CLUSTERS

Example of clustering passthru servers
If you use passthru servers that are critical for providing high availability to your users, you can set up a cluster of passthru servers. To do this, set up two or more passthru servers using the same passthru configuration settings, create a cluster of these passthru servers, and enter the name of one of these servers as the passthru server in users' Location documents. Also, create Passthru Server Connection documents in users’ Personal Address Books, and enter the name of one of the cluster servers as the passthru server name.

The following figure shows a client contacting a cluster of two passthru servers in order to connect to another server in the enterprise. The client contacts one of the passthru servers in the cluster, and then one of the passthru servers connects the client to the server the client requested.

A cluster of passthru servers

This configuration works only for clients that have a LAN or WAN connection to the passthru servers. You can also set up mobile clients to use passthru servers for cluster access.

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