Cisco Systems ASR 1000 manual Deployment of the Integrated Session Border Controller

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Chapter 1 Integrated Session Border Controller for the Cisco ASR 1000 Series Routers Overview

Deployment of the Integrated Session Border Controller

 

 

 

Chapter Where

Release

Feature Name

Related SBC Commands

Documented

 

 

 

 

Cisco IOS

transaction-pending command

transaction-pending

Cisco IOS Integrated

XE Release

 

 

Session Border

2.0.1

 

 

Controller Command

 

 

 

Reference

 

 

 

 

Cisco IOS

Two-RateThree-Color Policing

control-dscp

Chapter 5, “Quality of

XE Release

and Marking

marker-dscp

Service and Bandwidth

2.0

 

pdr-coefficient

Management”

 

 

show sbc dbe

 

 

 

forwarder-stats

 

 

 

 

 

Deployment of the Integrated Session Border Controller

Deployment of the DBE function on the Cisco ASR 1000 Series Routers integrates a subset of the Integrated Session Border Controller feature set with Cisco IOS XE software. A likely deployment scenario is that typical routing and broadband features are configured on the Cisco ASR 1000 Series Routers serving as the DBE operating with an external SBE. The Integrated Session Border Controller functionality on the Cisco ASR 1000 Series Routers will eventually comprise both DBE and SBE functions, with DBE being the first to be deployed.

DBE deployment of the SBC feature set is an optional feature supported on the Cisco ASR 1000 Series Routers. DBE deployment on the Cisco ASR 1000 Series Routers does not include SBE support and no SBE-related CLIs are implemented.

In the deployed distributed model, the SBE and the DBE entities reside on different network elements and the DBE is controlled by one SBE at any one time. The SBE interacts with the DBE using the H.248 Megaco (media gateway controller) protocol. The SBE controls the DBE via the H.248 interface. In this model, the bearer (or media flow) always flows through the DBE, and the SBE participates only in the signaling flow.

The DBE is responsible for the media flows and consists of a set of data path functions. The DBE responds to the requests made by the SBE to open pinholes, taking into account the specified NAT/firewall traversal and QoS requirements.

For the DBE, a new interface type is defined for the SBC virtual interface. You configure a virtual interface as part of the SBC configuration and the virtual interface has media IPs as primary or secondary IP addresses. The SBC virtual interface does not support any existing Cisco IOS features.

The Cisco IOS XE image containing SBC software leverages existing Cisco IOS install and packaging facilities for software release, delivery, and installation.

Cisco IOS commands have been introduced to configure the DBE. For information on commands, see the Cisco IOS Integrated Session Border Controller Command Reference.

Integrated Session Border Controller DBE Deployment Scenario

One potential deployment scenario for Integrated Session Border Controller on the Cisco ASR 1000 Series Routers is in a network architecture where the service provider (SP) provides voice, data, and video services to their residential broadband customers over a single link.

Cisco IOS XE Integrated Session Border Controller Configuration Guide for the Cisco ASR 1000 Series Aggregation Services Routers

1-8

OL-15421-01

 

 

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Contents Americas Headquarters Page N T E N T S IiiQoS Bandwidth Allocation Traffic Management Package Support Local Source Properties Address and Port IPv6 Support ViiEvents Storage Until Event Acknowledgment Objectives PrefaceDocument Revision History OL-15421-01 May 5 This document was first publishedIntended Audience OrganizationCisco ASR 1000 Series Router Documentation Related DocumentationDocument Conventions Cisco IOS Release 12.2SR Software PublicationsXii Obtaining Documentation and Submitting a Service Request XiiiXiv Cisco ASR 1000 Series Routers Overview ContentsGeneral Overview Distributed and Unified Models Example of SBC High Level ArchitectureOn page 1-3illustrates the unified model Supported Integrated Session Border Controller Features Release Feature Name Related SBC Commands Documented Package segment None Cisco IOS Logging Level in ConfiguringCisco IOS XE ReleaseMedia-address ipv4 Transaction-pending command Deployment of the Integrated Session Border ControllerIntegrated SBC Used for VoIP Interworking Integrated Session Border Controller DBE Deployment Scenario Prerequisites for Integrated Session Border Controller Configuring Integrated Session Border ControllerRestrictions for Integrated Session Border Controller Prerequisites Summary StepsEnters global configuration mode Enables privileged Exec modeEnter your password if prompted Enters into interface configuration modeConfigures the H.248 controller for the DBE and enters into Configures the DBE to use a specific IPv4 H.248 controlOwn address when connecting to the SBE Controller H.248 configuration modeWhat To Do Next Troubleshooting TipsExamples Configuring H.248 Logging Level Sets a specified logging level to generate detailed logs Creates the DBE service on the SBC and enters intoSBC-DBE configuration mode Messages sent and received. Turns on consoleEnabling H.248 Logging Requests and Responses This section provides the following configuration examples Configuration ExamplesExample H.248 Log Output SBC DBE Configuration Steps Example Making Global Changes to Controllers Example Following example shows the initial SBC configuration == Make change to local portMaking Changes to Individual Controller Settings Example Control-address h248 ipv4 172.25.2.26 controller h248Cisco H.248 Profile Topology Priority Indicator Yes Emergency IndicatorIeps Indicator Yes Overview of ProfileProfile Packages Package ID VersionPackage ID Version Support Dependent On Dtmf Interworking Information About Dtmf InterworkingRTP to SIP Interworking Configuring Default Duration of a Dtmf EventSIP to RTP Interworking Name of the DBE service Enters the mode of a DBE service and enters into SBC-DBEConfiguration mode. Use the sbc-name argument to specify Configures the default duration of a Dtmf eventPage Media Address Pools Restrictions for Configuring Media Address PoolsPrerequisites for Implementing Media Address Pools Configuring Media Address Pools Information About Media Address PoolsConfiguration mode Is configuredEnters into SBC-DBE configuration mode Creates a port range for the configured mediaConfiguring Media Address Pools Example Quality of Service and Bandwidth Management Traffic Management Package SupportPage Dscp Re-Markings Dscp Marking and IP Precedence MarkingParameters on AC and per SDP on QoS Bandwidth Allocation Rtcp Policing Using Tman PackageRtcp Policing Not Using Tman Package Rtcp PolicingEnabling Two-Rate Three-Color Policing and Marking Two-Rate Three-Color Policing and MarkingImplementing Two-Rate Three-Color Policing and Marking DBE Restrictions Related Commands Page Packages-Signaling and Control Enabling Optional H.248 PackagesAddress Reporting Package Segmentation Package SupportSession Failure Reaction Package Tsc-quiesce Feature Termination State Control PackageTsc-suspend Feature 248.1v3 Support Vlan Package Syntax-Level SupportMGC-Controlled Gateway-Wide Properties Page Services-Signaling and Control DBE Signaling Pinhole Support Extension to H.248 Audit Support Extension to H.248 Termination Wildcarding SupportFlexible Address Prefix Provisioning Twice Napt Pinhole Hairpinning Local Source Properties Address and PortLocally Hairpinned Sessions No Napt Pinhole HairpinningMGC-Specified Local Addresses or Ports Nine-Tier Termination Name Hierarchy Multi-Stream TerminationsRestrictions for Nine-Tier Termination Name Hierarchy Information About Nine-Tier Termination Name Hierarchy Displaying the Nine-Tier Termination Name HierarchyDisplaying the Nine-Tier Termination Name Hierarchy Example Abc/voice/gn/0/1/0/1/ac/3Optional Local and Remote Descriptors Remote Source Address Mask Filtering ServiceChange Notification for Interface Status ChangeRTP Specific Behavior Support Sbc interface-id value End Configuration Example Output Tmax-timercommand configures the value of the T-MAX timer MAX TimerTsc-Delay Timer Video on Demand VOD SupportServices-Signaling and Control Video on Demand VOD Support Services-Signaling and Control Video on Demand VOD Support Integrated Session Border Controller Security Firewall Media Pinhole Control Interim Authentication Header Support Latch and Relatch SupportLocal Source Properties Address and Port Napt and NAT Traversal Etsi TS 102 333 version 1.1.2 Gate Management PackageTopology Hiding Traffic Management PolicingTopology Hiding IPv4 Twice Napt IPv6 Inter-Subscriber BlockingQoS Policy-Map-Based Inter-Subscriber Blocking Method Router# show run interface gigabitEthernet 0/1.1101Router# show class-map IPv6intersubscriber IPv6 Support ACL-Based Inter-Subscriber Blocking MethodIPv6 Pinholes IPv6 No Napt Support for Media FlowsIPv6 Single Napt for Signaling Send RecvSingle Napt Signaling Flow No Napt Pinholes Topology Hiding No Napt Pinholes Integrated Session Border Controller High Availability High Availability Support10-1 Route Processor Redundancy RPR Hardware RedundancySoftware Redundancy 10-2Issu Support SSO Support10-3 10-4 High Availability Support Issu SupportQuality Monitoring and Statistics Gathering 11-1DBE Status Notification Congestion-threshold CommandBilling and Call Detail Records Enhanced Event Notification and AuditingRetention and Returning of H.248 Event Information 11-3Silent Gate Deletion Association ResetResetting the Media Timeout Timers 11-4Network Package Quality Alert Event Middlebox Pinhole Timer Expired Event11-5 Related Command Provisioned Inactivity Timer11-6 IN-1 IN-2 IN-3 RTP specific behavior support SBE Pinhole Pinhole timeoutPolicing Asymmetric policing Ipv6 packets IN-4IN-5 IN-6
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