What additional function does the eNB support in case of SIPTO@LN with stand-alone gateway?
Transfer of the collocated L-GW IP address to the MME
Support for MME-triggered S-GW relocation
Signaling of its LHN ID to the MME
Support of basic P-GW functions in the stand-alone gateway
Activation of SIPTO@LN PDN for requested APN