A proprietary Cisco protocol used for communication between the Cisco IOS Gatekeeper and external applications. The two types of GKTMP messages include:

1. GKTMP RAS Messages: Used to exchange the contents RAS messages between the Cisco IOS Gatekeeper and the external application.
2. Trigger Registration Messages: Used to by the external application to indicate to the Cisco IOS Gatekeeper which RAS message should be forwarded.

Cisco Systems GKTMP Messages
This Cisco guide describes the objectives, audience, organization, and conventions of the Cisco Gatekeeper External Interface Reference.