The default bundle data protocol is GRE (47). Before you configure SAToP bundles, you should change the default bundle data protocol to a value other than GRE. Doing so prevents conflict between legacy CTP bundles and SAToP bundles that are using GRE for interoperability.
To configure the default data protocol for bundles from GRE using CTP Menu:
You are notified that changing this parameter requires a system reboot.