Cisco Cisco Packet Data Gateway (PDG) Guida Alla Risoluzione Dei Problemi

Cisco

Cisco ASR 5000 Series Peer-to-Peer Detection Administration Guide ▄

OL-22960-01

C

ONTENTS

About this Guide ................................................................................................. v

Conventions Used .................................................................................................................................................... vi

Contacting Customer Support ............................................................................................................................... viii

Peer-to-Peer Overview ........................................................................................ 9

Supported Platforms and Products ......................................................................................................................... 10

Licenses .................................................................................................................................................................. 11

P2P Overview ......................................................................................................................................................... 12

P2P Voice Call Duration ................................................................................................................................... 16

Random Drop Charging Action ......................................................................................................................... 16

Dynamic Signature Updates .............................................................................................................................. 16

P2P Protocol Detection Software Versions ................................................................................................... 17

Enabling and Disabling P2P Dynamic Signature Updates ............................................................................ 17

Loading and Unloading P2P Signature File .................................................................................................. 17

How P2P Works ..................................................................................................................................................... 19

Advantages of P2P Processing Before DPI ....................................................................................................... 19

P2P Session Recovery ....................................................................................................................................... 20

Recovery from Task Failure ......................................................................................................................... 20

Recovery from CPU or PSC/PSC2 Failure ................................................................................................... 20

Limitations ......................................................................................................................................................... 20

Skype ............................................................................................................................................................ 21

eDonkey ........................................................................................................................................................ 21

Yahoo ............................................................................................................................................................ 21

MSN .............................................................................................................................................................. 21

BitTorrent ..................................................................................................................................................... 21

Jabber ............................................................................................................................................................ 22

Gnutella / Morpheus ..................................................................................................................................... 22

Winny ........................................................................................................................................................... 22

FastTrack ...................................................................................................................................................... 22

Gadu-Gadu .................................................................................................................................................... 22

Other Limitations .......................................................................................................................................... 22

Peer-to-Peer Detection Configuration ............................................................ 25

Configuring System for P2P Detection Support ..................................................................................................... 26

Initial Configuration .......................................................................................................................................... 26

Activating PACs/PSCs.................................................................................................................................. 26

Enabling Enhanced Charging........................................................................................................................ 27

Modifying the Local Context ........................................................................................................................ 27

P2P Detection Configuration ............................................................................................................................. 28

Creating the Active Charging Service .......................................................................................................... 29

Configuring P2P Detection Rules ................................................................................................................. 29

Configuring the Charging Action ................................................................................................................. 40

Configuring the Rulebase ............................................................................................................................. 41

Setting EDR Formats .................................................................................................................................... 47

Enable DSCP Marking .................................................................................................................................. 48

Configuring P2P Dynamic Signature Updates .............................................................................................. 50

Saving the Configuration ........................................................................................................................................ 52