JSI Tip 4998. How do I configure Offline Files to synchronize when a specific network connection becomes active?

Microsoft Knowledge Base Article 312171 contains the following summary:

This step-by-step article describes how to configure Offline Files to synchronize when a particular network connection becomes active. You can make any shared folder on a network available offline so that you can use the files that are inside of that folder when you disconnect from the network. Normally, synchronization happens automatically whenever a network connection becomes active. However, you can configure your synchronization settings to specify the offline files that are synchronized when a network connection becomes active.