Cisco ASR 5000 Product Overview

Version 14.0

Last Updated May 31, 2013

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Text Part Number: OL-27222-06

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Cisco ASR 5000 Product Overview

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Cisco ASR 5000 Product Overview OL-27222-05 iii

CONTENTS

About this Guide .......................................................................................... xxxiii Conventions Used .............................................................................................................................. xxxiv Contacting Customer Support ............................................................................................................. xxxv Additional Information ......................................................................................................................... xxxvi

The Cisco ASR 5000 Platform ....................................................................... 37 Characteristics of the System ................................................................................................................. 38 Features and Benefits ............................................................................................................................ 40

Product, Service and Feature Licenses ......................................................... 45 Supported Product/License Quick Reference ........................................................................................ 46 Session Use and Feature Use Licenses ................................................................................................ 51

Session Use Licenses ........................................................................................................................ 51 Feature Use Licenses ........................................................................................................................ 52

Default Licenses ..................................................................................................................................... 54

ASR 5000 Hardware Platform Overview ......................................................... 57 The ASR 5000 Platform .......................................................................................................................... 58 Chassis Configurations ........................................................................................................................... 59 Chassis Description ................................................................................................................................ 63

Slot Numbering ................................................................................................................................... 63 Rear Slot Numbering for Half-Height Line Cards .......................................................................... 64 Rear Slot Numbering with Full-height Line Cards ......................................................................... 64

Mounting Options ............................................................................................................................... 64 Midplane Architecture......................................................................................................................... 65

320 Gbps Switch Fabric ................................................................................................................. 66 32 Gbps Control Bus ...................................................................................................................... 66 System Management Bus .............................................................................................................. 66 280 Gbps Redundancy Bus ........................................................................................................... 66 OC-48 TDM Bus ............................................................................................................................ 67 SPIO Cross-Connect Bus .............................................................................................................. 67

Power Filter Units ................................................................................................................................... 68 Fan Tray Assemblies .............................................................................................................................. 69

Lower Fan Tray .................................................................................................................................. 69 Air Filter Assembly ............................................................................................................................. 69 Upper Fan Tray .................................................................................................................................. 70 Chassis Airflow ................................................................................................................................... 70

Application Cards ................................................................................................................................... 71 System Management Card (SMC) ..................................................................................................... 71 SMC RAID Support ............................................................................................................................ 73 Packet Processing Cards: PSC, PSCA, PSC2, PSC3 and PPC ....................................................... 74

Packet Services Card (PSC).......................................................................................................... 76 Packet Services Card Type A (PSCA) ........................................................................................... 76 Packet Services Card 2 (PSC2) .................................................................................................... 76 Packet Services Card 3 (PSC3) .................................................................................................... 76 Packet Processor Card (PPC) Description .................................................................................... 77

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Line Cards............................................................................................................................................... 78 Switch Processor I/O (SPIO) Card ..................................................................................................... 78

Management LAN Interfaces ......................................................................................................... 79 Console Port .................................................................................................................................. 79 BITS Timing.................................................................................................................................... 80 Central Office Alarm Interface ........................................................................................................ 80

Redundancy Crossbar Card (RCC) .................................................................................................... 80 Fast Ethernet Line Card (FELC or FLC2)........................................................................................... 81 Gigabit Ethernet Line Card (GELC or GLC2) ..................................................................................... 82 Quad Gigabit Ethernet Line Card (QGLC) ......................................................................................... 84 10 Gigabit Ethernet Line Card (XGLC) ............................................................................................... 86 Optical Line Card (OLC2) ................................................................................................................... 89 Channelized Line Card (CLC2) .......................................................................................................... 91

Card Interlock Switch .............................................................................................................................. 95 Card Identifiers ....................................................................................................................................... 96

Software Architecture ....................................................................................... 99 Understanding the Distributed Software Architecture .......................................................................... 101

Software Tasks ................................................................................................................................. 101 Subsystems ...................................................................................................................................... 101

Redundancy and Availability Features ......................................................... 105 Service Availability Features................................................................................................................. 106

Hardware Redundancy Features ..................................................................................................... 106 Hardware Redundancy Configuration .......................................................................................... 106

Software Assurance Features .......................................................................................................... 108 Session Recovery Feature ........................................................................................................... 108 Interchassis Session Recovery .................................................................................................... 109

Mean Time Between Failure ................................................................................................................. 110 System Availability ................................................................................................................................ 112 Spare Component Recommendations ................................................................................................. 113

Management System Overview ..................................................................... 115 Out-of-Band Management .................................................................................................................... 117 Command Line Interface ...................................................................................................................... 118

CLI Overview .................................................................................................................................... 118 Web Element Manager Application ...................................................................................................... 120

Application Detection and Control Overview .............................................. 121 ADC Overview ...................................................................................................................................... 122

Platform Requirements ..................................................................................................................... 122 License Requirements ...................................................................................................................... 123 Dynamic Software Upgrade ............................................................................................................. 123

Overview ...................................................................................................................................... 123 ADC Protocol Group Detection .................................................................................................... 124 Behavioral P2P and VoIP............................................................................................................. 124 SSL Renegotiation Tracking ........................................................................................................ 124 Analyzer Interworking ................................................................................................................... 125

Traffic Sub-classification................................................................................................................... 125 Bulk Statistics Support...................................................................................................................... 125

How ADC Works ................................................................................................................................... 126 Limitations ........................................................................................................................................ 126

CDMA2000 Wireless Data Services ............................................................... 129 Product Description .............................................................................................................................. 130 Features and FunctionalityBase Software ........................................................................................ 131

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Gx and Gy Support ........................................................................................................................... 131 RADIUS Support .............................................................................................................................. 132

Description ................................................................................................................................... 132 Access Control List Support ............................................................................................................. 133 IP Policy Forwarding ........................................................................................................................ 134

Description ................................................................................................................................... 134 AAA Server Groups .......................................................................................................................... 134

Description ................................................................................................................................... 134 Overlapping IP Address Pool Support ............................................................................................. 135 Routing Protocol Support ................................................................................................................. 135

Description ................................................................................................................................... 135 Management System Overview ....................................................................................................... 136

Description ................................................................................................................................... 136 Bulk Statistics Support ..................................................................................................................... 137

Description ................................................................................................................................... 137 Threshold Crossing Alerts (TCA) Support........................................................................................ 138

Description ................................................................................................................................... 138 IP Header Compression - Van Jacobson ......................................................................................... 139

Description ................................................................................................................................... 139 DSCP Marking .................................................................................................................................. 139

Features and Functionality - Optional Enhanced Software Features................................................... 140 Session Recovery Support ............................................................................................................... 140

Description ................................................................................................................................... 140 IPv6 Support ..................................................................................................................................... 141

Description ................................................................................................................................... 141 L2TP LAC Support ........................................................................................................................... 142

Description ................................................................................................................................... 142 L2TP LNS Support ........................................................................................................................... 142

Description ................................................................................................................................... 142 Proxy Mobile IP ................................................................................................................................ 143

Description ................................................................................................................................... 143 IP Security (IPSec) ........................................................................................................................... 143

Description ................................................................................................................................... 143 Traffic Policing and Rate Limiting ..................................................................................................... 144

Description ................................................................................................................................... 144 Intelligent Traffic Control .............................................................................................................. 145

Dynamic RADIUS Extensions (Change of Authorization) ................................................................ 145 Description ................................................................................................................................... 145

Web Element Management System ................................................................................................. 146 Description ................................................................................................................................... 146

Features and Functionality - Inline Service Support ............................................................................ 147 Content Filtering ............................................................................................................................... 147

Integrated Adult Content Filter ..................................................................................................... 147 ICAP Interface .............................................................................................................................. 147

Network Address Translation (NAT) ................................................................................................ 148 Peer-to-Peer Detection..................................................................................................................... 148 Personal Stateful Firewall ................................................................................................................ 149 Traffic Performance Optimization (TPO) .......................................................................................... 149

Features and Functionality - External Application Support .................................................................. 151 Mobility Unified Reporting ................................................................................................................ 151

CDMA2000 Data Network Deployment Configurations ....................................................................... 152 Standalone PDSN/FA and HA Deployments ................................................................................... 152

Interface Descriptions .................................................................................................................. 152 Co-Located Deployments ................................................................................................................. 153

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Understanding Simple IP and Mobile IP ............................................................................................... 155 Simple IP .......................................................................................................................................... 155

How Simple IP Works .................................................................................................................. 155 Mobile IP ........................................................................................................................................... 158

Mobile IP Tunneling Methods....................................................................................................... 158 How Mobile IP Works ................................................................................................................... 160

Proxy Mobile IP ................................................................................................................................ 163 How Proxy Mobile IP Works......................................................................................................... 164

Supported Standards ............................................................................................................................ 169 Requests for Comments (RFCs) ...................................................................................................... 169 TIA and Other Standards ................................................................................................................. 172

Telecommunications Industry Association (TIA) Standards ........................................................ 172 Object Management Group (OMG) Standards ............................................................................ 172 3GPP2 Standards ........................................................................................................................ 172 IEEE Standards ............................................................................................................................ 173

Content Filtering Support Overview ............................................................. 175 Introduction ........................................................................................................................................... 176

Platform Requirements ..................................................................................................................... 176 Licenses Requirements .................................................................................................................... 177

URL Blacklisting Support ...................................................................................................................... 178 URL Blacklisting Solution Components ............................................................................................ 179

Web Element Manager (WEM) .................................................................................................... 179 How URL Blacklisting Works ............................................................................................................ 180

Blacklist Updates .......................................................................................................................... 180 URL Blacklisting Action ................................................................................................................ 181

Category-based Content Filtering Support ........................................................................................... 182 Benefits of Category-based Content Filtering .................................................................................. 182 ECS and Content Filtering Application ............................................................................................. 183 Components of Category-based Content Filtering Solution ............................................................. 184 Category-based Content Filtering Subsystem ................................................................................. 184

Static Rating Categorization Database (SRDB)........................................................................... 185 Content Rating Rules Update Server ............................................................................................... 185 Cisco Datacenter Server .................................................................................................................. 186 External Storage System .................................................................................................................. 186 RADIUS Server and Policy Manager ............................................................................................... 186 Web Element Manager (WEM) ........................................................................................................ 187

Configuring WBLIST .................................................................................................................... 187 Mobility Unified Reporting System ................................................................................................... 188 How Category-based Content Filtering Works ................................................................................. 189

How URL Blacklisting and Category-based Content Filtering Work Concurrently ............................... 193 Content Filtering Server Group Support ............................................................................................... 194 External Storage System ...................................................................................................................... 196 Bulk Statistics Support .......................................................................................................................... 197 Minimum System Requirements and Recommendations .................................................................... 198

Cisco Datacenter Server System Requirements .............................................................................. 198 Hardware Requirements................................................................................................................... 198 Additional Requirements on Chassis ............................................................................................... 199

Enhanced Charging Service Overview ......................................................... 201 Introduction ........................................................................................................................................... 202

Platform Requirements ..................................................................................................................... 202 License Requirements ...................................................................................................................... 202

Basic Features and Functionality ......................................................................................................... 203 Shallow Packet Inspection ............................................................................................................... 203

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Deep Packet Inspection ................................................................................................................... 203 Charging Subsystem ........................................................................................................................ 203

Traffic Analyzers .......................................................................................................................... 203 How ECS Works .......................................................................................................................... 204

ECS Deployment and Architecture ....................................................................................................... 217 Enhanced Features and Functionality .................................................................................................. 219

Session Control in ECS .................................................................................................................... 219 Service Group QoS Feature ............................................................................................................. 219

Configuration Overview ................................................................................................................ 221 Support for Service-based QoS ................................................................................................... 222 Hierarchical Enforcement of QoS Parameters............................................................................. 223 Reporting Statistics and Usage to PCRF ..................................................................................... 224

Time and Flow-based Bearer Charging in ECS ............................................................................... 224 Fair Usage ........................................................................................................................................ 225 Content Filtering Support ................................................................................................................. 226

Content Filtering Server Group Support ...................................................................................... 226 In-line Content Filtering Support .................................................................................................. 226

DNS Snooping .................................................................................................................................. 227 License Requirements ................................................................................................................. 227 Bulkstatistics Support ................................................................................................................... 227 How it Works ................................................................................................................................ 228 Limitations and Dependencies ..................................................................................................... 232

IP Readdressing ............................................................................................................................... 232 Next-hop Address Configuration ...................................................................................................... 233 Post Processing ............................................................................................................................... 233

How the Post-processing Feature Works .................................................................................... 233 Tethering Detection .......................................................................................................................... 234

License Requirements ................................................................................................................. 235 MUR Support for Tethering Detection ......................................................................................... 235 Tethering Detection Databases ................................................................................................... 235 Loading and Upgrading Tethering Detection Databases ............................................................. 235 Session Recovery Support .......................................................................................................... 235

Time-of-Day Activation/Deactivation of Rules .................................................................................. 236 How the Time-of-Day Activation/Deactivation of Rules Feature Works ...................................... 236

URL Filtering .................................................................................................................................... 236 TCP Proxy ........................................................................................................................................ 237

Flow Admission Control ............................................................................................................... 238 TCP Proxy Behavior and Limitations ........................................................................................... 239

X-Header Insertion and Encryption .................................................................................................. 242 License Requirements ................................................................................................................. 242 X-Header Insertion ....................................................................................................................... 242 X-Header Encryption .................................................................................................................... 243 Limitations to the Header Insertion and Encryption Features ...................................................... 244 Supported X-Headers .................................................................................................................. 245 X-Header Enrichment Anti Spoofing ............................................................................................ 246

Accounting and Charging Interfaces .................................................................................................... 247 GTPP Accounting ............................................................................................................................. 247 RADIUS Accounting and Credit Control........................................................................................... 247 Diameter Accounting and Credit Control.......................................................................................... 248

Gx Interface Support .................................................................................................................... 248 Gy Interface Support .................................................................................................................... 248 Event Detail Records (EDRs) ...................................................................................................... 249 Usage Detail Records (UDRs) ..................................................................................................... 250

Charging Methods and Interfaces .................................................................................................... 251

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Prepaid Credit Control .................................................................................................................. 251 Postpaid ....................................................................................................................................... 251

Prepaid Billing in ECS ...................................................................................................................... 252 How ECS Prepaid Billing Works .................................................................................................. 252

Credit Control Application (CCA) in ECS ......................................................................................... 252 How Credit Control Application (CCA) Works for Prepaid Billing ................................................ 253

Postpaid Billing in ECS ..................................................................................................................... 254 How ECS Postpaid Billing Works ................................................................................................. 254

External Storage System ...................................................................................................................... 257 System Resource Allocation ................................................................................................................. 258 Redundancy Support in ECS ................................................................................................................ 259

Intra-chassis Session Recovery Interoperability .............................................................................. 259 Recovery from Task Failure ......................................................................................................... 259 Recovery from CPU or Packet Processing Card Failure ............................................................. 259

Inter-chassis Session Recovery Interoperability .............................................................................. 259 Inter-chassis Session Recovery Architecture .............................................................................. 260

Impact on xDR File Naming ............................................................................................................. 260 Impact on xDR File Content ............................................................................................................. 261

Enhanced Wireless Access Gateway Overview .......................................... 263 Introduction ........................................................................................................................................... 264 Product Overview ................................................................................................................................. 265

Platform Requirements ..................................................................................................................... 266 License Requirements ...................................................................................................................... 266 Supported Standards........................................................................................................................ 266 Network Deployments and Network Interfaces ................................................................................ 267

Network Deployments .................................................................................................................. 267 Network Interfaces ....................................................................................................................... 267

Feature Description .............................................................................................................................. 268 RADIUS AAA Support ...................................................................................................................... 268

Control and Data Interfaces ......................................................................................................... 269 IP Address Allocation ................................................................................................................... 269 Network Layer Service Access Point Identifier Allocation ........................................................... 270 Routing Area Identification Encoding ........................................................................................... 270

Differentiated Services Code Point Marking..................................................................................... 270 Access Point Name Selection .......................................................................................................... 271 Quality of Service Profile Selection .................................................................................................. 271 GGSN Selection ............................................................................................................................... 272 GGSN Failover Case ........................................................................................................................ 272 Network Address Translation and Application Level Gateway Support ........................................... 272 Virtual APN Support ......................................................................................................................... 273 UE Identity and Location Information Support ................................................................................. 273

UE Identity Information Support ................................................................................................... 273 UE Location Information Support ................................................................................................. 274

Bulk Statistics Support...................................................................................................................... 274 Threshold Crossing Alerts Support .................................................................................................. 275 Congestion Control Support ............................................................................................................. 275 Redundancy Support ........................................................................................................................ 276

How it Works ......................................................................................................................................... 278 Session Setup .................................................................................................................................. 278

Session Setup using Accounting-Interim ..................................................................................... 281 Session Replacement....................................................................................................................... 284 Session Setup Failure ...................................................................................................................... 285

Mandatory AVP Missing / No Resource ....................................................................................... 285 GTP Tunnel Setup Failure ........................................................................................................... 286

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Session Update ................................................................................................................................ 287 WLC-initiated Accounting Interim ................................................................................................ 288 GGSN-initiated Update PDP Context .......................................................................................... 288 Session Teardown ....................................................................................................................... 289

Dependencies and Limitations ............................................................................................................. 292 eWAG + GGSN Combo Deployments ............................................................................................. 292

Virtual APN Configuration in eWAG + GGSN Combo Deployments ........................................... 292 eWAG + TTG Combo Deployments ................................................................................................. 293

SGTP Service Configuration in eWAG + TTG Combo Deployments .......................................... 293 eWAG + TTG + GGSN Combo Deployments .................................................................................. 294 Mobility Setup Considerations .......................................................................................................... 294

3G-eWAG-TTG Mobility using Proxy-MIP at GGSN ................................................................... 294

External Storage System Overview .............................................................. 295 ESS Overview ...................................................................................................................................... 296

ESS Features and Functions ........................................................................................................... 297 System Requirements .......................................................................................................................... 298

ASR 5x00 System Requirements ..................................................................................................... 298 ESS System Requirements .............................................................................................................. 298

ESS System Recommendations for Stand-alone Deployment.................................................... 298 ESS System Recommendations for Cluster Deployment ............................................................ 300

GGSN Support in GPRS/UMTS Wireless Data Services ............................. 303 Product Description .............................................................................................................................. 304 Product Specification ............................................................................................................................ 305

Licenses ........................................................................................................................................... 305 Platform Requirements..................................................................................................................... 305 Operating System Requirements ..................................................................................................... 305

Network Deployment and Interfaces .................................................................................................... 306 GGSN in the GPRS/UMTS Data Network........................................................................................ 306 Supported Interfaces ........................................................................................................................ 308

Features and Functionality - Base Software ........................................................................................ 311 16,000 SGSN Support...................................................................................................................... 312 AAA Server Groups .......................................................................................................................... 312 Access Control List Support ............................................................................................................. 312 ANSI T1.276 Compliance ................................................................................................................. 313 APN Support .................................................................................................................................... 313 APN AMBR Support ......................................................................................................................... 314 Bulk Statistics Support ..................................................................................................................... 315 Direct Tunnel Support ...................................................................................................................... 315 DHCP Support .................................................................................................................................. 316 DHCPv6 Support .............................................................................................................................. 317 DSCP Marking .................................................................................................................................. 318 IMS Emergency Session Support .................................................................................................... 318 Framed-Route Attribute Support ...................................................................................................... 318 Generic Corporate APN ................................................................................................................... 318 GnGp Handoff Support..................................................................................................................... 319 GTPP Support .................................................................................................................................. 319 Host Route Advertisement ............................................................................................................... 320 IP Policy Forwarding ........................................................................................................................ 321 IP Header Compression - Van Jacobson ......................................................................................... 321 IPv6 Support ..................................................................................................................................... 322 Management System Overview ....................................................................................................... 323 MPLS Forwarding with LDP ............................................................................................................. 325 Overlapping IP Address Pool Support ............................................................................................. 325

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PDP Context Support ....................................................................................................................... 326 Per APN Configuration to Swap out Gn to Gi APN in CDRs ............................................................ 326 Port Insensitive Rule for Enhanced Charging Service ..................................................................... 326 Quality of Service Support ................................................................................................................ 327 RADIUS Support .............................................................................................................................. 327 RADIUS VLAN Support .................................................................................................................... 328 Routing Protocol Support ................................................................................................................. 329 Subscriber Session Trace Support ................................................................................................... 330 Support of Charging Characteristics Provided by AAA Server ........................................................ 332 Support of all GGSN generated causes for partial G-CDR closure ................................................. 333 Support of ULI/RAI Generation ........................................................................................................ 333 Threshold Crossing Alerts (TCA) Support ........................................................................................ 333 User Location Change Reporting Support ....................................................................................... 334

Features and Functionality - Optional Enhanced Feature Software..................................................... 335 Common Gateway Access Support ................................................................................................. 335 Dynamic RADIUS Extensions (Change of Authorization) ................................................................ 336 GRE Protocol Interface Support ....................................................................................................... 336 Gx Interface Support ........................................................................................................................ 338 Inter-Chassis Session Recovery ...................................................................................................... 339 IP Security (IPSec) ........................................................................................................................... 340 L2TP LAC Support ........................................................................................................................... 342 L2TP LNS Support ........................................................................................................................... 343 Lawful Intercept ................................................................................................................................ 343 Mobile IP Home and Foreign Agents ............................................................................................... 344 Mobile IP NAT Traversal .................................................................................................................. 345 Multimedia Broadcast Multicast Services Support ........................................................................... 345 Overcharging Protection on Loss of Coverage ................................................................................ 345 Proxy Mobile IP ................................................................................................................................ 346 Session Persistence ......................................................................................................................... 346 Session Recovery Support ............................................................................................................... 347 Traffic Policing and Rate Limiting ..................................................................................................... 348 Web Element Management System ................................................................................................. 349

How GGSN Works ................................................................................................................................ 351 PDP Context Processing .................................................................................................................. 351 Dynamic IP Address Assignment ..................................................................................................... 352 Subscriber Session Call Flows ......................................................................................................... 353

Transparent Session IP Call Flow ................................................................................................ 353 Non-Transparent IP Session Call Flow ........................................................................................ 355 Network-Initiated Session Call Flow ............................................................................................ 358 PPP Direct Access Call Flow ....................................................................................................... 359 Virtual Dialup Access Call Flow ................................................................................................... 361 Corporate IP VPN Connectivity Call Flow .................................................................................... 363 Mobile IP Call Flow ...................................................................................................................... 365 Proxy Mobile IP Call Flows .......................................................................................................... 368 IPv6 Stateless Address Auto Configuration Flows ...................................................................... 371

Supported Standards ............................................................................................................................ 373 3GPP References ............................................................................................................................. 373 IETF References .............................................................................................................................. 374 Object Management Group (OMG) Standards ................................................................................ 377

HA Overview .................................................................................................... 379 Product Specifications .......................................................................................................................... 380

Hardware Requirements................................................................................................................... 380 Platforms ...................................................................................................................................... 380 Components ................................................................................................................................. 380

Contents

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Operating System Requirements ..................................................................................................... 380 MPLS Forwarding with LDP ......................................................................................................... 381

Features and Functionality - Inline Service Support ............................................................................ 382 Content Filtering ............................................................................................................................... 382

Integrated Adult Content Filter ..................................................................................................... 382 ICAP Interface .............................................................................................................................. 382

Network Address Translation (NAT) ................................................................................................ 383 Personal Stateful Firewall ................................................................................................................ 383 Traffic Performance Optimization (TPO) .......................................................................................... 384

Supported Standards ............................................................................................................................ 385 Requests for Comments (RFCs) ...................................................................................................... 385

Network Deployment Configurations .................................................................................................... 389 Standalone PDSN/FA and HA Deployments ................................................................................... 389

Interface Descriptions .................................................................................................................. 389 Co-Located Deployments ................................................................................................................. 390

Mobile IP Tunneling Methods ...................................................................................................... 391 How Mobile IP Works ................................................................................................................... 393

Understanding Mobile IP ...................................................................................................................... 397 Session Continuity Support for 3GPP2 and WiMAX Handoffs ........................................................ 397

HNB Gateway in Wireless Network ............................................................... 399 Product Description .............................................................................................................................. 400

HNB Access Network Elements ....................................................................................................... 401 Home NodeB ............................................................................................................................... 401 Security Gateway (SeGW) ........................................................................................................... 402 HNB Gateway (HNB-GW) ............................................................................................................ 402 HNB Management System (HMS) ............................................................................................... 402

Licenses ........................................................................................................................................... 402 Platform Requirements..................................................................................................................... 403

Network Deployment and Interfaces .................................................................................................... 404 HNB Gateway in 3G UMTS Network ............................................................................................... 404 Supported Logical Interfaces ........................................................................................................... 404

Features and Functionality - Base Software ........................................................................................ 407 AAA Server Group Support .............................................................................................................. 408 AAL2 Establish and Release Support .............................................................................................. 408 Access Control List Support ............................................................................................................. 408 ANSI T1.276 Compliance ................................................................................................................. 409 ATM VC Management Support ........................................................................................................ 409 Cell Broadcasting Service (CBS) Support........................................................................................ 410 Congestion Control and Management Support ................................................................................ 410 DHCP Interface Support Between HNB-GW and HMS ................................................................... 411 RADIUS Change of Authorization Extensions ................................................................................. 412 Emergency Call Handling ................................................................................................................. 412 GTP-U Tunnels Management Support............................................................................................. 413 HNB-UE Access Control .................................................................................................................. 413 HNB Management Function ............................................................................................................. 414 Hybrid Access Mode Support ........................................................................................................... 414 Intra-Domain Multiple CN Support Through Iu-Flex ......................................................................... 415 Iu Signalling Link Management Support .......................................................................................... 416 IuH User-Plane Transport Bearer Handling Support ....................................................................... 416 Multiple HNB-GW Service Support .................................................................................................. 416 Multiple MSC Selection without Iu-Flex............................................................................................ 417 Network Access Control Functions through SeGW ......................................................................... 418

Authentication and Key Agreement (AKA) ................................................................................... 418 3GPP AAA Server Support .......................................................................................................... 418

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X.509 Certificate-based Authentication Support .......................................................................... 418 Open Access Mode Support ............................................................................................................ 419 QoS Management with DSCP Marking ............................................................................................ 420 RADIUS Support .............................................................................................................................. 420 UE Management Function for Pre-Rel-8 UEs .................................................................................. 421 System Management Features ........................................................................................................ 421

Management System Overview ................................................................................................... 422 Bulk Statistics Support ................................................................................................................. 423 Threshold Crossing Alerts (TCA) Support ................................................................................... 425 ANSI T1.276 Compliance ............................................................................................................. 426

Features and Functionality - Optional Enhanced Feature Software..................................................... 427 Dynamic RADIUS Extensions (Change of Authorization) ................................................................ 427 IP Security (IPSec) ........................................................................................................................... 428 Session Recovery ............................................................................................................................. 428 Web Element Management System ................................................................................................. 429

How HNB-GW Works ........................................................................................................................... 430 HNB Provisioning and Registration Procedure ................................................................................ 430 UE Registration Procedure ............................................................................................................... 432

UE Registration Procedure of Non-CSG UEs or Non-CSG HNBs .............................................. 432 Iu Connection Procedures ................................................................................................................ 434

Iu Connection Establishment Procedure ...................................................................................... 434 Network Initiated Iu Connection Release Procedure ................................................................... 436

Paging and Serving RNS Relocation Procedures ............................................................................ 438 Paging Procedure ........................................................................................................................ 438 SRNS Relocation Procedure........................................................................................................ 438

RANAP Reset Procedures ............................................................................................................... 439 HNB Initiated RANAP Reset Procedure ...................................................................................... 439 CN Initiated RANAP Reset Procedure ......................................................................................... 439 HNB-GW Initiated RANAP Reset Procedure ............................................................................... 439

Supported Standards ............................................................................................................................ 441 3GPP References ............................................................................................................................. 441 IETF References .............................................................................................................................. 442 ITU-T Recommendations ................................................................................................................. 444 Object Management Group (OMG) Standards ................................................................................ 445

HRPD Serving Gateway Overview ................................................................. 447 Product Description .............................................................................................................................. 448

Basic Features .................................................................................................................................. 449 Authentication .............................................................................................................................. 449 IP Address Allocation ................................................................................................................... 450 Quality of Service ......................................................................................................................... 450 AAA, Policy and Charging ............................................................................................................ 450

Platform Requirements ..................................................................................................................... 451 Licenses ........................................................................................................................................... 451

Network Deployment(s) ........................................................................................................................ 452 HRPD Serving Gateway in an eHRPD Network .............................................................................. 452

Supported Logical Network Interfaces (Reference Points) .......................................................... 453 Features and Functionality - Base Software ......................................................................................... 457

A10/A11 ............................................................................................................................................ 457 AAA Server Groups .......................................................................................................................... 458 ANSI T1.276 Compliance ................................................................................................................. 458 Bulk Statistics Support...................................................................................................................... 458 Congestion Control ........................................................................................................................... 459 DSCP Marking .................................................................................................................................. 460 Dynamic Policy and Charging: Gxa Reference Interface ................................................................. 461

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EAP Authentication (STa) ................................................................................................................ 461 Inter-user Best Effort Support Over eHRPD .................................................................................... 462 IP Access Control Lists .................................................................................................................... 462 Management System ....................................................................................................................... 462 Mobile IP Registration Revocation ................................................................................................... 463 Multiple PDN Support ....................................................................................................................... 464 Network Initiated QoS ...................................................................................................................... 464 Non-Optimized Inter-HSGW Session Handover .............................................................................. 465 P-GW Selection (Discovery) ............................................................................................................ 465 PPP VSNCP ..................................................................................................................................... 466 Proxy Mobile IPv6 (S2a) .................................................................................................................. 466 Rf Diameter Accounting ................................................................................................................... 466 Threshold Crossing Alerts (TCA) Support........................................................................................ 467 UE Initiated Dedicated Bearer Resource Establishment ................................................................. 468

Features and Functionality - External Application Support .................................................................. 469 Web Element Management System ................................................................................................. 469

Features and Functionality - Optional Enhanced Feature Software .................................................... 470 Intelligent Traffic Control .................................................................................................................. 470 IP Header Compression (RoHCv1 for IPv4/IPv6) ............................................................................ 470 IP Security (IPSec) ........................................................................................................................... 471 Lawful Intercept ................................................................................................................................ 471 Layer 2 Traffic Management (VLANs) .............................................................................................. 472 Session Recovery Support ............................................................................................................... 472 Traffic Policing and Shaping ............................................................................................................ 473

Traffic Policing ............................................................................................................................. 473 Traffic Shaping ............................................................................................................................. 473

Call/Session Procedure Flows ............................................................................................................. 474 Initial Attach with IPv6/IPv4 Access ................................................................................................. 474 PMIPv6 Lifetime Extension without Handover ................................................................................. 476 PDN Connection Release Initiated by UE ........................................................................................ 477 PDN Connection Release Initiated by HSGW ................................................................................. 478 PDN Connection Release Initiated by P-GW ................................................................................... 479

Supported Standards ............................................................................................................................ 481 Release 9 3GPP References ........................................................................................................... 481 Release 8 3GPP References ........................................................................................................... 481 3GPP2 References .......................................................................................................................... 482 IETF References .............................................................................................................................. 482 Object Management Group (OMG) Standards ................................................................................ 483

Intelligent Policy Control Function Overview .............................................. 485 Product Description .............................................................................................................................. 486

PCC Solution Elements .................................................................................................................... 487 Intelligent Policy Control Function (IPCF) .................................................................................... 487 Subscriber Service Controller (SSC) ........................................................................................... 489 Policy Provisioning Tool (PPT) .................................................................................................... 489

Licenses ........................................................................................................................................... 489 Platform Requirements..................................................................................................................... 490

Network Deployment and Interfaces .................................................................................................... 491 IPCF in UTRAN/E-UTRAN/cdma2000-1x/HRPD/LTE Networks ..................................................... 491

Standalone Deployment of IPCF ................................................................................................. 491 Co-located Deployment of IPCF .................................................................................................. 492

Supported Interfaces ........................................................................................................................ 493 Features and Functionality - Base Software ........................................................................................ 496

Emergency APN/PDN Support ........................................................................................................ 496 Event Notification Interface Support ................................................................................................. 496

Contents

Cisco ASR 5000 Product Overview

xiv OL-27222-05

Multiple Time-Slot Support ............................................................................................................... 497 Policy and Charging Control Function .............................................................................................. 497 Policy Definition Mapping Support ................................................................................................... 497 Policy Provisioning Tool Integration ................................................................................................. 498 Roaming Support .............................................................................................................................. 498 System Management Features ........................................................................................................ 498

Management System Overview ................................................................................................... 499 Bulk Statistics Support ................................................................................................................. 500 Threshold Crossing Alerts (TCA) Support ................................................................................... 501 ANSI T1.276 Compliance ............................................................................................................. 502

Time-Usage Monitoring Over Gx Support ........................................................................................ 503 Usage Monitoring and Control Support ............................................................................................ 503

Features and Functionality - Licensed Enhanced Feature Software.................................................... 504 Session Recovery Support ............................................................................................................... 504 Web Element Management System ................................................................................................. 505

How IPCF Works .................................................................................................................................. 506 IP-CAN Session Setup Procedure ................................................................................................... 506 AF Session Setup Procedure ........................................................................................................... 509

Supported Standards ............................................................................................................................ 512 3GPP References ............................................................................................................................. 512 IETF References .............................................................................................................................. 512 Object Management Group (OMG) Standards ................................................................................ 515

IP Services Gateway Overview ...................................................................... 517 Introduction ........................................................................................................................................... 518

Platform Requirements ..................................................................................................................... 518 License Requirements ...................................................................................................................... 518

How it Works ......................................................................................................................................... 519 RADIUS Server Mode ...................................................................................................................... 519

RADIUS Proxy ............................................................................................................................. 519 RADIUS Snoop Mode....................................................................................................................... 520

In-line Services ..................................................................................................................................... 521 Application Detection and Control .................................................................................................... 521 Content Filtering ............................................................................................................................... 521 Enhanced Charging Service ............................................................................................................. 521

Enhanced Feature Support................................................................................................................... 522 Dynamic RADIUS Extensions (Change of Authorization) ................................................................ 522 Gx Interface Support ........................................................................................................................ 522 G