Cisco ASR 5000 series Product Overview page 506

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Table of Contents

▀ Product Description

Figure 129. Basic E-UTRAN/EPC and eHRPD Network Topology

Another key role of the P-GW is to act as the anchor for mobility between 3GPP and non-3GPP technologies such as

WiMAX and 3GPP2 (CDMA 1X and EvDO).

P-GW functions include:

Mobility anchor for mobility between 3GPP access systems and non-3GPP access systems. This is sometimes

referred to as the SAE Anchor function.

Policy enforcement (gating and rate enforcement)

Per-user based packet filtering (deep packet inspection)

Charging support

▄ Cisco ASR 5000 Series Product Overview

PDN Gateway Overview