User Manual

Chapter 3 - Operation and Administration of the Macro BTS NPU Configuration
4Motion 231 System Manual
Network Decision Point (NWDP): Includes the following non-bearer plane
functions:
» Implementation of EAP Authenticator and AAA client
» Termination of RADIUS protocol against the selected CSN AAA server
(home or visited AAA server) for MS authentication and per-MS policy
profile retrieval
» Storage of the MS policy profile for as long as the MS is
authenticated/authorized and remains in the ASN controlled by the
specific ASN-GW
» Generation of authentication key material
» QoS service flow authorization entity
» AAA accounting client
Network Enforcement Point (NWEP) functions: Includes the following bearer
plane functions:
» Classification of downlink data into generic routing encapsulation (GRE)
tunnels
» Packet header suppression functionality
» DHCP functionality
» Handover functionality
The ASN-GW functionality is disabled if you are operating the NPU in the
Transparent mode. If you are operating the NPU in the ASN-GW mode, you can
choose to operate the NPU in either of the following modes:
With HA support, that is, MIP services are implemented (not supported in the
current release)
Without HA support, that is, MIP services are not implemented.
IMPORTANT
The ASN-GW mode with HA support is not implemented because MIP services are not supported in
the current release.