Hello,
Are you talking about Location Awareness?
Check these Articles:
More about Location Awareness in Symantec Endpoint Protection (SEP)
http://www.symantec.com/docs/TECH97369
Best Practices for Symantec Endpoint Protection Location Awareness
http://www.symantec.com/docs/TECH98211
Location Awareness Logic http://www.symantec.com/docs/TECH97097
How to configure mobile computers to automatically download virus definitions when disconnected from the Symantec Endpoint Protection Management console
http://www.symantec.com/docs/TECH104571
Understanding the Default location setting and creating unambiguous location switching criteria
http://www.symantec.com/docs/TECH134944
How to block all Wireless traffic when an Ethernet interface is active using Symantec Endpoint Protection 11.x
http://www.symantec.com/docs/TECH104970
Location Awareness - Video link
https://www-secure.symantec.com/connect/videos/location-awareness
Hope that helps!!