with an Active Controller,
Standby Controller, and Cluster Node VidyoGateway.
This section explains various VidyoGateway cluster configurations used to support as many H.323
and SIP calls required prior to going through the
Think of a VidyoGateway cluster as a large, single VidyoGateway system.
Note With Clustering enabled on your VidyoGateway, some security scanners may indicate the
presence of Telnet as running on your server. This detection is a false positive and Telnet is
not actually running on your VidyoGateway.
When configuring your VidyoGateways as a cluster, you must export the pre-shared key from
your Active Controller and import it into your Standby Controller and Cluster Nodes.
Otherwise, calls on your Standby Controller or Cluster Nodes will not be visible from the
Status tab in your Active Controller. For more information, see
.
Cluster
tab in the VidyoGateway Admin pages.
71
Maintaining Pre-shared Keys.