Cisco Voice Interworking Services (VISM), VISM 3.0 Installation And Configuration Manual
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Cisco VISM Installation and Configuration
Guide
Release 3.0
June 2004
Text Part Number: OL-2521-01 D0
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Cisco VISM Installation and Configu ration Guide
Copyright © 2004, Cisco Systems, I nc.
All rights reserved.
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CONTENTS
Preface xiii
Objectives xiii
Audience xiii
Document Organization xiii
Related Documentation xiv
Cisco MGX 8850 (PXM45) Multiservice Switch Release 3 xiv
MGX 8850 (PXM1) Multiservice Switch Release 1.2.10 xv
MGX 8250 Edge Concentrator Release 1.2.10 xvi
MGX 8230 Edge Concentrator Release 1.2.10 xvi
Conventions xvii
Obtaining Documentation xviii
Cisco.com xviii
Ordering Documentation xviii
Documentation Feedback xviii
Obtaining Technical Assistance xix
Cisco TAC Website xix
Opening a TAC Case xix
TAC Case Priority Definitions xx
Obtaining Additional Publications and Information xx
CHAPTER
1 Overview of the VISM and VISM-PR Cards 1-1
VISM and VISM-PR Card Types 1-1
VISM and VISM-PR Card Service Types 1-5
VISM and VISM-PR Card Physical Characteristics 1-5
VISM Card Architecture 1-5
VISM and VISM-PR Card Features 1-6
Redundancy and Bulk Distribution 1-8
Operating Modes 1-9
VoIP Switching and Switched AAL2 PVC Operating Modes 1-9
AAL2 Trunking Operating Mode 1-11
VoIP Trunking Operating Mode 1-12
AAL1/AAL2 SVC Operating Mode 1-12
Installing VISM Hardware and Software 1-13
Installing VISM Cards in MGX 8000 Series Chassis 1-13
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Installing VISM-PR Cards in MGX 8000 Series Chassis 1-13
MGX 8850 and MGX 8250 Chassis 1-14
MGX 8230 Chassis 1-15
Installing VISM and VISM-PR Front and Back Cards 1-15
Installing a VISM or VISM-PR Front Card 1-15
Installing a VISM Back Card 1-16
Connecting Cables to Cards 1-16
Removing VISM and VISM-PR Front and Back Cards 1-17
Removing a VISM or VISM-PR Front Card 1-17
Removing a VISM Back Card 1-17
Applying Power to the VISM Card 1-18
Installing VISM Software Upgrades 1-18
Software Upgrades 1-20
Prerequisites 1-20
VISM/VISM-PR Upgrades with PXM1 1-20
Download VISM/VISM-PR Boot Code and Firmware to PXM1 1-20
Upgrade VISM/VISM-PR Firmware with PXM1 Card 1-21
Boot Code Upgrade Procedure with PXM1 Cards 1-23
VISM-PR Upgrades with PXM1E and PXM45 1-23
Download VISM-PR Boot Code and Firmware to PXM1E and PXM45 1-24
Upgrade VISM-PR Firmware with PXM1E and PXM45 Cards 1-24
Boot Code Upgrade Procedure with PXM1E and PXM45 Cards 1-25
VISM/VISM-PR Downgrade Procedure 1-25
VISM to VISM-PR Hardware Upgrade 1-26
CHAPTER
2 Telephony Applications Using VISM 2-1
Tandem Switch Offloading 2-1
Multiservice Access 2-3
AAL2 Trunking 2-3
CHAPTER
3 VISM Functional Description 3-1
TDM Line-Handling Function 3-2
Bearer Processing Function 3-3
Echo Cancellation, Voice Compression, A/Mu Law Conversion 3-3
Voice Activity Detection and Silence Suppression 3-4
Fax and Modem Tone Detection 3-4
Jitter Control 3-5
CAS Handling 3-5
Signaling Function 3-5
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CAS Processing in VoIP Switching and Switched AAL2 PVC Operating Mode 3-6
CCS Processing in Switched AAL2 PVC Operating Mode 3-9
CAS Processing in AAL2 Trunking Operating Mode 3-11
CCS Processing in AAL2 Trunking Operating Mode 3-11
ATM Voice Data Processing Function 3-11
Transporting Voice Cells with VoIP 3-11
Transporting Voice Cells with Switched AAL2 PVC 3-13
Transporting Voice Cells with AAL2 Trunking 3-14
Transporting Voice Cells with Switched AAL1 SVC 3-14
Call Control Function 3-15
Connection Model 3-16
xGCP Extensions for AAL2 Switched PVC and AAL2 SVC Operating Modes 3-17
Endpoint Service States 3-17
Restart In Progress Command 3-18
Connection Admission Control 3-19
Embedded VISM Management Function 3-19
CHAPTER
4 Configuring VISM Features 4-1
Using the Command Line Interface 4-1
VISM Command Attributes 4-2
Connecting to Cisco MGX 8000 Series Platforms 4-2
Logging In to PXM and VISM Cards 4-3
VISM Card Prompt 4-5
Logging Out of VISM and PXM Cards 4-5
Configuring VISM Features 4-6
Initial VISM Configuration 4-6
Initial Card Level Configuration 4-8
Configuring the Operating Mode 4-8
Allocating Resources 4-9
Configuring Connection Admission Control 4-10
Placing the VISM Card In Service 4-11
Placing the VISM Card Out of Service 4-11
Configuring the TDM Side 4-11
Configuring T1 and E1 Lines 4-11
Configuring the PXM and VISM Cards Clocking Source 4-14
Configuring the PXM1E or PXM45 Card as Clocking Source 4-17
Configuring DS0 Channels 4-17
Configuring Bearer Processing 4-27
Configuring Codecs 4-27
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Configuring ECAN 4-29
Configuring Jitter 4-30
Configuring PNNI for AAL1/AAL2 SVCs 4-31
Configuring the ATM Network Side 4-31
Configuring PVC Connections for All Operating Modes 4-32
Configuring VoIP Switching/Trunking Operating Mode Parameters 4-34
Configuring AAL2 Trunking Operating Mode Parameters 4-36
Configuring Switched AAL2 PVC Operating Mode Parameters 4-38
Configuring the Call Agent Interface 4-44
Configuring Domain Names and IP Addresses 4-45
Setting Up Call Agents and Protocols 4-45
Configuring Gateway Control Protocols 4-47
Configuring ISDN PRI Backhaul 4-49
Configuring Additional VISM Features 4-52
Mid-Call DTMF 4-55
Configurable Jitter Buffer 4-55
Adjustable Gain 4-55
Adjustable Music On-Hold Threshold 4-55
CALEA 4-55
MGC Redundancy 4-55
External DNS 4-56
2 IP Address Support 4-56
VoIP Trunking 4-56
T.38 Fax Relay 4-57
CAS Feature Enhancements 4-57
Programmable Tone Plans 4-57
Loop Start, DID, and Delay Dial 4-58
FGD 4-58
Configure Flash Hook and Glare Condition Attributes 4-59
Configure ANI and DNIS Digit Order 4-59
RFC 3064 Package Support 4-59
RFC 2833 Support 4-59
VISM Network Continuity Test 4-59
Configure PVC OAM Cell Parameters 4-60
PXM1E and PXM45 Card-Only Features 4-60
Call Agent-Controlled VoATM AAL1 and AAL2 SVC 4-61
AAL1 SVC-Based TDM Hairpinning 4-61
High Complexity Codec Support for VISM-PR—G.723.1 4-61
Announcement File System 4-62
Announcement Timeouts 4-62
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Announcement Direction 4-62
Broadcast Announcements 4-63
Multiple Announcement Requests for the Same Endpoint 4-63
Announcement File Server 4-63
Announcement File Server Name 4-63
Announcement File Server Directory Structure 4-63
VISM Announcement Cache Management 4-64
Announcement Expiry 4-64
Permanent Announcements 4-64
Call Agent-Controlled T.38 Fax 4-65
Additional Support for MGCP 1.0 4-66
RSVP-Based Admission Control 4-66
Clock Slip Counters 4-67
RTP Connection Statistics 4-68
CAS Immediate Start and Ground Start Glare Handling 4-68
Grooming for Local Traffic 4-68
MGX 8000 Series Implementation Enhancements 4-69
Additional VBR Enhancements 4-69
Expanded Clock Source Selection 4-69
Private Network-to-Network Interface Priority Routing 4-69
Additional SPVC Connection Management Capabilities 4-70
192 T1/248 E1 DS0 Support with High Complexity Codecs on VISM-PR 4-70
Channel Alarm Enhancement 4-70
VISM TDM Line Statistics Collection 4-70
CHAPTER
5 CLI Commands 5-1
CHAPTER
6 Troubleshooting Tips 6-1
VISM Card LEDs 6-1
VISM and PXM Display, Log, and Diagnostic Loopback Path CLI Commands 6-2
VISM Display Card CLI Command 6-3
PXM Display Log CLI Command 6-3
PXM Diagnostic Loopback Path CLI Commands 6-4
PXM1E and PXM 45 Display CLI Commands 6-4
VISM Alarms 6-5
UNIX Snoop Trace Tool 6-5
Symptoms and Solutions 6-5
VISM Card Did Not Become Active 6-6
T1/E1 Configuration Mismatch 6-6
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DSP Download Failure 6-7
VISM Front Card/Back Card Mismatch 6-8
Cannot Use the cc Command to Access a VISM Card 6-9
VISM Card Resets Intermittently 6-9
VISM Card Does Not Accept a Firmware Download 6-9
Echo Is Heard on a Voice Call 6-9
VISM Card LEDs Are Not Lighted 6-9
Firmware Does Not See the Card Insert Bit Status As Set 6-10
APPENDIX
A VISM and VISM-PR Card Clocking Options A-1
PXM1 Card as Primary Clocking Source A-1
VISM Card as Primary Clocking Source A-3
VISM-PR Card as Primary Clocking Source A-3
PXM1E or PXM45 Card as Primary Clocking Source A-4
Revertive and Nonrevertive Clocking A-4
APPENDIX
B VISM and VISM-PR—3.0 Specifications B-1
VISM Card Specifications B-1
VISM Card Physical Interface Specifications and Applicable Standards B-1
General VISM Card Standards B-2
VISM Card Counters Specifications B-2
VISM-PR Card Specifications B-3
VISM-PR Card Features B-3
INDEX
FIGURES
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Figure 1-1 VISM T1 and E1 Front Cards 1-2
Figure 1-2 VISM-PR T1 and E1 Front Cards 1-3
Figure 1-3 VISM T1 and E1 Back Cards 1-4
Figure 1-4 Cisco MGX 8850 and VISM as a Voice Gateway 1-4
Figure 1-5 VISM Card Block Diagram 1-6
Figure 1-6 VISM Block Diagram for VoIP Switching and Switched AAL2 PVC Operating Modes 1-10
Figure 1-7 VISM Block Diagram for the AAL2 Trunking Operating Mode 1-11
Figure 1-8 Available Chassis Slots for VISM Cards in the MGX 8850 and MGX 8250—Front View 1-14
Figure 1-9 Available Chassis Slots for VISM Cards in the Cisco MGX 8230—Front View 1-15
Figure 1-10 RJ-48 PIN Connector 1-17
Figure 2-1 VISM Used in a Tandem Switch Offloading Application 2-1
Figure 2-2 VISM Used as a Voice Gateway Application 2-2
Figure 2-3 AAL2 Trunking—One End 2-3
Figure 2-4 AAL2 Trunking—Two Ends 2-4
Figure 3-1 VISM Detailed Functional Blocks 3-2
Figure 3-2 VISM Signaling Paths 3-6
Figure 3-3 CAS Processing—Message Structure 3-7
Figure 3-4 CAS Signaling in Initiating and Terminating a Call 3-8
Figure 3-5 PRI/Backhaul Path 3-10
Figure 3-6 RUDP Session Hierarchy 3-10
Figure 3-7 VoIP Protocol Stack 3-12
Figure 3-8 VoIP Cell Packetization and Transmission 3-12
Figure 3-9 AAL2 Cell Packetization and Transmission 3-14
Figure 3-10 Call Agent Communications Links 3-15
Figure 3-11 Connection Model 3-16
Figure 3-12 VISM Card Config Screen—Card Elements Display 3-20
Figure 3-13 VISM Card Config Screen—VISM Features Display 3-21
Figure 4-1 PXM Back Card 4-3
Figure 4-2 VISM to Call Agent Communication 4-44
Figure 6-1 VISM Front Card LEDs 6-2
Figure A-1 VISM Configured for Local Clocking A-1
Figures
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Figure A-2 VISM Configured for Loop Clocking A-3
TABLES
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Table 1 Cisco MGX 8850 (PXM45) Multiservice Switch Release 3 Documentation xiv
Table 2 MGX 8850 (PXM1) Multiservice Switch Release 1.2.10 Documentation xv
Table 3 MGX 8250 Edge Concentrator Release 1.2.10 Documentation xvi
Table 4 MGX 8230 Edge Concentrator Documentation xvi
Table 5 Cisco VISM Related Documentation xvii
Table 3-1 Supported Codecs and Packetization Periods 3-4
Table 4-1 VISM Command Attributes—Log File, Card State, and Privilege Level 4-2
Table 4-2 Mandatory Initial VISM Configuration Command Sequence for All Operating Modes 4-7
Table 4-3 VISM/VISM-PR DS0 Density with Codec Support 4-17
Table 4-4 dspaal2profile Field Descriptions 4-39
Table 4-5 AAL2 Operating Mode Profiles 4-40
Table 4-6 VISM 3.0 Built-in (Preconfigured) Tone Plans 4-57
Table 4-7 VISM/VISM-PR and MGX 8000 Series Switch Support 4-60
Table 4-8 Announcement File System Feature CLI Commands 4-64
Table 4-9 MGCP 1.0 Feature CLI Commands 4-66
Table 4-1 0 RSVP-Based Admission Control Feature CLI Commands 4-67
Table 11 VISM/VISM-PR DS0 Density with Codec Support 4-70
Table 5-1 Tone Plan Definition File Syntax 5-46
Table 5-2 Codec Type Default Values 5-153
Table 5-3 VISM Release 2.2(0) Built-in Tone Plans 5-442
Table 6-1 VISM T1 and E1 Card Alarms 6-5
Table A-1 Revertive/Nonrevertive Clocking and PXM Back Card Support A-5
Tables
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Preface
This preface describes the objectives, audience, organization, and conventions of the Cisco VISM
Installation and Configuration Guide.
Objectives
This document describes the features, functions, installation, operation, and command line interface of
Cisco Voice Interworking Service Module (VISM ) Releas e 3.0.
Audience
This document is intended for the following personnel:
• Technicians responsible for installing V ISM card s o n the Cisco MG X 8230, MGX 82 50, a nd
MGX 8850 sh el f.
• Network administrators respo nsible for configuring th e Cisco MGX 8850 shelf.
Cisco recommends that installers be familiar with electronic circuitry and wiring practices and have
experience as an electronic or electromechanical technician. Installers and network administrators
should also be familiar with Cisco switches and routers, T1 and E1 voice lines, and Cisco wide area
networks. Cisco also recommends that you have a system administrator present who is familiar with your
network and UNIX servers during the initial installation of a Cisco MGX 8000 Series platform.
Document Organization
This document contains the following chapters:
• Chapter 1, “Overview of the V ISM and VI SM-P R Ca rds,” provid es a general intro duction to VISM
and describes the hardware and software mod ules, and insta llation pr oced ures.
• Chapter 2, “Telephony Applications Using VISM,” describes VISM applications for a variety of
voice networking situations.
• Chapter 3, “VISM Functional Description,” describes VISM’s functional operation.
• Chapter 4, “Configuring VISM Features,” describes the initial mandatory configuration procedures
for using VISM cards in each of the operating modes.
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Preface
Related Documentation
• Chapter 5, “CLI Commands,” describes the syntax and semantics of each VISM command line
interface command.
• Chapter 6, “ Troubleshooting Tips,” desc ribes VISM tro uble shoo ting to ols a nd techn ique s.
• Appendix A , “VISM and VI SM-PR Card Cloc king Options, ” desc ribe s cl ocking c onfiguratio n f or
both the VISM card and MGX 8000 Se ries platf orm PXM cards.
• Appendix B, “VISM and VISM-PR—3.0 Specifications,” describes the specifications of VISM
Release 3.0.
Related Documentation
The following sections describe documentation you may need to reference as you use the VISM product.
Cisco MGX 8850 (PXM45) Multiservice Switch Release 3
The documentation for the installat ion and operati on of the MGX 8850 Multi service Switc h for Rele ase
3 is listed in Table 1.
Table 1 Cisco MGX 8850 (PXM45) Multiservice Switch Release 3 Documentation
Title Description
Cisco MGX 8850 Hardware Installation Guide, Release 3
(PXM45/B and PX M1E )
Describes how to install the MGX 8850 multiservice switch.
This guide explains what the swit ch does and covers site
preparation, groun ding , saf ety, card installati on, an d ca bli ng.
The MGX 8850 switch uses eit her a PXM4 5 or a PXM1E
controller card and pr ovides suppo rt for bot h broa dband a nd
narrow band service modules.
Cisco MGX 8850, MGX 8950, and MGX 8830 Command
Reference (PXM45/ B and PXM1 E), Re lea se 3
Describes how to use the PXM and AXSM commands that are
available for the MGX 8850, MGX 895 0, and MGX 8830
switches.
Cisco Frame Relay Software Configuration Guide and
Command Reference for the MGX 8850 FRSM12 Card,
Release 3
Describes how to use the high- spe ed Fr am e Relay (FR SM1 2)
commands that are available for the M GX 8850 swit ch.
Cisco MGX 8850 (PXM45) and MGX 8950 Softwa re
Configuration Guide, Releas e 3
Describes how to configure MGX 8850 and MGX 8950 switches
with PXM45 controller cards to operate as ATM edge or core
switches. This guide also provides some ope ration an d
maintenance procedures.
Cisco MGX and SES PNNI Network Plann ing Guide f or
MGX Release 3 and SES R elease 3
Provides guidelines for pl anni ng a PNN I net work tha t use s the
MGX 8850 and the MG X 89 50 switc hes and the B PX 8600
switches. When connected to a PNNI network, each BPX 8600
series switch requires a SES for PNNI ro ute proc essing.
Cisco MGX Route P rocessor Module ( RPM -XF )
Installation and C onfiguration G uide, Rel ease 3
Describes how to install and configure the MGX Route Processor
Module (RPM-XF) in the M GX 8 850 Re lea se 3 swi tch. A lso
provides site preparation, troublesho oting, maintenanc e, cabl e
and connector sp ecifications, an d b as ic Cis c o IOS configuratio n
information.
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Preface
Related Documentation
MGX 8850 (PXM1) Multiservice Switch Release 1.2.10
The documentation for the installation and operation of the MGX 8850 (PXM1) Multiservice Switch is
listed in Table 2.
Cisco MGX Route P rocessor Module ( RPM -PR )
Installation and C onfiguration Gui de, Rele ase 2. 1
Describes how to install and configure the MGX Route Processor
Module (RPM-PR) in th e MGX 8850 Rel ease 2.1 and later
switches. Also provides site preparation, troubleshooting,
maintenance, cable and connector specifications, and basic
Cisco IOS configuration information.
Release Notes for Cisco MGX Route P rocessor Module
(RPM/B and RPM-PR) for Re lease 1. 2.10 and Re lease 3
Provides the latest feature, upgrade, and compatibility
information, as w el l a s kn own and r eso lved a nom ali es f or
RPM-PR.
Table 1 Cisco MGX 8850 (PXM45) Multiservice Switch Release 3 Documentation (continued)
Title Description
Table 2 MGX 8850 (PXM1) Multiservice Switch Release 1.2.10 Documentation
Title Description
Cisco MGX 8850 Multiservice Switch Installation and
Configuration, Release 1.1.3
Provides installation instructions for the MGX 8850 multiservice
switch.
Cisco MGX 8800 Series Switch Command Re ference,
Release 1.1.3
Provides detailed information on the general command line for
the MGX 885 0 switch .
Cisco MGX 8800 Series Switch System Error Messages,
Release 1.1.3
Provides error message descr iptions an d recovery proced ures.
Cisco MGX 8850 Multiservice Switch Overview,
Release 1.1.3
Provides a technical descripti on of the system compon ents and
functionality of the MGX 8850 multiservice switch from a
technical perspective.
Cisco MGX Route Processor Module Inst allat ion an d
Configuration Guide, Release 1. 1
Describes how to install and configure the MGX Route Processor
Module (RPM/B and RPM-PR) in the MGX 885 0, MGX 8250,
and MGX 8230 Release 1 switch. Also provides site preparation,
troubleshooting, mai nte nanc e, cabl e a nd conn ec tor
specifications, and basic Cisc o I OS configu ration i n forma tion.
Release Notes for Cisc o MGX 8230 , MGX 8 250 , and
MGX 8850 (Re leas e 1), S oft ware Version 1.2.10 (PXM 1)
Provides new feature, upgrade, and compatibility information, as
well as known and resolved anomalies.
Release Notes for Cisco MGX Route P rocessor Module
(RPM/B and RPM-PR) for Re lease 1. 2.10 and Re lease 3
Provides new feature, upgrade, and compatibility information, as
well as known and resolved anomalies.
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Preface
Related Documentation
MGX 8250 Edge Concentrator Release 1.2.10
The documentation for the installation and operation of the MGX 8250 Edge Concentrator is listed in
Table 3.
MGX 8230 Edge Concentrator Release 1.2.10
The documentation for the installation and operation of the MGX 8230 Edge Concentrator is listed in
Table 4.
Table 3 MGX 8250 Edge Concentrator Release 1.2.10 Documentation
Title Description
Cisco MGX 8250 Edge Conc en trator I nstall ati on and
Configuration, Release 1.1 .3
Provides installation instructions for the MGX 8250 Edge
Concentrator.
Cisco MGX 8250 Multiservice Gateway Command
Reference, Releas e 1.1.3
Provides detailed information on the general command line
interface commands.
Cisco MGX 8250 Multiservice Gateway Error Messages,
Release 1.1.3
Provides error message descr iptions an d recovery proced ures.
Cisco MGX 8250 Edge Concen trator Overview,
Release 1.1.3
Describes the system components and functionality of the
MGX 8250 Edge Conce ntrat or from a tec hnica l perspect ive.
Cisco MGX Route Processor Module Inst allat ion an d
Configuration Guide, Release 1. 1
Describes how to install and configure the MGX Route Processor
Module (RPM/B and RPM-PR) in the MGX 885 0, MGX 8250,
and MGX 8230 Release 1 switch. Also provides site pre para tion,
troubleshooting, maintenance, cable and connector specifications,
and basic Cisco IOS c onfigurat ion info rmat ion.
Release Notes for Cisc o MGX 8230 , MGX 8 250 , and
MGX 8850 (Re leas e 1), S oft ware Version 1.2.10 (PXM 1)
Provides ne w f eat ure, up gra de , and comp at ibi lity inform at ion, as
well as known and resolved anomalies.
Release Notes for Cisco MGX Route P rocessor Module
(RPM/B and RPM-PR) for Re lease 1. 2.10 and Re lease 3
Provides ne w f eat ure, up gra de , and comp at ibi lity inform at ion, as
well as known and resolved anomalies.
Table 4 MGX 8230 Edge Concentrator Documentation
Title Description
Cisco MGX 8230 Edge Concentrato r Installati on and
Configuration, Release 1.1.3
Provides installation instructions for the MGX 8230 Edge
Concentrator.
Cisco MGX 8230 Multiservice Gateway Command
Reference, Release 1.1 .3
Provides detailed information on the general command line
interface commands.
Cisco MGX 8230 Multiservice Gateway Error Messages,
Release 1.1.3
Provides error message descr iptions an d recovery proced ures.
Cisco MGX 8230 Edge Concen trator Overview,
Release 1.1.3
Provides a technical descripti on of the system compon ents and
functionality of the MGX 8250 Edge Concentrator from a
technical perspective.
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Preface
Conventions
The documentation listed in Table 5 contain additional information re late d to th e oper at ion of the Cisco
VISM product.
Conventions
This publication uses the fol lowing conventions to describe co mmand s:
• Bold type—indicates command names and user entry text.
• Italic type—indicates arguments for whic h you suppl y values.
• | |—vertical bars indicate optional arguments.
This publication uses the fol lowing conventions to describe examp les:
• Courier font—indicates terminal sessi ons and system display inf ormatio n.
• Courier bold font —indi cat es u ser e ntr y.
Cisco MGX Route Processor Module Inst allat ion an d
Configuration Guide, Release 1. 1
Describes how to install and configure the MGX Route Processor
Module (RPM/B and RPM-PR) in the MGX 885 0, MGX 8250,
and MGX 8230 Release 1 switch. Also provides site pre para tion,
troubleshooting, maintenance, cable and connector specifications,
and basic Cisco IOS c onfigurat ion info rmat ion.
Release Notes for Cisc o MGX 8230 , MGX 8 250 , and
MGX 8850 (Re leas e 1), S oft ware Version 1.2.10 (PXM 1)
Provides ne w f eat ure, up gra de , and comp at ibi lity inform at ion, as
well as known and resolved anomalies.
Release Notes for Cisco MGX Route P rocessor Module
(RPM/B and RPM-PR) for Re lease 1. 2.10 and Re lease 3
Provides ne w f eat ure, up gra de , and comp at ibi lity inform at ion, as
well as known and resolved anomalies.
Table 4 MGX 8230 Edge Concentrator Documentation (continued)
Title Description
Table 5 Cisco VISM Related Documentation
Document Description
Cisco MGX 8850 Multiservice Switch Installation
and Configuration, Release 1.1.3 1
Cisco MGX 8850 shelf installation procedures—refer to the sections
describing the insta llation an d configurati on of the PXM1 ca rd.
Cisco MGX 8800 Series Switch Command
Reference, Release 1.1 .31
Cisco MGX 8800 shelf command line interface commands—refer to
the comman ds t h at ap ply t o t he P X M1 ca rd .
Cisco MGX 8250 Edge Co nc en trator I nstall ation
and Configuration, Release 1.1.3 1
Cisco MGX 82 50 sh elf i nsta llat ion pr oced ure s—r ef er to the se cti ons
describing the installa tion and con figuration of the PXM1 card.
Cites MGX 8250 Multiservice Gateway Command
Reference, Release 1.1 .31
Cisco MGX 8250 shelf command line interface commands—refer to
the comman ds th at ap ply t o the PX M 1 ca rd .
Cisco MGX 8230 Edge Co nc en trator I nstall ation
and Configuration, Release 1.1.3 1
Cisco MGX 82 30 sh elf i nsta llat ion pr oced ure s—r ef er to the se cti ons
describing the installa tion and con figuration of the PXM1 card.
Cisco MGX 8230 Mul tiserv ice Ga teway C ommand
Reference, Release 1.1 .31
Cisco MGX 8230 shelf command line interface commands—refer to
the comman ds t h at ap ply t o t he P X M1 ca rd .
1.1.32 Version Software Release Notes Cisco WAN
MGX 8850, 8230, and 8250 Softwa re
Hardware and software featur e upgrade s for the Cisco MG X 8850,
MGX 8230 , and MGX 8250.
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Preface
Obtaining Documentation
Note Means reader take note. Notes contain helpful suggestions or references to materials not contained
in this manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Obtaining Documentation
Cisco documentatio n and a dd ition al lite rat ure a r e available on Cisc o.co m. Cisc o al so provide s s everal
ways to obtain technical assista nce an d othe r techni cal re sour ces. Thes e secti ons explain how to obtain
technical information from Cisco Systems.
Cisco.com
You can access the most c ur rent Cisc o doc um ent ation on the World Wide Web at this URL:
http://www.cisco.com/univercd/home/home.htm
You can access the Cisco website at this URL:
http://www.cisco.com
International Cisco websites can be accessed from this URL:
http://www.cisco.com/public/countries_languages.shtml
Ordering Documentation
You can find instructions for orde ring do cu me nta tion a t t his U RL:
http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm
You can order Cisco documentation in these ways:
• Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from
the Ordering tool:
http://www.cisco.com/en/US/partner/ordering/index.shtml
• Nonregistered Cisco.co m u ser s can o rd er docum en tati on th rou gh a l oc al ac count r epre sen tative by
calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in
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Documentation Feedback
You can submit e-mail com me nts a bo ut t ech ni cal doc um enta ti on t o bug-do c@ cisc o. com.
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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Preface
Obtaining Technical Assistance
You can submit comments by using the respon se card (if p resent ) behind the front cover of your
document or by wri ting t o the fo llowing a ddress:
Cisco Systems
Attn: Customer Docume nt Ordering
170 West Tasman Drive
San Jose, CA 95134- 988 3
We appreciate yo ur comm ents .
Obtaining Technical Assistance
For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, the Ci sco
Technical Assistance C en ter (TAC) provides 24-hour-a-day, award-winning technical su pport servi ces,
online and over the phone. Cisco.com fe atures t he Cisco TAC website as an online star ting point for
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Cisco TAC Website
The Cisco TA C website provides online documents and tools for troubleshooting and resolving technical
issues with Cisco produ cts an d te c hnolo gies . T he C i sco TAC website is available 24 hours a day, 365
days a year. The Cisco TAC website is located at this URL:
http://www.cisco.com/tac
Accessing all the to ols o n th e Cisc o TAC website requires a Cisco.com use r ID and pa ssword. If y ou
have a valid service contract but do not have a login ID or password, register at this URL:
http://tools.cisco.com/RPF/register/register.do
Opening a TAC Case
Using the online TAC Case Open Tool is the fastest way to open P3 and P4 cases. (P3 and P4 cases are
those in which your network is minimally impaired or for which you require product information.) After
you describe your situa ti on, t he TAC Case Open Tool automaticall y re co mm ends reso urc es f or an
immediate solution. If your issue is not resolved using the recommended resources, your case will be
assigned to a Cisco TAC engineer. The online TAC Case Open Tool is located at this URL:
http://www.cisco.com/tac/caseopen
For P1 or P2 cases (P1 and P2 ca ses a re th ose in whi ch yo ur produ ct ion net work is down or severely
degraded) or if you do not have Internet ac c ess, co nt act Ci sco TAC by telephone. Cisco TAC engineers
are assigned immediatel y to P1 and P2 cases to hel p keep your business operat ions runni ng smoothly.
To open a case by te leph one, use o ne of the following numbe rs:
Asia-Pacific: +61 2 8446 7411 (Australia : 1 800 805 227)
EMEA: +32 2 704 55 55
USA: 1 800 553-2447
For a complete listing of Cisco TAC contacts, go to this URL:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
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Preface
Obtaining Additional Publications and Information
TAC Case Priority Definitions
T o en sure that all cases are reported in a standa rd format , Cisco has established case priority definitions.
Priority 1 (P1)—Your network is “down” or there is a critical impact to your business operations. You
and Cisco will commit all necessary resources around the clock to resolve the situation.
Priority 2 (P2)—Operat ion of an existin g network is severely degraded , or significant aspects of your
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco
will commit full-time resources during normal business hours to resolve the situation.
Priority 3 (P3)—Ope ra tiona l pe rf orma nce of yo ur net work is im pair ed, but m ost business opera ti ons
remain functional. You and Cisco will commit resources during normal business hours to restore service
to satisfactory levels.
Priority 4 (P4)—You require information or assistance with Cisco product capabilities, installation, or
configuration. There is littl e or no effect on you r business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online
and printed sources.
• Cisco Marketplace provides a variety of Cisco b ook s, refe renc e guid es, a nd logo m erch and ise . Go
to this URL to visit the company store:
http://www.cisco.com/go/marketplace/
• The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as
ordering and custome r support ser vices. Ac cess the Cisc o Product Ca talog at this URL:
http://cisco.com/univercd/cc/td/doc/pcat/
• Cisco Press publishes a wide range of general networking , training and certif ication titles. Both ne w
and experienced users will benefit from these publications. For current Cisco Press titles and other
information, go to Cisco Press online at this URL:
http://www.ciscopress.com
• Packet magazine is the Cisco quart erly pub licatio n that provides the latest networki ng trend s,
technology breakthrough s, and Cisco products an d solutions t o help ind ustry professi onals ge t the
most from their networking investment. Included are networking depl oyment an d troublesho oting
tips, configuration e xamples, customer case studies, tutorials and train ing, certificatio n information,
and links to numerous in-de pth onli ne resour ces. You can access Packet magazine at this URL:
http://www.cisco.com/packet
• iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet
business strategies for executives. You can access i Q Magazi ne at this URL:
http://www.cisco.com/go/iqmagazine
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Preface
Obtaining Additional Publications and Information
• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engin eering
professionals involved in designing, developing, and ope ratin g p ubli c a nd pr ivate internets a nd
intranets. You can access the Internet Protocol Journal at this URL:
http://www.cisco.com/ipj
• Training—Cisco offers world-class networking t raining. Curren t offerings in network tra ining are
listed at this URL:
http://www.cisco.com/en/US/learning/index.html
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Preface
Obtaining Additional Publications and Information
CHAPTER
1-1
Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
1
Overview of the VISM and VISM-PR Cards
This chapter provides a gene ral intr oduction t o VISM and VI SM-PR an d describ es the hardwar e and
software modules, and instal lation pr ocedure s. The fo llowing topics ar e descri bed:
• “VISM and VISM-PR Car d Types” section on page 1-1
• “VISM and VISM-PR Car d Physical Char acteri stics” sect ion on page 1-5
• “VISM and VISM-PR Car d Feature s” sectio n on page 1-6
• “Installing VISM Hardware and Software” section on page 1-13
• “Software Upgrades” sect ion on page 1-20
Note The term VISM is used to refer to the product software—either for the VISM card or for the
VISM-PR card. The t erms VI SM and VIS M-PR ar e used whe n discus sing hardwa re onl y.
The VISM card, in co mbinat ion wi th a Cisco M GX 8000 Series platf orm, en ables tel ephone c alls on
conventional time-division multiplexed (TDM) voice circuits to be transported over an Asynchronous
Transfer Mode (ATM) packet-swi tc hed and VoIP networks. The VISM card is a s ingl e he ight card
designed to operate in t he f ollowing pl atfor ms:
• Cisco MGX 8850 Rel ease 1, wi de a rea sw itch
• Cisco MGX 8250, e dg e co nc entr ato r
• Cisco MGX 8230, e dg e co nc entr ato r
Note VISM is not support ed o n the Cisc o MG X 8 260 swi tch.
VISM and VISM-PR Card Types
VISM and VISM-PR c ards ar e inst alle d in Cisc o MGX 8 000 Se ries swit ches as front card s and the ir
associated b ack card s— card sets. Th ere ar e two type s of VI SM front card s (see Figure 1-1):
• AX-VISM-8T1—Support s u p to eig ht T 1 lines car rying d igitiz ed voice
• AX-VISM-8E1—Support s u p to eig ht E 1 lines car rying d igitiz ed voice
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Cisco VISM Installation and Configuration Guide
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Types
Note Using the Servi ce Resour ce Modul e ( SRM) a nd the 1 :N redun da ncy feat ures , ot h er phy sica l
configurations are supported. Refer to the “VISM and VISM-PR Ca rd Feat ures ” se ctio n on page 1-6
for more detail s.
Figure 1-1 VISM T1 and E1 Front Cards
ACT
STBY
FAIL
PORT 1
PORT 2
PORT 3
PORT 4
PORT 5
PORT 6
PORT 7
PORT 8
VISM
8T1
T1 front card
ACT
STBY
FAIL
PORT 1
PORT 2
PORT 3
PORT 4
PORT 5
PORT 6
PORT 7
PORT 8
8E1
VISM
E1 front card
18738
CLEI code label
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Types
There are two types of VISM-PR front cards (see Figure 1-2):
• MGX-VISM-PR-8T1— Supports up to eight T1 lines carrying di gitized voice
• MGX-VISM-PR-8E1— Supports up to eight E1 lines carrying di gitized voice
Figure 1-2 VISM-PR T1 and E1 Front Cards
The VISM and VISM-PR front cards have the same associated back cards. There are two types of
VISM/VISM-PR T1 back cards (see Figure 1-3):
• AX-RJ48-8T1—Support s e ight T1 li nes us in g R J-48 con ne ctors ; use wit h a T 1 f ron t car d.
• AX-R-RJ48-8T1—Suppor ts eig ht T 1 lin es; use wit h a re dundan t T1 f ro nt c ard.
There are four types of V ISM/VIS M-PR E1 back cards (see Figure 1-3):
• AX-RJ48-8E1—Suppor ts e ight E1 li nes us ing R J-48 c onn ector s; use with an E 1 front ca rd.
• AX-R-RJ48-8E1—Suppor ts eig ht E 1 lin es; use wit h a re dundan t E1 f ro nt c ard.
• AX-SMB-8E1—Suppor ts ei ght E1 line s us ing SM B conne ct ors; use wit h an E1 f ront car d.
• AX-R-SMB-8E1—Supp orts eig ht E 1 lines; use wit h a r e dundan t E1 f ro nt c ard.
VISM
PR-8T1
ACT
STBY
FAIL
PORT 1
PORT 2
PORT 3
PORT 4
PORT 5
PORT 6
PORT 7
PORT 8
VISM
PR-8T1
ACT
STBY
FAIL
PORT 1
PORT 2
PORT 3
PORT 4
PORT 5
PORT 6
PORT 7
PORT 8
T1 E1
C
ard
E
xtractor
H
andle
Card Extractor
Release Slot
CLEI
Code Lab
el
S
tatus
L
EDs
72673
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Types
Figure 1-3 VISM T1 and E1 Back Cards
The VISM or VISM-PR card and MGX 8000 Series switch combination provides an interface, or voice
gateway, between conventional TDM networks and packet -switc hed networks (se e Figure 1-4).
Figure 1-4 Cisco MGX 8850 and VISM as a Voice Gateway
Connection to the packet network is pe rformed by Cisco MG X 8000 Series sw itch Processor Module
cards—PXM1, PXM1E, and PXM45—whi ch communica te with a VISM card through the switch’s
midplane cellbus. Refer to the documents listed in Table 5 of the “Related Documentation” section on
page xiv for more informat ion on the MGX 8000 Series sw itch midp lane cel lbus.
RJ48-8T1
1
2
3
4
5
6
7
8
R-RJ48-8T1
R
E
D
U
N
D
A
N
T
R-RJ48-8E1
R
E
D
U
N
D
A
N
T
R-SMB-8E1
R
E
D
U
N
D
A
N
T
RJ48-8E1
1
2
3
4
5
6
7
8
SMB-8E1
RX1
TX1
RX2
TX2
RX3
TX3
RX4
TX4
RX5
TX5
RX6
TX6
RX7
TX7
RX8
TX8
T1-RJ48 E1-RJ48 E1-SMB
Redundant
T1-RJ48
Redundant
E1-RJ48
Redundant
E1-SMB
71218
V
T1/E1
PBX or
Central Office
MGX 8850
with
VISM
Packet Network
(IP/ATM)
Voice/TDM Networks
Packet Networks
3
1427
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Physical Characteristics
VISM and VISM-PR Card Service Types
VISM cards are configured with the following service types:
• Constant bit rate (CBR)
Note CBR is not supported with a combination of a PXM1 with either an RPM or external
router.
• Variabl e bit ra te real tim e, VBR (RT)
• VBR non-real time (NRT)
VISM-PR card con nec tions w ith the R PM -PR ca rd re qu ire s th e V BR (NRT) 3 servic e t ype o n t h e
PXM1E and PXM45 platforms.
If you are using a VISM-PR card in com binatio n with a PXM1 E, PXM45, or RPM-PR card , you must
use the VBR (NRT) 3 selection when adding a connection.
The following connection ser vice t ypes can be c onfigured wit h VISM 3.0 and higher:
• VBR (RT) 2
• VBR (RT) 3
• VBR (NRT) 2
VISM and VISM-PR Card Physical Characteristics
VISM cards are equipped with the following:
• Eight T1 or E1 po rt s
• Digital signal processors (DSPs)
• High-level data link control (HDLC) framer
• Broadband interface to the packet network
VISM Card Architecture
VISM card architecture provides the following:
• Flexibility that allows the incorporation of new or improved technology as it becomes available.
• Application flexibility that allows VISM to be used in a range of situations that provide
interoperability with a wide variety of equipment types.
• Modularity that allows equipment to be purchased and installed as it is needed for scalability.
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Features
Figure 1-5 sh ows a simplified diagram of the VISM architecture and its major components.
Figure 1-5 VISM Card Block Diagram
The card is broadly divided into a TDM side and an ATM side. The T1/E1 framers, the array of DSPs,
and the HDLC processor support the TDM side. The ATM adaptation layer (AAL) and the segmentation
and reassembly (SAR) sec tions sup port the ATM side.
VISM is under the con trol of two i ndep en dent proc es sors. T he mai n pr oc ess or pe rfo rm s the c on trol
tasks—configuration, ca ll setup a nd tea rdown, and m anag emen t. The secon d pro cessor, the datamover,
handles the movin g and p roc essin g of t he voice and voic eb an d dat a t r affic through the syst em.
The VISM card i tsel f co ntain s no por ts fo r the con ne ction of ma nage ment sta tio ns. Workstations, PCs,
or terminals used t o ma nage VI SM mu st be att ached vi a t he PX M c ard whi ch pr ovides both se rial
EIA/TIA-232 and Ethe rnet por ts.
VISM and VISM-PR Card Features
VISM cards process high -densit y digit al voice c irc uits a nd provide d yna mic com pressi on, ec ho
cancellation, dejittering, silence suppression, and packetization. The VISM card uses the following
features which you c an c onfigu re:
• Eight standard T1 or E1 interfaces with the following line coding:
–
Bipolar 8-zero sub st itu tion ( B8Z S)—f or T1
–
Alternate mar k inversion (A MI)— f or T1
–
High density bipolar 3 (HDB3)—for E1
8 T1/E1 lines
from PBX or
C
entral Office
Digital
Signal
Processors
SAR
Cellbus
PXM
OC-3 to ATM
Packet Netwo
rk
Framers
Main CPU
(Control)
Secondary CPU
(Datamover)
VISM
HDLC
Processor
3
1429
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Features
• Voice over ATM (VoATM) using AAL2 cells—No Logical Link Control/Subnetwork Access
Protocol (LLC/SNAP) encapsulation.
Note Multiplexing is not suppo rte d f or A AL2 SVCs.
• VoIP using AA L5 c ells to R F C 1889 .
• Extended Superframe (ESF) fram ing with or without cyclic redunda ncy check (CRC).
• Pulse code modulation (PCM) A/Mu law codecs.
• Programmable 24, 3 2, 48, 6 4, 80 , 96, 1 12, 1 28 ms tai l d ela y n ear end EC AN.
• Voice compression with the follow ing standards:
–
G.711
–
G.726-16k
–
G.726-24k
–
G.726-32k
–
G.726-40k
–
G.729a
–
G.729ab
–
G.723.1-H
–
G.723.1a-H
–
G.723.1-L
–
G.723.1a-L
Note The G.723.1 codecs are not supported in combination with the VISM card. The G.723.1
codecs are supported with the VISM-PR card.
• Nx64 clear channel (N = 1 only) suppor t.
• Voice activity detection (VAD) and comfort noise generation (CNG) using variable threshold energy
(Cisco proprietar y).
• Call agent Simple Gateway Control Protocol (SGC P) Version 1.0, 1.1, 1.5, SGCP 1.1+, 1.5, and
Media Gateway Control Protocol ( M GCP) 0 .1 and 1.0.
• Backhauling channel associated signaling (CAS) signaling to a call agent using xGCP (backhauling
can be accomplished with any supported SGCP and MGCP protoc ol).
• Backhauling Primar y Rat e Int erfac e (PRI ) sign al ing via R eli abl e Us er D at agra m Prot oco l (RUDP)
to a call agent.
• Common channel signaling (CCS) transport across an AAL5 trunk.
• Fax and modem VoIP bearer transmissi ons.
• Dual (redundant) virtual c ircuits a cross the pa cket network .
• Full continuity testing (CO T ). Supports origination and terminat ing loop back and tra nsponder CO T
between VISM and the central office on the TDM side.
• Loop timing, whi ch ca n be u sed a s th e ma ster cl ock fo r t he e nt ire MG X 80 00 Ser ies pla tfor m an d
local clock.
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Chapter 1 Overview of the VISM and VISM-PR Cards
VISM and VISM-PR Card Features
• Line loopback (DS1) toward t he T DM l ines .
• Channel loopback (D S0) t oward both t he T D M l ine s and t he ATM network.
• Transmission and reception of bit error ra te tester (BERT) signals over loopbacked lines.
• Redundant alarm indi cati on si gnal (R AI) and a larm i n dica tion signa l ( AIS ) alarm s.
• Extracting a DS0 CCS channel and directing it to the TDM signaling function.
• 1:N cold redundancy using subrate multiplexing (SRM)-3T3 (bulk mode support for T1 lines only)
and SRM-E (for OC3) capabilities. Calls do not persist during switchover.
• Graceful shutdown of ongoing voice calls when the V ISM is taken out of service for ma intenan ce
or other reasons. Forced shutdown is also suppo rted.
Caution A forced shutdown of the VISM or V ISM-PR car d m ay r esul t i n dro ppe d ca ll s.
Redundancy and Bulk Distribution
Redundancy for VISM c ards with or wi thout bulk d istr ibution ca n b e pr ovided t hrou gh the Servi ce
Redundancy Module (SRM) and SRM -E. Redund ancy for VISM i s also provided by Media Gat eway
Controller (MGC) redundancy groups. VISM redundancy is cold redundancy in which ongoing calls do
not persist during switchover.
Note SRM-E is supported with PXM1 and PXM1 E card s only.
Redundancy with bulk dist ribution re quires a spare VISM card to be installed . The system uses the three
T3 ports of the SRM back card instead of the normal T1 lines on the VISM back cards. VISM cards in
bulk distribution mode do not require back cards.
The TDM voice data tr ansmitted or rec eiv ed o ver th e T3 ports are di strib uted to the VISM ca rd as if they
had been received over VISM T1 back card ports in the normal manner. This feature reduces the number
of physical lines required to support VISM, but requires external equipment to multiplex and
demultiplex the T1 data onto the T3 lines.
With or with out bu lk distrib ution, r edundancy al lo ws for the spar e VISM card to automatical ly take o ver
the functions of a failed VISM card . When the failed card is repa ired, switching back to the repa ired card
is not automatic. You must manually change the repai red car d back to the acti v e state with t he com mand
line interface. See Ch apte r 4, “Configuring VISM Feature s. ”
Note 1:1 redundancy using Y-cables is not supported by VISM.
Redundancy can also b e configured a t t he ATM permanent virtual c irc uit s ( PVC s) l evel. Two separate
PVCs can be set up, each using a di fferent PXM physic al port and e ach rout ed to a separ ate route r.
Configure one PVC as active and the o ther as standby. Both PVCs are monitored by heartbeat OAM F5
loopback cells every 200 ms. If three consecutive OAM cells are lost, the PVC fails, and only the
remaining PVC is active. A PVC will recover automatically when five consecutive OAM cells are
received while the PVC remains in standby mode (no automatic fallback to active state is provided).
Control and bearer PVCs can be set up with a redundant PVC.
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