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Table of Contents

About This Guide
Objectives
Audience
Supported Routing Platforms
Using the Indexes
Documentation Conventions
List of Technical Publications
Documentation Feedback
Requesting Technical Support
IPTV Network Solutions
IPTV Video Application
System Requirements
Terms and Acronyms
Overview and Topology
Video Network Elements
IGMP and Video Networks
IGMP Basics
IGMP and Intermediate Devices
IGMP Snooping
IGMP Proxy
DHCP Relay and Video Services Routers
Video Networking and the Metro or Core Network
What IP Routing Protocols to Use
Using MPLS and Label-Switched Paths
Redundancy and Failure Detection for Video Services Routers
Sample Configuration of an IPTV Network
Configuring the Access Side of a Video Services Router Running JUNOS Software
Configuring the Metro and Core Side of a Video Services Router Running JUNOS Software
Configuring Router Redundancy
Verifying Your Configuration
Verifying Connectivity
Using Operational Commands
Unidirectional Links
Overview of Unidirectional Links
Configurable Options
Logical Interfaces
Alarm Reporting
Operational State
Statistics
System Requirements
Configuring and Verifying Unidirectional Links
Configuring and Verifying a Simple Example
Configuring and Verifying a More Complex Example
Voice Solution
Overview of the Voice Solution
The Voice Solution in a Next-Generation Network Overview
Voice Solution Terms and Abbreviations
Voice Solution Architecture
Packet Gateway Controller
Packet Gateway
PGCP
Voice Solution Topology with Multiple VPGs and PGCs Overview
Sample Voice Network Topology
Control of Voice Flows with Gates Overview
Gate Addressing
Opening, Closing, and Modifying Gates Overview
Gate Identification
Forward and Drop Operations for RTP and RTCP Gates
Latch Deadlock and Media Inactivity Detection and Reporting
H.248 Building Blocks Overview
Terminations
Contexts
Streams
Virtual Interfaces with the Packet Gateway Overview
Twice NAT for VoIP Traffic Overview
NAT Pool Selection
NAT Pool Selection by Matching the Transport Protocol
IPv4-to-IPv6 Address Translation
Quality of Service for VoIP Traffic Overview
Rate-Limiting for VoIP Traffic Overview
How the Rate-Limiting Feature Works
Default Values for Rate-Limiting Parameters
Rate Limiting and Fast Update Filters
Rate-Limiting Statistics Display
Security for PGCP Overview
Interim AH Scheme
Symmetric Control Association
Priority and Emergency Call Handling
VoIP Call Setup Overview
VPN Aggregation for VoIP Calls Overview
How VPN Aggregation Works
Session Mirroring Overview
Activation of Session Mirroring for a Gate
How Session Mirroring Works
Security for Packets Sent to the Delivery Function
Configuring the Voice Solution
Configuring a Virtual Packet Gateway
Adding a PGC to the VPG Configuration
Configuring NAT Pools for the Packet Gateway
Configuring a Remotely Controlled NAT Pool
Configuring a NAT Pool Selected Based on Transport Protocol
Assigning a NAT Pool
Configuring Virtual Interfaces
Configuring Packet Gateway Rules
Configuring a Packet Gateway Rule Set
Configuring a Stateful Firewall for the Packet Gateway
Configuring a Service Set
Configuring Rate-Limiting for Voice Calls
Configuring QoS for Voice Calls
Configuring the Physical Interface to Advertise the VPG Address
Configuring the Service Interface
Configuring VPN Aggregation
Configuring Latch Deadlock and Media Inactivity Detection
Configuring H.248 Timers
Configuring Default Values for H.248 Base Root Properties
Configuring Default Values for H.248 Segmentation Properties
Enabling Wildcards for Service Change Notifications
Configuring Session Mirroring
Disabling Session Mirroring
Re-Enabling Session Mirroring
Configuring IPSec for Mirrored Sessions
Verifying Your Configuration
Verifying the PGCP Configuration
Verifying the Service Interface Configuration
Verifying the Physical Interface Configuration
Verifying the Service Set Configuration
Verifying the NAT Pool Configuration
Verifying the Stateful Firewall Configuration
Monitoring the Voice Solution
Monitoring RTP and RTCP Traffic
Enabling Monitoring of RTP and RTCP Traffic
Monitoring Gates
Displaying Information About All Gates on a VPG
Displaying Extensive Information About All Gates on a VPG
Displaying the Number of Gates Installed on a VPG
Displaying Information About a Specific Gate
Displaying Extensive Information About a Specific Gate
Displaying Statistics for Gates
Collecting Statistics on Gates with Rate-Limited Flows
Improving Performance While Collecting Gate Statistics
Displaying the Number of FUF Terms Installed on a VPG
Displaying Gates That Are Being Mirrored
Monitoring PGCP Terminations
Displaying Information About All PGCP Terminations on a VPG
Displaying Information About PGCP Terminations in H.248 Format
Displaying Information About Specific PGCP Terminations
Monitoring PGCP Root Terminations
Monitoring Statistics for PGCP
Command Requests
Command Responses
Monitoring PGCP Flows
Displaying All PGCP Flows
Displaying Extensive Information About All PGCP Flows
Displaying Extensive Information About PGCP Flows for a Specific Gate
Monitoring PGCP Conversations
Displaying All PGCP Conversations
Displaying Extensive Information About All PGCP Conversations
Managing the Packet Gateway
Managing the PGCP Process
Restarting the PGCP Process
Disabling and Enabling the PGCP Process
Disabling the PGCP Process
Enabling the PGCP Process
Activating and Deactivating PGCP Services
Deactivating the PGCP Service
Activating the PGCP Service
Shutting Down a VPG
Forcing the Shutdown of a VPG
Performing a Graceful Shutdown of a VPG
Making the VPG Operational Again
Shutting Down a Virtual Interface
Forcing the Shutdown of a Virtual Interface
Performing a Graceful Shutdown of a Virtual Interface
Making the Virtual Interface Operational Again
Maintaining Synchronization Between the PG and the PGC
Detecting Hanging Terminations
Activating and Configuring Hanging Termination Detection
Deactivating Hanging Termination Detection
Displaying the Value of the Timerx Timer Configured on the VPG
Displaying the Value of the Hanging Termination Timer for a Termination
Detecting PGC Failures
Configuring the Inactivity Timer Package
Maintaining Synchronization by Auditing Terminations
Using AND/OR Logic with Audit Commands
Example: Audit Section Filter with AND Logic
Example: Audit Section Filter with OR Logic
Managing Overload Control for New Call Setup
Configuring Overload Control for Voice Calls
Preventing Excessive Media Inactivity Notifications
Configuring H.248 Notification Behavior to Prevent Excessive Media Inactivity Notifications
Managing the Rate for All Notifications Sent by a PIC
Limiting The Rate for All Notifications from a PIC
Controlling ServiceChange Commands Sent from the VPG to the PGC
Control Association States
Method and Reason Options for Control Association State Changes
Configuring the Method and Reason in ServiceChange Commands for Control Associations
Virtual Interface States
Method and Reason Options for Virtual Interface State Changes
Configuring the Method and Reason in ServiceChange Commands for Virtual Interfaces
Context States
Configuring the Method and Reason in ServiceChange Commands for Contexts
Maintenance and Failover in the Packet Gateway
Maintenance and Failover in the Packet Gateway Overview
Failover in Case of a Routing Engine Failure
Gate Synchronization Procedure
Configuring Synchronization Properties
Displaying the Status of the Routing Engine Synchronization
Failover of the Service PICs
Procedure in Case of Service PIC Failure
Configuring the Packet Gateway for PIC Redundancy
Configuring the Redundancy Services PIC (rsp) Interface
Configuring the Service Set for Redundant Service PICS
Manually Switching from the Primary PIC to the Secondary PIC
Manually Reverting from the Secondary PIC to the Primary PIC
Displaying the Status of the Redundant Service PICs
Troubleshooting the Voice Solution
Tracing PGCP Operations
Logging H.248 Messages
Fields in the H.248 Messages
Messages That Exceed Output Buffer Limit
Configuring Logging of H.248 Messages
Example: Providing Voice Solutions in a Next-Generation Network
Requirements
Overview and Topology
Configuration
Configuring Physical Interfaces
Configuring the Service Interfaces
Configuring the Virtual Packet Gateways
Configuring NAT Pools for the Packet Gateway
Assigning the NAT Pools to a Media Service
Configuring the Virtual Interfaces
Configuring Packet Gateway Rules
Configuring a Stateful Firewall
Configuring a Service Set
Configuring QoS for Voice Calls
Verification
Verifying the Active PGCP Configuration
Verifying That Gates Are Running
Verifying PGCP Terminations
Verifying PGCP Flows
Verifying H.248 Parameters Set by the PGC
Troubleshooting
No Audio is Reported on a Stream
Index
Index
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