JUNOS 9.3 Multiplay Solutions Guide DVD Home Techpubs Home Report an Error Collapse TOC List of Figures List of Tables Index Entire manual as PDF		About This Guide Objectives Audience Supported Routing Platforms Using the Indexes Documentation Conventions List of Technical Publications Documentation Feedback Requesting Technical Support 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 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