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Cisco Systems ASR 1000 manual

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Table of contents for the manual

  • Page 1

    Americas Headquarters Cisco Systems, In c. 170 West Tasman Drive San Jose, CA 951 34-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553-NETS (638 7) Fax: 408 527-0883 Cisco IOS XE Integrated S ession Border Contr oller Conf iguration Guide f or the Cisco A SR 1 0 0 0 S eries A ggregation S er vices Routers Cisco IOS XE Release 2.1 May 5, 20 0[...]

  • Page 2

    THE SPECIFICATION S AND INFORMAT ION RE GARDIN G TH E PRODU CTS IN THIS MANU AL A RE SUBJ ECT T O CHAN GE W ITHOUT N OTICE. ALL STATEMENTS , INFORMATION, AND RECOMMENDATI ONS IN THI S MANUAL ARE BE LIEVED TO BE A CCURATE BUT ARE PRESENTED WI THOUT WARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USER S MUST TAKE FULL RESPONSI BILITY FOR THEIR APPLICAT IO[...]

  • Page 3

    iii Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 CONTENTS Preface ix Document Revision History ix Objectives ix Intended Audience x Organization x Related Documentation xi Cisco ASR 1000 Series Router Docume ntation i-xi Cisco IOS Release 12.2SR Softw [...]

  • Page 4

    Contents iv Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Configuring Primary IP and Primary Media IP Addresses: Examp le 2-10 Configuring Secondary IP and Seconda ry Media IP Addresses: Example 2-11 Making Global Change s to Controllers: Example 2-11 [...]

  • Page 5

    Contents v Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Related Comman ds 5-7 CHAPTER 6 H.248 Packages—S ignaling and Contro l 6-1 Contents 6-1 Enabling Optional H.24 8 Packages 6-1 Related Commands 6-2 H.248 Address Reporting Package 6- 2 H.248 Gate[...]

  • Page 6

    Contents vi Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 DBE Restrictions 7-5 Local Source Properties (Address and Port) 7-5 Locally Hairpinned Sessions 7-5 Twice NAPT Pinhole Hairpinnin g 7-5 No NAPT Pinhole Hairpinning 7-5 DBE Restrictions 7-6 MGC-S[...]

  • Page 7

    Contents vii Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 DBE Restrictions 8-3 Related Comman ds 8-3 IP NAPT Traversal Packa ge and Latch and Relatc h Support 8-3 Latch and Relatch Support 8-3 DBE Restrictions 8-4 Related Comman ds 8-4 Local Source Pro[...]

  • Page 8

    Contents viii Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Hardware Redundancy 10-2 Software Redundancy 10 -2 Route Processor Redundancy (RP R) 10-2 SSO Support 10-3 ISSU Support 10-3 CHAPTER 11 Quality Monitoring and Statistics Gathering 11-1 Content[...]

  • Page 9

    ix Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Preface This preface describes th e objecti ves and or ganization of this document and e xplains ho w to f ind additional informati on on related products and servi ces. This preface contains the follo wi[...]

  • Page 10

    x Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Preface Intended Audience This document is intend ed for the follo wing people: • Experienced service pr ovider administrators • Cisco telecommunications management engineers • Customers who use and[...]

  • Page 11

    xi Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Preface Related Documentation This section refers y ou to other documentation that also might be useful as you confi gure your Cisco ASR 1000 Series Routers. The do cument ation listed belo w is a vailabl[...]

  • Page 12

    xii Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Preface Command syntax descript ions use the follo wing con ventio ns: Nested sets of square bracke ts or braces indicate opt ional or required choices within optional or requi red elements. For e xampl[...]

  • Page 13

    xiii Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Preface Ti p Means the following information will help you solve a pr oblem . The tips informatio n might not be troubleshooting or e ven an action, b ut could be useful information, similar to a T imes[...]

  • Page 14

    xiv Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Preface[...]

  • Page 15

    CH A P T E R 1-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 1 Integrated Session Border Controller for the Cisco ASR 1000 Series Routers Overview This chapter pr esents an o vervie w of the Inte gr ated Session Border Controller (SBC), supported fe[...]

  • Page 16

    1-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 1 Integrated Session Borde r Cont roller for the Cisco ASR 1000 Series Routers Overview General Overview The SBC functions break do wn into two logically distinct areas, as follows: • The sign[...]

  • Page 17

    1-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 1 Integrated Se ssion Border Controller for the Cisco ASR 1000 Series Routers Overview General Overview Figure 1-2 on page 1-3 i llustrates the unif ied model. Figur e 1 -2 Unified SBC Model Th[...]

  • Page 18

    1-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 1 Integrated Session Borde r Cont roller for the Cisco ASR 1000 Series Routers Overview Suppor ted Integrated Sessio n Border Controlle r Features Supported Integrated Session Border Controller [...]

  • Page 19

    1-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 1 Integrated Se ssion Border Controller for the Cisco ASR 1000 Series Routers Overview Supported Integrated Sessio n Border Con trolle r Features Cisco IOS XE Release 2.0 Extension to H.248 Aud[...]

  • Page 20

    1-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 1 Integrated Session Borde r Cont roller for the Cisco ASR 1000 Series Routers Overview Suppor ted Integrated Sessio n Border Controlle r Features Cisco IOS XE Release 2.0 Integrated Session Bor[...]

  • Page 21

    1-7 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 1 Integrated Se ssion Border Controller for the Cisco ASR 1000 Series Routers Overview Supported Integrated Sessio n Border Con trolle r Features Cisco IOS XE Release 2.0 MGC-Cont rolled Ga tew[...]

  • Page 22

    1-8 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 1 Integrated Session Borde r Cont roller for the Cisco ASR 1000 Series Routers Overview Deployment of the Integrated Session Bord er Controller Deployment of the Integrated Session Border Contro[...]

  • Page 23

    1-9 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 1 Integrated Se ssion Border Controller for the Cisco ASR 1000 Series Routers Overview Integrated Session Bord er Con troller DBE Deployment Scenario This scenario requires the SP to provide ca[...]

  • Page 24

    1-10 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 1 Integrated Session Borde r Cont roller for the Cisco ASR 1000 Series Routers Overview Integrated Session Bord er Cont ro ller DBE Deployment Scenario[...]

  • Page 25

    CH A P T E R 2-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 2 Configuring Integrated Ses sion Border Controller This chapter descri bes fundamental conf iguration task s required for typical da ta border element (DBE) deployment o f the Integrated [...]

  • Page 26

    2-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Configuring Integrate d Session Bo rder Controller DBE Deployment • T ranscoding • SBC virtual interf ace does not support any e xisting C[...]

  • Page 27

    2-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Configuring Integrated Session Bo rder Controlle r DBE Deployment DETAILED ST EPS Command or Action Purpose Step 1 enable Example: Router> [...]

  • Page 28

    2-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Configuring Integrate d Session Bo rder Controller DBE Deployment Step 11 control-address h248 ipv4 { A.B.C.D } Example: Router(config-sbc-dbe[...]

  • Page 29

    2-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Configuring Integrated Session Bo rder Controlle r DBE Deployment What To Do Next See the “Confi guring H.248 Logging Le vel” section o n [...]

  • Page 30

    2-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Configuring H.248 Logging Level Y ou ru n over 500 acti ve calls on your DB E deployment an d you receive the follo wing log m essage: *Feb 11[...]

  • Page 31

    2-7 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Configuring H.248 Logging Level 16. exit 17. end DETAILED ST EPS Command or Action Purpose Step 1 enable Example: Router> enable Enables pr[...]

  • Page 32

    2-8 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Configuring H.248 Logging Level Enabling H.248 Logging Requests and Responses Because the defaul t logging le vel of 6 3 is set on by defa ult[...]

  • Page 33

    2-9 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Configuration Examp les Note that some messages may be displayed on the standb y Route Processor (RP) because some of the components rem ain i[...]

  • Page 34

    2-10 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Configuration Examples SBC DBE Configuration Steps: Example The follo wing steps list the tasks you need to do to conf igure an SBC DBE deplo[...]

  • Page 35

    2-11 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Configuration Examp les Configuring Secondary IP and Secondary Media IP Addresses: Example The follo wing e xample sho ws the running conf ig[...]

  • Page 36

    2-12 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Configuration Examples The follo wing e xample sho ws the initial SBC conf iguration: sbc mySbc dbe vdbe global use-any-local-port control-ad[...]

  • Page 37

    2-13 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Configuration Examp les Making Changes to Individual Controller Settings: Example Y ou want to change an indi vidual setting conf igured on a[...]

  • Page 38

    2-14 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Cisco H.248 Profile The follo wing e xample illustrates the user follow ing the recommended steps to change the remote address: Router(config[...]

  • Page 39

    2-15 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 2 Configuring Integrated Session Border Controller Cisco H.248 Profile The termination ID structur e is provi sioned in the MGC. The MGC is at liber ty to choose any termin ation naming struct[...]

  • Page 40

    2-16 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 2 Configuring In tegrated Session Border Controller Cisco H.248 Profile Enhanced Ro ot eroot N/A Proprietary package Enhanced Traf fic Management etman 1 Gate Information ginfo 1 Gate Recov ery[...]

  • Page 41

    CH A P T E R 3-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 3 DTMF Interworking This chapter descri bes the impo rtance and fu nction of dual-tone m ultifrequency (DTMF) in terworking between various signalin g types an d how DTMF is supported on t[...]

  • Page 42

    3-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 3 DTMF Int erworking RTP to SIP Interworking • R TP DTMF insertion—The R TP packets contain in formation in their headers indicating that a DTMF is being generated. The endpoints interp ret [...]

  • Page 43

    3-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 3 DTMF Interworking Configuring Default Du ration of a DTMF Even t DETAILED ST EPS Command or Action Purpose Step 1 enable Example: Router> enable Enables priv ileged EXEC mode. • Enter yo[...]

  • Page 44

    3-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 3 DTMF Int erworking Configuring Default Du ration of a DTMF Eve nt[...]

  • Page 45

    CH A P T E R 4-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 4 Media Address Pools Y ou can configu re Integrated Session Border Controller (SBC) with a si ngle media address or a range of sequential media addresses. In addition, y ou can defi ne on[...]

  • Page 46

    4-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 4 Media Ad dress Pools Information About Media Address Pools • Address ranges and single addresses m ay not ov e rlap. • Where a range of addresses is defined in a single command, the addre [...]

  • Page 47

    4-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 4 Media Addres s Poo ls Configuring Media Address Po ols DETAILED ST EPS Command or Action Purpose Step 1 configure terminal Example: Router# configure terminal Enters global conf iguration mod[...]

  • Page 48

    4-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 4 Media Ad dress Pools Configuring Media Ad dress Pools Example Configuring Media Address Pools Example This section pro v ides a sample conf iguration for media addr ess pools. The follo wing s[...]

  • Page 49

    CH A P T E R 5-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 5 Quality of Service and Bandwidth Management Integrated Session Border Controller (SBC) for the Ci sco ASR 1000 Seri es Rout ers pro vides Quality of Service (QoS) and bandwidth manageme [...]

  • Page 50

    5-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 5 Quality of Service and Bandwidth Management H.248 Traffic Managem ent Packag e Support for either a media flo w or signaling flo w . Once tman/pol is speci fied as O N and both the tman/sdr an[...]

  • Page 51

    5-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 5 Quality of Service and Band width Management DSCP Marking and IP Precedence Marking DSCP Marking and IP Precedence Marking The DBE supports marking of dif feren tiated services code point (DS[...]

  • Page 52

    5-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 5 Quality of Service and Bandwidth Management QoS Bandwidth Allocation QoS Bandwidth Allocation The DBE supports QoS bandwidth allocati on. The DBE has the ability to limit excess tr af f ic be [...]

  • Page 53

    5-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 5 Quality of Service and Band width Management Two-Rate Three-Color Policing and Ma rking Two-Rate Three-Color Policing and Marking T raf f ic policing is a traf fic re gulation mechanism that [...]

  • Page 54

    5-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 5 Quality of Service and Bandwidth Management Two-Rate Three -Co lo r Policing and Marking • T raff ic not conforming to the lo wer sdr rate, but conformin g to the higher pdr rate. These pack[...]

  • Page 55

    5-7 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 5 Quality of Service and Band width Management Two-Rate Three-Color Policing and Ma rking Related Commands The contro l-dscp marker -dscp pdr-coeff icient command enables the T wo-Rate Three-Co[...]

  • Page 56

    5-8 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 5 Quality of Service and Bandwidth Management Two-Rate Three -Co lo r Policing and Marking[...]

  • Page 57

    CH A P T E R 6-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 6 H.248 Packages—Signaling and Control The data borde r element (D BE) deployment o f the In tegrated Session Border Cont roller (SBC) for the Cisco ASR 1000 Seri es Routers supports sta[...]

  • Page 58

    6-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 6 H.248 Packa ges—Signaling and Control H.248 Address Reporting Package Related Commands The package command enables the DBE to use the o ptional eroot package. H.248 Address Reporting Package[...]

  • Page 59

    6-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 6 H.248 Packages—Sig naling and Control H.248 Session Failur e Reaction Package Segmentati on package support i ncludes the follo wing function ality: • If the media gate way controller (MG[...]

  • Page 60

    6-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 6 H.248 Packa ges—Signaling and Control H.248 Termination St ate Control Package • The v alues of the sfr/td, sfr/db, sfr/aa, and sfr/ dt properties are reported to the MGC in Aud it respons[...]

  • Page 61

    6-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 6 H.248 Packages—Sig naling and Control H.248 Termination State Control Pack age • The tsc/gtd and tsc/ata properties and the tsc/dc e v en t (if subscribed for) are report ed to the MGC in[...]

  • Page 62

    6-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 6 H.248 Packa ges—Signaling and Control H.248 Traffic Managem ent Packag e Support H.248 Traffic Management Package Support The DBE supports the sust ained data rate (tman/sd r), maximum bur s[...]

  • Page 63

    6-7 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 6 H.248 Packages—Sig naling and Control MGC-Controlled Gateway-Wide Prop ertie s Related Commands The VLAN tag and priority infor mation is returned in the sho w sbc dbe media-flow-stats and [...]

  • Page 64

    6-8 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 6 H.248 Packa ges—Signaling and Control MGC-Controlled Gate way-Wide Properties[...]

  • Page 65

    CH A P T E R 7-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 7 H.248 Services—Signaling and Control The data border element (DBE) of the Integrated Session Border Controller (SBC) manages media packets, but it also take s part in forwarding signal[...]

  • Page 66

    7-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control DBE Signaling Pinhole Support DBE Signaling Pinhole Support DBE Signaling Pinhole Sup port allo ws the media gate w ay controll er (MGC) to directly co [...]

  • Page 67

    7-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control Extension to H.248 Au dit Support Extension to H.248 Audit Support Extension to H.248 A udit Support adds supp ort for DBE auditing of the Sign als, Obs[...]

  • Page 68

    7-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control Flexible Address Prefix Provisioning • Partial wil dcards which omit one or more tiers of the terminati on name are not supported. F or example, “op[...]

  • Page 69

    7-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control Local Source Pro perties (Address and Port) DBE Restrictions The follo wing are restrictions of D BE support for the Flex ible Address Pref ix Provision[...]

  • Page 70

    7-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control MGC-Specified Local Addresses o r Ports • Each “internal termination ” has local and remote addr esses that are identical to those of the external[...]

  • Page 71

    7-7 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control Multi-Stream Termination s • Requested address or port is al ready in use by ano ther flow , or was in use b y a recently deleted flo w . Megaco error[...]

  • Page 72

    7-8 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control Nine-Tier Ter mination Name Hierarchy Information About Nine-Tier Termination Name Hierarchy The MG assigns a channel ID that is unique across all termi[...]

  • Page 73

    7-9 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control Nine-Tier Terminatio n Name Hierarchy Displaying the Nine-Tier Termination Name Hierarchy: Example This section pro vides an exampl e of the reported f [...]

  • Page 74

    7-10 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control Optional Local an d Remote Descriptor s Packets Received: 2249 Packets Sent: 2272 Packets Discarded: 465 Data Received: 263 (bytes) Data Sent: 266 (byt[...]

  • Page 75

    7-11 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control Remote Source Address Mask Filtering Remote Source Address Mask Filtering The Remote Source Address Mask Filt ering feature is described in the “Remo[...]

  • Page 76

    7-12 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control ServiceChange Notification for Interface Status Change Note For more details on t he sbc interf ace-id command, see the Cisco IOS I nte grated Session [...]

  • Page 77

    7-13 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control ServiceChange Notification for Interfac e Status Cha nge DETAILED ST EPS Configuration Example Output In the follo w ing conf iguration output e xample[...]

  • Page 78

    7-14 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control T-MAX Timer T-MAX Timer The T -MAX timer is a ti mer that limits the maximum delay of retransmissions b y the H.248 stack on a data border element (DBE[...]

  • Page 79

    7-15 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 7 H.248 Services—Signaling and Control Video on Demand (VOD) Su pport such as pay-per -vie w , or do wnload content to a deliv ery device for fut ure viewin g. Deliv ery devices include comp[...]

  • Page 80

    7-16 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 7 H.248 Serv ices—Signaling and Control Video on Demand (VOD) Support[...]

  • Page 81

    CH A P T E R 8-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 8 Integrated Session Border Controller Security Integrated Session Border Controller (SBC) for the Cisco ASR 10 00 Series Rout ers of fers high security functions. Enterprise users w ant t[...]

  • Page 82

    8-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 8 Inte grated Session Border Controller Secu rity Firewall (Media Pinhole Cont rol) Firewall (Media Pinhole Control) The SBE Call Admission Contr ol (CA C) function in spects the signaling messa[...]

  • Page 83

    8-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 8 Integrated Se ssion Border Controller Security Interim Authentication Header Support Interim Authentication Header Support Interim Authentication Head er (IAH) Support pro vides protocol-le v[...]

  • Page 84

    8-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 8 Inte grated Session Border Controller Secu rity Local Source Prope rties (Address and Port) When latching, the DBE uses the remote address a nd port of a source endpoint as the destinatio n en[...]

  • Page 85

    8-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 8 Integrated Se ssion Border Controller Security NAPT and NAT Trave rsal Note A termination can be described as a po int of entry or exi t of media flo ws relati ve to the DBE. T erminations ma[...]

  • Page 86

    8-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 8 Inte grated Session Border Controller Secu rity Topology Hi din g Packets arri ving at the SBC are cl assified into flo w s using the follo w ing data: VPN ID, destination address, destinatio [...]

  • Page 87

    CH A P T E R 9-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 9 Topology Hiding The Integrated Session Border C ontroller (SBC) for the Cisco ASR 1000 Series Rout ers has a primary purpose in protect ing the netw ork and pr o viding seamless interwor[...]

  • Page 88

    9-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 9 To pology Hiding NAPT and NAT Traversal NAPT and NAT Traversal NA P T a n d NA T Tr a v e r s a l are described in Chapter 8, “Integrated Session Border Controller Security . ” . IP NAPT T[...]

  • Page 89

    9-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 9 Topology Hiding IPv6 Inter-Subscriber Blocking because they ha ve an SBC DBE-updated DSCP v alue. Depending on the QoS classif ication, you also hav e the flex ibility of blocking partial t r[...]

  • Page 90

    9-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 9 To pology Hiding IPv6 Inter-Subscriber Bloc king priority level 1 10000 (kbps) Class AF4 set cos 4 priority level 2 75000 (kbps) Class AF1 set cos 1 priority level 2 5000 (kbps) Class IPv6_int[...]

  • Page 91

    9-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 9 Topology Hiding IPv6 Support ACL-Based Inter-Subscriber Blocking Method In the follo wing example of th e A CL-based inter- s ubscriber blocking metho d, packets entering the DBE from the acc[...]

  • Page 92

    9-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 9 To pology Hiding IPv6 Support packet has the endpoint’ s IP address as the destin ation address, and t he MGC/SBE IP addre ss as the source address. In Single NAPT , the DBE changes th e sou[...]

  • Page 93

    9-7 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 9 Topology Hiding IPv6 Support Figure 9-1 illustrates a No N APT media flow thr ough the DBE between user side A and user side B. Figur e 9-1 No NAPT Medi a Fl o w 1. User side A sends a pack e[...]

  • Page 94

    9-8 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 9 To pology Hiding IPv6 Support Figure 9-2 illustrates a Single N APT signaling flo w thro ugh the DBE b etween user side A and user side B. Figur e 9-2 Single NAPT Signaling Flo w 1. User side [...]

  • Page 95

    9-9 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 9 Topology Hiding No NAPT Pinholes Related Commands • The ipv6 addr ess (session border controller) command sets or creates th e IPv6 address prefix on an SBC interface. • The media-addr es[...]

  • Page 96

    9-10 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 9 To pology Hiding No NAPT Pinholes • A hairpin of two pinholes in which b oth external ter minations are provisioned wi th the N A T latching instruction canno t latch and cannot forw ard me[...]

  • Page 97

    CH A P T E R 10-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 10 High Availability Support This chapter describes high av ailability support for the Inte grated Session Bor der Controller (SBC) on the Cisco ASR 1000 Series Ag gregat ion Services Rou[...]

  • Page 98

    10-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 10 High Availability Support Hardware Redun dancy Hardware Redundancy Integrated Session Border Controlle r supports use of a redundant or stand by Route Processor (RP) and redundant Embedded S[...]

  • Page 99

    10-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 10 Hi gh Availability Support SSO Support Upon an RPR-based RP switchover e vent, all SBC calls already established (in a steady state) at the time of the switchov er are lost. Some SBC calls [...]

  • Page 100

    10-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 10 High Availability Support ISSU Support[...]

  • Page 101

    CH A P T E R 11-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 11 Quality Monitoring and Statistics Gathering The Data Border Element (DBE) deployment of the Integrated Session Border Controller (SBC) has a main objecti ve in supporting quality m oni[...]

  • Page 102

    11-2 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 11 Quality Moni toring and Statistics Gathering Billing and Call Detail Records Billing and Call Detail Records One main function of SBC is to generate correct bi lling, call detail and usage r[...]

  • Page 103

    11-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 11 Quality Mo nitoring and Statistics Gathering Enhanced Event N otifica tion and Auditing • If the DBE switched to a ne w MGC for some reason, the ne w MGC had no means to learn what ev en [...]

  • Page 104

    11-4 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 11 Quality Moni toring and Statistics Gathering Enhanced Ev ent Notification and Auditing Association Reset A conf iguration opti on (the h248-association-timeout command) has been added that a[...]

  • Page 105

    11-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco AS R 1000 Series Aggregat ion Services Router s OL-15421-01 Chapter 11 Quality Mo nitoring and Statistics Gathering H.248 Network Package Qualit y Alert Event and Middlebox Pi nhole Timer Expired Event H.248 Network Package Quality Alert Event and Middlebox Pi[...]

  • Page 106

    11-6 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide fo r the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 Chapter 11 Quality Moni toring and Statistics Gathering Provisioned Inactivity Timer Related Command The h248-media-alert- event command is used to enable or disable the Middlebox Pinhol e T imer Expir[...]

  • Page 107

    IN-1 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 INDEX A active RP 10-2 adr package 8-2 architecture deployment scenario 1-8 SBC example 1-2 ASR 1002 Router 10-1 ASR 1004 Router 10-1 ASR 1006 Router 10-1 association failure 11-6 association reset 11-4[...]

  • Page 108

    Index IN-2 Cisco IOS XE Integrated Session Border Controller Configuration Guide for the Cisco A SR 1000 Series Aggregation Services Router s OL-15421-01 differentiated services code point 5-3 diffserv package 5-5 discarded packets statistics 11-2 distributed mo del 1-2, 1-8 dropped calls 10-3 DSCP 5-3 two-rate three-color po licing and marking 5-5[...]

  • Page 109

    Index IN-3 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 twice NAPT pinhol es 7-5 hairpin suppor t 7-5 hardware redundancy 10-2 hiding network address 9-1 high availabilit y 10-1 huge buffer size 2-1 hung call 11-2 I illustration No NAPT 9-7 inactivity [...]

  • Page 110

    Index IN-4 Cisco IOS XE Integrated Session Border Controller Configuration Guide for the Cisco A SR 1000 Series Aggregation Services Router s OL-15421-01 DBE status notification 11-2 enhanced event noti fication 11-2 H.248 events storage 11-3 nt/qualert 11-2, 11-4, 11-5 O optional local/remote descr iptors 7-10 overview, SBC 1-1 P packet forwarding[...]

  • Page 111

    Index IN-5 Cisco IOS XE Integrated Session Border Cont roller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Router s OL-15421-01 SDP 5-2 sdr property 5-2 security, SBC 8-1 firewall 8-2 H.248 address reporting p ackage 8-2 H.248 session failur e reaction package 8-2 H.248 termination state control package 8-2 interim authent[...]

  • Page 112

    Index IN-6 Cisco IOS XE Integrated Session Border Controller Configuration Guide for the Cisco A SR 1000 Series Aggregation Services Router s OL-15421-01 video on dem and systems 7-14 VLAN package syntax -level support 6-6 VoD support 7-14 voice over IP 1-1 voice tones 3-1 W wildcarding support 7-3[...]