an UE is successfully registered and connected.
The HSS generates an S6a-IDR message to the MME including APN-Configuration-Profile with the the following information:
All-APN-Configurations-Included-Indicator = 1 (The APN list is complete)
One APN-Configuration containing an updated Default-APN.
Will the MME terminate all ongoing Data-sessions and attempt the creation of a new GTP Tunnel with the updated default-APN?
What will happen of the creation of the "New default-APN" GTP Tunnel fail?
Does the UE remain registered in the Network with no Data service?