Cisco Cisco ASR 5000

Cisco

ECS Administration Guide, StarOS Release 16 ▄

iii

CONTENTS

About this Guide ............................................................................................... vii

Conventions Used .................................................................................................................................. viii

Supported Documents and Resources ....................................................................................................ix

Related Common Documentation ....................................................................................................... ix

Related Product Documentation ..................................................................................................... ix

Obtaining Documentation ................................................................................................................ x

Contacting Customer Support ..................................................................................................................xi

Enhanced Charging Service Overview ........................................................... 13

Introduction ............................................................................................................................................. 14

Qualified Platforms ............................................................................................................................. 14

License Requirements........................................................................................................................ 14

Basic Features and Functionality ........................................................................................................... 15

Shallow Packet Inspection ................................................................................................................. 15

Deep Packet Inspection ..................................................................................................................... 15

Charging Subsystem .......................................................................................................................... 15

Traffic Analyzers ............................................................................................................................ 15

How ECS Works ............................................................................................................................ 16

ECS Deployment and Architecture ......................................................................................................... 30

Enhanced Features and Functionality .................................................................................................... 32

Session Control in ECS ...................................................................................................................... 32

Service Group QoS Feature ............................................................................................................... 32

Configuration Overview .................................................................................................................. 34

Support for Service-based QoS ..................................................................................................... 35

Hierarchical Enforcement of QoS Parameters............................................................................... 36

Reporting Statistics and Usage to PCRF ....................................................................................... 37

Time and Flow-based Bearer Charging in ECS ................................................................................. 37

Fair Usage .......................................................................................................................................... 38

Content Filtering Support ................................................................................................................... 39

Content Filtering Server Group Support ........................................................................................ 39

In-line Content Filtering Support .................................................................................................... 39

DNS Snooping .................................................................................................................................... 40

License Requirements ................................................................................................................... 40

Bulkstatistics Support ..................................................................................................................... 40

How it Works .................................................................................................................................. 41

Limitations and Dependencies ....................................................................................................... 45

IP Readdressing ................................................................................................................................. 45

Next-hop Address Configuration ........................................................................................................ 46

Post Processing ................................................................................................................................. 46

How the Post-processing Feature Works ...................................................................................... 47

Tethering Detection ............................................................................................................................ 47

License Requirements ................................................................................................................... 48

MUR Support for Tethering Detection ........................................................................................... 48

Tethering Detection Databases ..................................................................................................... 48

Loading and Upgrading Tethering Detection Databases ............................................................... 48

Session Recovery Support ............................................................................................................ 49