P-GW Administration Guide, StarOS Release 17

Last Updated December 19, 2014

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P-GW Administration Guide, StarOS Release 17

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P-GW Administration Guide, StarOS Release 17 iii

CONTENTS

About this Guide ............................................................................................... xv Conventions Used .................................................................................................................................. xvi Supported Documents and Resources ................................................................................................. xvii

Related Common Documentation ..................................................................................................... xvii Related Product Documentation ................................................................................................... xvii Obtaining Documentation ............................................................................................................ xviii

Contacting Customer Support ................................................................................................................ xix

PDN Gateway Overview .................................................................................... 21 Product Description ................................................................................................................................ 22

Qualified Platforms ............................................................................................................................. 24 Licenses ............................................................................................................................................. 24

Network Deployment(s) .......................................................................................................................... 25 PDN Gateway in the E-UTRAN/EPC Network ................................................................................... 25

Supported Logical Network Interfaces (Reference Points) ............................................................ 26 PDN Gateway Supporting eHRPD to E-UTRAN/EPC Connectivity .................................................. 31

Supported Logical Network Interfaces (Reference Points) ............................................................ 33 Features and Functionality - Base Software .......................................................................................... 38

3GPP R9 Volume Charging Over Gx ................................................................................................. 39 AAA Server Groups ............................................................................................................................ 40 ANSI T1.276 Compliance ................................................................................................................... 40 APN Support ...................................................................................................................................... 40 Assume Positive for Gy-based Quota Tracking ................................................................................. 41 Bit Rate Mapping Across Gx and GTP-based Interfaces................................................................... 41 Bulk Statistics Support ....................................................................................................................... 42 Congestion Control ............................................................................................................................. 43 Default and Dedicated EPC Bearers .................................................................................................. 44 DHCP Support .................................................................................................................................... 44 DHCPv6 Support ................................................................................................................................ 45 Direct Tunnel Support ........................................................................................................................ 45 DNS Support for IPv4/IPv6 PDP Contexts ......................................................................................... 46 Domain Based Flow Definitions ......................................................................................................... 46 DSCP Marking .................................................................................................................................... 46

GTP-U on per APN Basis .............................................................................................................. 47 Dynamic GTP Echo Timer ................................................................................................................. 47 Dynamic Policy Charging Control (Gx Reference Interface).............................................................. 47 Enhanced Charging Service (ECS) .................................................................................................... 48

Content Analysis Support .............................................................................................................. 50 Content Service Steering ............................................................................................................... 51 Support for Multiple Detail Record Types ...................................................................................... 51 Diameter Credit Control Application .............................................................................................. 52 Accept TCP Connections from DCCA Server................................................................................ 52 Gy Interface Support ...................................................................................................................... 52

Gn/Gp Handoff Support ..................................................................................................................... 53 IMS Emergency Bearer Handling ....................................................................................................... 54 IP Access Control Lists ...................................................................................................................... 54

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IP Address Hold Timers...................................................................................................................... 55 IPv6 and IPv4 Capabilities ................................................................................................................. 55 Local Break-Out .................................................................................................................................. 56 LTE Video Calling ............................................................................................................................... 56 Management System Overview ......................................................................................................... 57 MPLS EXP Marking of User Plane Traffic .......................................................................................... 58 Mobile IP Registration Revocation ..................................................................................................... 59 MTU Size PCO ................................................................................................................................... 59 Multiple PDN Support ......................................................................................................................... 59 Node Functionality GTP Echo ............................................................................................................ 60 Non-Optimized e-HRPD to Native LTE (E-UTRAN) Mobility Handover ............................................. 60 Online/Offline Charging ...................................................................................................................... 61

Online Charging ............................................................................................................................. 61 Offline Charging ............................................................................................................................. 62

P-CSCF Recovery .............................................................................................................................. 62 Peer GTP Node Profile Configuration Support .................................................................................. 62 PMIPv6 Heartbeat .............................................................................................................................. 63 Proxy Mobile IPv6 (S2a) ..................................................................................................................... 63 QoS Bearer Management .................................................................................................................. 64 RADIUS Support ................................................................................................................................ 64 S-GW Restoration Support ................................................................................................................. 66 Source IP Address Validation ............................................................................................................. 66 SRVCC PS-to-CS Handover Indication Support ................................................................................ 66 Subscriber Level Trace....................................................................................................................... 67

3GPP Tracing to Intercept Random Subscriber ............................................................................ 68 Threshold Crossing Alerts (TCA) Support .......................................................................................... 68 UE Time Zone Reporting .................................................................................................................... 69 Virtual APN Support ........................................................................................................................... 69

Features and Functionality - Inline Service Support ............................................................................... 70 Content Filtering ................................................................................................................................. 70

Integrated Adult Content Filter ....................................................................................................... 70 ICAP Interface ................................................................................................................................ 71

IPNE Service Support......................................................................................................................... 71 Header Enrichment: Header Insertion and Encryption ....................................................................... 71 Mobile Video Gateway........................................................................................................................ 72 Network Address Translation (NAT) ................................................................................................... 73

NAT64 Support .............................................................................................................................. 73 Peer-to-Peer Detection ....................................................................................................................... 74 Personal Stateful Firewall ................................................................................................................... 74

Features and Functionality - External Application Support .................................................................... 76 InTracer .............................................................................................................................................. 76

Nodal Trace .................................................................................................................................... 76 3GPP Trace ................................................................................................................................... 77

Web Element Management System ................................................................................................... 77 Features and Functionality - Optional Enhanced Feature Software....................................................... 79

AAA and Prefix Delegation DHCP Correlation ................................................................................... 79 Always-On Licensing .......................................................................................................................... 80 Common Gateway Access Support ................................................................................................... 80 Dynamic RADIUS Extensions (Change of Authorization) .................................................................. 80 GRE Protocol Interface Support ......................................................................................................... 81 GTP Throttling .................................................................................................................................... 81 Inter-Chassis Session Recovery ........................................................................................................ 82 IP Security (IPSec) Encryption ........................................................................................................... 83 L2TP LAC Support ............................................................................................................................. 83

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Lawful Intercept .................................................................................................................................. 83 Layer 2 Traffic Management (VLANs) ................................................................................................ 84 Local Policy Decision Engine ............................................................................................................. 84 MPLS Forwarding with LDP ............................................................................................................... 84 NEMO Service Supported .................................................................................................................. 85

NEMO Support in GGSN ............................................................................................................... 85 Network Provided Location Information for IMS ................................................................................ 85 Overcharging Protection Support ....................................................................................................... 86 Session Recovery Support ................................................................................................................. 86 Smartphone Tethering Detection Support.......................................................................................... 87 Traffic Policing .................................................................................................................................... 87 User Location Information Reporting ................................................................................................. 88

How the PDN Gateway Works ............................................................................................................... 90 PMIPv6 PDN Gateway Call/Session Procedures in an eHRPD Network .......................................... 90

Initial Attach with IPv6/IPv4 Access ............................................................................................... 90 PMIPv6 Lifetime Extension without Handover ............................................................................... 92 PDN Connection Release Initiated by UE ..................................................................................... 93 PDN Connection Release Initiated by HSGW ............................................................................... 94 PDN Connection Release Initiated by P-GW................................................................................. 95

GTP PDN Gateway Call/Session Procedures in an LTE-SAE Network ............................................ 96 Subscriber-initiated Attach (initial) ................................................................................................. 96 Subscriber-initiated Detach ............................................................................................................ 99

Supported Standards ............................................................................................................................ 101 Release 11 3GPP References ......................................................................................................... 101 Release 10 3GPP References ......................................................................................................... 101 Release 9 3GPP References ........................................................................................................... 102 Release 8 3GPP References ........................................................................................................... 103 3GPP2 References .......................................................................................................................... 104 IETF References .............................................................................................................................. 104 Object Management Group (OMG) Standards ................................................................................ 105

PDN Gateway Configuration .......................................................................... 107 Configuring the System as a Standalone eGTP P-GW ........................................................................ 108

Information Required ........................................................................................................................ 108 Required Local Context Configuration Information ...................................................................... 108 Required P-GW Context Configuration Information .................................................................... 109 Required PDN Context Configuration Information ....................................................................... 110 Required AAA Context Configuration Information ....................................................................... 111

How This Configuration Works ......................................................................................................... 114 eGTP P-GW Configuration ............................................................................................................... 115

Initial Configuration ...................................................................................................................... 116 P-GW Service Configuration ........................................................................................................ 122 P-GW PDN Context Configuration ............................................................................................... 123 Active Charging Service Configuration ........................................................................................ 124 Policy Configuration ..................................................................................................................... 127 Verifying and Saving the Configuration ....................................................................................... 130

DHCP Service Configuration ............................................................................................................ 130 DHCP Service Creation ............................................................................................................... 131 DHCP Server Parameter Configuration ....................................................................................... 131 DHCP Service Configuration Verification .................................................................................... 132

DHCPv6 Service Configuration ........................................................................................................ 133 DHCPv6 Service Creation ........................................................................................................... 133 DHCPv6 Server Parameter Configuration ................................................................................... 134 DHCPv6 Client Parameter Configuration .................................................................................... 134 DHCPv6 Profile Configuration ..................................................................................................... 135

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Associate DHCPv6 Configuration ................................................................................................ 136 DHCPv6 Service Configuration Verification ................................................................................. 137

Configuring the System as a Standalone PMIP P-GW in an LTE-SAE Network ................................. 138 Information Required ........................................................................................................................ 138

Required Local Context Configuration Information ...................................................................... 138 Required P-GW Context Configuration Information ..................................................................... 139 Required PDN Context Configuration Information ....................................................................... 140 Required AAA Context Configuration Information ....................................................................... 141

How This Configuration Works ......................................................................................................... 144 P-MIP P-GW (LTE) Configuration .................................................................................................... 145

Initial Configuration ...................................................................................................................... 146 P-GW Service Configuration ........................................................................................................ 151 P-GW PDN Context Configuration ............................................................................................... 152 Active Charging Service Configuration ........................................................................................ 153 AAA and Policy Configuration ...................................................................................................... 155 Verifying and Saving the Configuration ........................................................................................ 158

Configuring the System as a Standalone PMIP P-GW Supporting an eHRPD Network ..................... 159 Information Required ........................................................................................................................ 159

Required Local Context Configuration Information ...................................................................... 159 Required P-GW Context Configuration Information ..................................................................... 160 Required PDN Context Configuration Information ....................................................................... 161 Required AAA Context Configuration Information ....................................................................... 162

How This Configuration Works ......................................................................................................... 165 P-MIP P-GW (eHRPD) Configuration ............................................................................................... 166

Initial Configuration ...................................................................................................................... 167 P-GW Service Configuration ........................................................................................................ 172 P-GW PDN Context Configuration ............................................................................................... 173 Active Charging Service Configuration ........................................................................................ 174 AAA and Policy Configuration ...................................................................................................... 175 Verifying and Saving the Configuration ........................................................................................ 179

Configuring Optional Features on the P-GW ........................................................................................ 180 Configuring ACL-based Node-to-Node IP Security on the S5 Interface .......................................... 180

Creating and Configuring a Crypto Access Control List .............................................................. 180 Creating and Configuring an IPSec Transform Set ..................................................................... 181 Creating and Configuring an IKEv2 Transform Set ..................................................................... 181 Creating and Configuring a Crypto Map ...................................................................................... 182

Configuring APN as Emergency ....................................................................................................... 183 Configuring Common Gateway Access Support .............................................................................. 184

Diameter Endpoint Configuration ................................................................................................. 184 AAA Group Configuration ............................................................................................................. 185 Authorization over S6b Configuration .......................................................................................... 185 DNS Client Configuration ............................................................................................................. 185 Duplicate Call Accept Configuration ............................................................................................ 186 Common Gateway Access Support Configuration Verification .................................................... 186

Configuring Dynamic Node-to-Node IP Security on the S5 Interface .............................................. 187 Creating and Configuring an IPSec Transform Set ..................................................................... 187 Creating and Configuring an IKEv2 Transform Set ..................................................................... 188 Creating and Configuring a Crypto Template .............................................................................. 189 Binding the S5 IP Address to the Crypto Template ..................................................................... 189

Configuring the GTP Echo Timer ..................................................................................................... 190 Default GTP Echo Timer Configuration ....................................................................................... 190 Dynamic GTP Echo Timer Configuration ..................................................................................... 192

Configuring GTPP Offline Accounting on the P-GW ........................................................................ 195 Configuring Local QoS Policy ........................................................................................................... 197

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Creating and Configuring a Local QoS Policy ............................................................................. 197 Binding a Local QoS Policy.......................................................................................................... 198 Verifying Local QoS Policy........................................................................................................... 199

Configuring X.509 Certificate-based Peer Authentication ................................................................ 200

Network Mobility (NEMO) ............................................................................... 203 NEMO Overview ................................................................................................................................... 204

Use Cases ........................................................................................................................................ 204 Features and Benefits ...................................................................................................................... 205

MIPv4-based NEMO Control Plane ............................................................................................. 205 NEMO MR Authorization .............................................................................................................. 206 MIPv4 NEMO Protocol ................................................................................................................. 206 GRE Encapsulation ...................................................................................................................... 206 Session Interactions ..................................................................................................................... 207 NEMO Session Timers ................................................................................................................ 207 Enterprise-wide Route Limit Control ............................................................................................ 207 Forced Fragmentation .................................................................................................................. 207 Redundancy/Reliability ................................................................................................................ 207

LTE NEMO Call Flow ....................................................................................................................... 208 Engineering Rules ............................................................................................................................ 210 Supported Standards ....................................................................................................................... 210

NEMO Configuration ............................................................................................................................ 211 Sample Configuration ....................................................................................................................... 211 Create a VRF ................................................................................................................................... 212 Set Neighbors and Address Family .................................................................................................. 213 Redistribute Connected Routes ....................................................................................................... 213 Configure and Enable NEMO in APN Profile ................................................................................... 213 Create a NEMO HA .......................................................................................................................... 214

Configuring Subscriber Session Tracing ..................................................... 215 Introduction ........................................................................................................................................... 216

Supported Functions ........................................................................................................................ 217 Supported Standards ............................................................................................................................ 219 Subscriber Session Trace Functional Description ............................................................................... 220

Operation .......................................................................................................................................... 220 Trace Session .............................................................................................................................. 220 Trace Recording Session............................................................................................................. 220

Network Element (NE)...................................................................................................................... 220 Activation .......................................................................................................................................... 220

Management Activation ............................................................................................................... 221 Signaling Activation ...................................................................................................................... 221

Start Trigger ..................................................................................................................................... 221 Deactivation ...................................................................................................................................... 221 Stop Trigger ...................................................................................................................................... 221 Data Collection and Reporting ......................................................................................................... 221

Trace Depth ................................................................................................................................. 221 Trace Scope ................................................................................................................................. 222

Network Element Details .................................................................................................................. 222 MME ............................................................................................................................................. 222 S-GW ........................................................................................................................................... 222 P-GW ........................................................................................................................................... 223

Subscriber Session Trace Configuration .............................................................................................. 224 Enabling Subscriber Session Trace on EPC Network Element ....................................................... 224 Trace File Collection Configuration .................................................................................................. 225

Verifying Your Configuration................................................................................................................. 226

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Monitoring the Service ................................................................................... 229 Monitoring System Status and Performance ........................................................................................ 230 Clearing Statistics and Counters .......................................................................................................... 233

CoA, RADIUS DM, and Session Redirection (Hotlining) ............................. 235 RADIUS Change of Authorization and Disconnect Message ............................................................... 236

CoA Overview ................................................................................................................................... 236 DM Overview .................................................................................................................................... 236 License Requirements ...................................................................................................................... 236 Enabling CoA and DM ...................................................................................................................... 236

Enabling CoA and DM .................................................................................................................. 237 CoA and DM Attributes ................................................................................................................ 237 CoA and DM Error-Cause Attribute ............................................................................................. 238 Viewing CoA and DM Statistics ................................................................................................... 239

Session Redirection (Hotlining) ............................................................................................................ 242 Overview ........................................................................................................................................... 242

License Requirements ................................................................................................................. 242 Operation .......................................................................................................................................... 242

ACL Rule ...................................................................................................................................... 242 Redirecting Subscriber Sessions ................................................................................................. 242 Session Limits On Redirection ..................................................................................................... 243 Stopping Redirection .................................................................................................................... 243 Handling IP Fragments ................................................................................................................ 243 Recovery ...................................................................................................................................... 243 AAA Accounting ........................................................................................................................... 243

Viewing the Redirected Session Entries for a Subscriber ................................................................ 243

Direct Tunnel ................................................................................................... 249 Direct Tunnel Feature Overview ........................................................................................................... 250 Direct Tunnel Configuration .................................................................................................................. 254

Configuring Direct Tunnel Support on the SGSN ............................................................................. 254 Enabling Setup of GTP-U Direct Tunnels .................................................................................... 255 Enabling Direct Tunnel per APN .................................................................................................. 255 Enabling Direct Tunnel per IMEI .................................................................................................. 256 Enabling Direct Tunnel to Specific RNCs .................................................................................... 256 Verifying the SGSN Direct Tunnel Configuration ......................................................................... 257

Configuring S12 Direct Tunnel Support on the S-GW ...................................................................... 259

GRE Protocol Interface ................................................................................... 261 Introduction ........................................................................................................................................... 262 Supported Standards ............................................................................................................................ 263 Supported Networks and Platforms ...................................................................................................... 264 Licenses ................................................................................................................................................ 265 Services and Application on GRE Interface ......................................................................................... 266 How GRE Interface Support Works ...................................................................................................... 267

Ingress Packet Processing on GRE Interface .................................................................................. 267 Egress Packet Processing on GRE Interface .................................................................................. 269

GRE Interface Configuration................................................................................................................. 270 Virtual Routing And Forwarding (VRF) Configuration ...................................................................... 270 GRE Tunnel Interface Configuration ................................................................................................ 271 Enabling OSPF for VRF ................................................................................................................... 272 Associating IP Pool and AAA Group with VRF ................................................................................ 272 Associating APN with VRF ............................................................................................................... 273 Static Route Configuration ............................................................................................................... 273

Verifying Your Configuration ................................................................................................................. 274

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Gx Interface Support ...................................................................................... 277 Rel. 6 Gx Interface ................................................................................................................................ 278

Introduction ....................................................................................................................................... 278 Supported Networks and Platforms ............................................................................................. 278 License Requirements ................................................................................................................. 279 Supported Standards ................................................................................................................... 279

How it Works .................................................................................................................................... 279 Configuring Rel. 6 Gx Interface ........................................................................................................ 281

Configuring IMS Authorization Service at Context Level ............................................................. 281 Verifying IMS Authorization Service Configuration ...................................................................... 283 Applying IMS Authorization Service to an APN ........................................................................... 283 Verifying Subscriber Configuration .............................................................................................. 283

Rel. 7 Gx Interface ................................................................................................................................ 284 Introduction ....................................................................................................................................... 284

Supported Networks and Platforms ............................................................................................. 286 License Requirements ................................................................................................................. 286 Supported Standards ................................................................................................................... 286

Terminology and Definitions ............................................................................................................. 286 Policy Control ............................................................................................................................... 286 Charging Control .......................................................................................................................... 290 Policy and Charging Control (PCC) Rules ................................................................................... 291 PCC Procedures over Gx Reference Point ................................................................................. 293 Volume Reporting Over Gx .......................................................................................................... 295

How Rel. 7 Gx Works ....................................................................................................................... 299 Configuring Rel. 7 Gx Interface ........................................................................................................ 302

Configuring IMS Authorization Service at Context Level ............................................................. 302 Applying IMS Authorization Service to an APN ........................................................................... 305 Configuring Volume Reporting over Gx ....................................................................................... 306

Gathering Statistics .......................................................................................................................... 306 Rel. 8 Gx Interface ................................................................................................................................ 308

HA/PDSN Rel. 8 Gx Interface Support ............................................................................................. 308 Introduction .................................................................................................................................. 308 Terminology and Definitions ........................................................................................................ 310 How it Works ................................................................................................................................ 316 Configuring HA/PDSN Rel. 8 Gx Interface Support ..................................................................... 318 Gathering Statistics ...................................................................................................................... 321

P-GW Rel. 8 Gx Interface Support ................................................................................................... 322 Introduction .................................................................................................................................. 322 Terminology and Definitions ........................................................................................................ 323

Rel. 9 Gx Interface ................................................................................................................................ 328 P-GW Rel. 9 Gx Interface Support ................................................................................................... 328

Introduction .................................................................................................................................. 328 Terminology and Definitions ........................................................................................................ 328

Assume Positive for Gx ........................................................................................................................ 334 Default Policy on CCR-I Failure ....................................................................................................... 335 Gx Back off Functionality ................................................................................................................. 336 Support for Volume Reporting in Local Policy ................................................................................. 336 Support for Session Recovery and Session Synchronization .......................................................... 336 Configuring Gx Assume Positive Feature ........................................................................................ 337

Configuring Local Policy Service at Global Configuration Level.................................................. 338 Configuring Failure Handling Template at Global Configuration Level ....................................... 339 Associating Local Policy Service and Failure Handling Template ............................................... 339 Verifying Local Policy Service Configuration ............................................................................... 340

Time Reporting Over Gx ....................................................................................................................... 341

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License Requirements ...................................................................................................................... 341 Feature Overview ............................................................................................................................. 341

Limitations .................................................................................................................................... 342 Usage Monitoring ............................................................................................................................. 342

Usage Monitoring at Session Level ............................................................................................. 342 Usage Monitoring at Flow Level ................................................................................................... 342

Usage Reporting ............................................................................................................................... 343 Configuring Time Reporting over Gx ................................................................................................ 343

Gy Interface Support ...................................................................................... 345 Introduction ........................................................................................................................................... 346

License Requirements ...................................................................................................................... 347 Supported Standards........................................................................................................................ 347

Features and Terminology .................................................................................................................... 348 Charging Scenarios .......................................................................................................................... 348

Session Charging with Reservation ............................................................................................. 348 Basic Operations .......................................................................................................................... 348 Re-authorization ........................................................................................................................... 349 Threshold based Re-authorization Triggers................................................................................. 349 Termination Action ....................................................................................................................... 349

Diameter Base Protocol.................................................................................................................... 349 Diameter Credit Control Application ................................................................................................. 350

Quota Behavior ............................................................................................................................ 351 Supported AVPs ........................................................................................................................... 362 Unsupported AVPs ....................................................................................................................... 365

PLMN and Time Zone Reporting ...................................................................................................... 371 Interworking between Session-based Gy and Event-based Gy .................................................. 372

OCS Unreachable Failure Handling Feature.................................................................................... 372 Backpressure .................................................................................................................................... 374

Gy Backpressure Enhancement .................................................................................................. 374 Configuring Gy Interface Support ......................................................................................................... 376

Configuring GGSN / P-GW / IPSG Gy Interface Support ................................................................. 376 Configuring HA / PDSN Gy Interface Support .................................................................................. 377 Configuring PLMN and Time Zone Reporting .................................................................................. 379 Configuring Server Unreachable Feature......................................................................................... 381 Gathering Statistics .......................................................................................................................... 381

ICAP Interface Support ................................................................................... 383 ICAP Interface Support Overview ......................................................................................................... 384

Failure Action on Retransmitted Packets ......................................................................................... 385 Supported Networks and Platforms .................................................................................................. 386 License Requirements ...................................................................................................................... 386

Configuring ICAP Interface Support ..................................................................................................... 387 Creating ICAP Server Group and Address Binding ......................................................................... 387 Configuring ICAP Server and Other Parameters ............................................................................. 388 Configuring ECS Rulebase for ICAP Server Group ......................................................................... 388 Configuring Charging Action for ICAP Server Group ....................................................................... 389 Verifying the ICAP Server Group Configuration ............................................................................... 389

IP Network Enabler ......................................................................................... 391 Feature Description .............................................................................................................................. 392

Relationships to Other Features ....................................................................................................... 392 How it Works ......................................................................................................................................... 394

IPNE ................................................................................................................................................. 394 Architecture ...................................................................................................................................... 395

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Limitations ........................................................................................................................................ 395 Flows ................................................................................................................................................ 396 Standards Compliance ..................................................................................................................... 399

Configuring the IPNE Feature .............................................................................................................. 400 Configuring IPNE .............................................................................................................................. 400 Verifying the IPNE Configuration ..................................................................................................... 401

Monitoring the IPNE Service ................................................................................................................ 402 IPNE Show Commands.................................................................................................................... 402

show ipne peers all ...................................................................................................................... 402 show ipne statistics all ................................................................................................................. 402 show active-charging subscsribers full all .................................................................................... 402

L2TP Access Concentrator ............................................................................ 403 Applicable Products and Relevant Sections......................................................................................... 404 Supported LAC Service Configurations for PDSN Simple IP ............................................................... 405

Attribute-based Tunneling ................................................................................................................ 405 How The Attribute-based L2TP Configuration Works .................................................................. 406 Configuring Attribute-based L2TP Support for PDSN Simple IP ................................................. 406

PDSN Service-based Compulsory Tunneling .................................................................................. 407 How PDSN Service-based Compulsory Tunneling Works .......................................................... 407 Configuring L2TP Compulsory Tunneling Support for PDSN Simple IP ..................................... 408

Supported LAC Service Configurations for the GGSN and P-GW ....................................................... 410 Transparent IP PDP Context Processing with L2TP Support .......................................................... 411 Non-transparent IP PDP Context Processing with L2TP Support ................................................... 412 PPP PDP Context Processing with L2TP Support ........................................................................... 413 Configuring the GGSN or P-GW to Support L2TP ........................................................................... 414

Supported LAC Service Configuration for Mobile IP ............................................................................ 415 How The Attribute-based L2TP Configuration for MIP Works ......................................................... 415 Configuring Attribute-based L2TP Support for HA Mobile IP ........................................................... 416

Configuring Subscriber Profiles for L2TP Support ............................................................................... 418 RADIUS and Subscriber Profile Attributes Used ............................................................................. 418

RADIUS Tagging Support ............................................................................................................ 419 Configuring Local Subscriber Profiles for L2TP Support ................................................................. 419 Configuring Local Subscriber ........................................................................................................... 420 Verifying the L2TP Configuration ..................................................................................................... 420

Tunneling All Subscribers in a Specific Context Without Using RADIUS Attributes.................... 421 Configuring LAC Services .................................................................................................................... 422

Configuring LAC Service .................................................................................................................. 422 Configuring LNS Peer ...................................................................................................................... 423 Verifying the LAC Service Configuration .......................................................................................... 423

Modifying PDSN Services for L2TP Support ........................................................................................ 425 Modifying PDSN Service .................................................................................................................. 425 Verifying the PDSN Service for L2TP Support ................................................................................. 426

Modifying APN Templates to Support L2TP......................................................................................... 427 Assigning LNS Peer Address in APN Template .............................................................................. 427 Configuring Outbound Authentication .............................................................................................. 428 Verifying the APN Configuration ...................................................................................................... 428

Mobile IP Registration Revocation ................................................................ 429 Overview ............................................................................................................................................... 430 Configuring Registration Revocation .................................................................................................... 432

Configuring FA Services .................................................................................................................. 432 Configuring HA Services .................................................................................................................. 432

Multi-Protocol Label Switching (MPLS) Support ......................................... 435

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Overview ............................................................................................................................................... 436 Chassis as MPLS-CE Connecting to PE .......................................................................................... 436 Chassis as MPLS-CE Connected to ASBR...................................................................................... 437 Engineering Rules ............................................................................................................................ 437

Supported Standards ............................................................................................................................ 438 Supported Networks and Platforms ...................................................................................................... 439 Licenses ................................................................................................................................................ 440 Benefits ................................................................................................................................................. 441 Configuring BGP/MPLS VPN with Static Labels .................................................................................. 442

Create VRF with Route-distinguisher and Route-target ................................................................... 442 Set Neighbors and Enable VPNv4 Route Exchange ....................................................................... 443 Configure Address Family and Redistributed Connected Routes .................................................... 443 Configure IP Pools with MPLS Labels .............................................................................................. 444 Bind DHCP Service for Corporate Servers ...................................................................................... 444 Bind AAA Group for Corporate Servers ........................................................................................... 444

Configuring BGP/MPLS VPN with Dynamic Labels ............................................................................. 446 Create VRF with Route-distinguisher and Route-target ................................................................... 446 Set Neighbors and Enable VPNv4 Route Exchange ....................................................................... 447 Configure Address Family and Redistributed Connected Routes .................................................... 448 Configure IP Pools with MPLS Labels .............................................................................................. 448 Bind DHCP Service for Corporate Servers ...................................................................................... 448 Bind AAA Group for Corporate Servers ........................................................................................... 449 DSCP and EXP Bit Mapping ............................................................................................................ 449

PMIPv6 Heartbeat ............................................................................................ 451 Feature Description .............................................................................................................................. 452 How it Works ......................................................................................................................................... 453

PMIPv6 Heartbeat Mechanism ......................................................................................................... 453 Failure Detection .............................................................................................................................. 453 Restart Detection .............................................................................................................................. 454 Standards Compliance ..................................................................................................................... 455

Configuring PMIPv6 Heartbeat ............................................................................................................. 456 Configuring PMIPv6 MAG Heartbeat ............................................................................................... 456 Configuring PMIPv6 LMA Heartbeat ................................................................................................ 456 Verifying the PMIPv6 Heartbeat Configuration ................................................................................ 457

show mag-service name ..................................................................................... 457 show lma-service name ........................................................................................ 457

Monitoring and Troubleshooting the PMIPv6 Heartbeat ...................................................................... 458 PMIPv6 Heartbeat Show Commands ............................................................................................... 458

show mag-service statistics ......................................................................................................... 458 show lma-service statistics ........................................................................................................... 459

PMIPv6 Heartbeat Traps on failure detection .................................................................................. 459 PMIPv6 Path Failure Trap ............................................................................................................ 459 PMIPv6 Path Failure Clear Trap .................................................................................................. 460

PMIPv6 Heartbeat Bulk Statistics ..................................................................................................... 460 MAG schema ............................................................................................................................... 460 LMA Schema ................................................................................................................................ 461

Proxy-Mobile IP ............................................................................................... 463 Overview ............................................................................................................................................... 464

Proxy Mobile IP in 3GPP2 Service ................................................................................................... 465 Proxy Mobile IP in 3GPP Service ..................................................................................................... 465 Proxy Mobile IP in WiMAX Service .................................................................................................. 466

How Proxy Mobile IP Works in 3GPP2 Network .................................................................................. 467 Scenario 1: AAA server and PDSN/FA Allocate IP Address ............................................................ 467

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Scenario 2: HA Allocates IP Address ............................................................................................... 469 How Proxy Mobile IP Works in 3GPP Network .................................................................................... 472 How Proxy Mobile IP Works in WiMAX Network .................................................................................. 475

Scenario 1: AAA server and ASN GW/FA Allocate IP Address ....................................................... 475 Scenario 2: HA Allocates IP Address ............................................................................................... 477

How Proxy Mobile IP Works in a WiFi Network with Multiple Authentication ....................................... 480 Configuring Proxy Mobile-IP Support ................................................................................................... 485

Configuring FA Services .................................................................................................................. 485 Verify the FA Service Configuration ................................................................................................. 486 Configuring Proxy MIP HA Failover ................................................................................................. 486 Configuring HA Services .................................................................................................................. 487 Configuring Subscriber Profile RADIUS Attributes .......................................................................... 488

RADIUS Attributes Required for Proxy Mobile IP ........................................................................ 488 Configuring Local Subscriber Profiles for Proxy-MIP on a PDSN ............................................... 489 Configuring Local Subscriber Profiles for Proxy-MIP on a PDIF ................................................. 490 Configuring Default Subscriber Parameters in Home Agent Context .......................................... 490 Configuring APN Parameters....................................................................................................... 490

Rf Interface Support ....................................................................................... 493 Introduction ........................................................................................................................................... 494

Offline Charging Architecture ........................................................................................................... 494 Charging Collection Function ....................................................................................................... 496 Charging Trigger Function ........................................................................................................... 496 Dynamic Routing Agent ............................................................................................................... 496

License Requirements...................................................................................................................... 496 Supported Standards ....................................................................................................................... 496

Features and Terminology.................................................................................................................... 498 Offline Charging Scenarios .............................................................................................................. 498

Basic Principles ............................................................................................................................ 498 Event Based Charging ................................................................................................................. 499 Session Based Charging ............................................................................................................. 499

Diameter Base Protocol ................................................................................................................... 500 Timer Expiry Behavior ...................................................................................................................... 501 Rf Interface Failures/Error Conditions .............................................................................................. 501

DRA/CCF Connection Failure ...................................................................................................... 501 No Reply from CCF ...................................................................................................................... 501 Detection of Message Duplication ............................................................................................... 501 CCF Detected Failure .................................................................................................................. 501

Rf-Gy Synchronization Enhancements ............................................................................................ 502 Cessation of Rf Records When UE is IDLE ..................................................................................... 502

How it Works ........................................................................................................................................ 504 Configuring Rf Interface Support .......................................................................................................... 506

Enabling Rf Interface in Active Charging Service ............................................................................ 506 Configuring GGSN / P-GW Rf Interface Support ............................................................................. 507 Configuring HSGW Rf Interface Support ......................................................................................... 514 Configuring P-CSCF/S-CSCF Rf Interface Support ......................................................................... 524

Enabling Charging for SIP Methods ............................................................................................ 525 Configuring S-GW Rf Interface Support ........................................................................................... 526 Gathering Statistics .......................................................................................................................... 537

S-GW Restoration Support ............................................................................ 541 Feature Description .............................................................................................................................. 542

Relationships to Other Features ...................................................................................................... 542 How it Works ........................................................................................................................................ 543

Changes at P-GW ............................................................................................................................ 543

Contents

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Changes at the E-GTPC................................................................................................................... 543 Changes at the MME and SGSN ..................................................................................................... 543 Demux Failure Detection .................................................................................................................. 543 Standards Compliance ..................................................................................................................... 544

Configuring S-GW Restoration Support ............................................................................................... 545 Sample Configuration ....................................................................................................................... 545 Verifying the S-GW Configuration .................................................................................................... 545

Monitoring and Troubleshooting S-GW Restoration Support ............................................................... 547 S-GW Show Commands .................................................................................................................. 547

show ims-authorization policy-control statistics ........................................................................... 547 show pgw-service statistics all ..................................................................................................... 547 show subscribers pgw-only full all ................................................................................................ 547

Traffic Policing and Shaping ......................................................................... 549 Overview ............................................................................................................................................... 550

Traffic Policing .................................................................................................................................. 550 Traffic Shaping ................................................................................................................................. 550

Traffic Policing Configuration ................................................................................................................ 551 Configuring Subscribers for Traffic Policing ..................................................................................... 551 Configuring APN for Traffic Policing in 3GPP Networks .................................................................. 552

Traffic Shaping Configuration ............................................................................................................... 554 Configuring Subscribers for Traffic Shaping .................................................................................... 554 Configuring APN for Traffic Shaping in 3GPP Networks .................................................................. 555

RADIUS Attributes ................................................................................................................................ 558 Traffic Policing for CDMA Subscribers ............................................................................................. 558 Traffic Policing for UMTS Subscribers ............................................................................................. 559

P-GW Engineering Rules ................................................................................ 561 Interface and Port Rules ....................................................................................................................... 562

S2a Interface Rules .......................................................................................................................... 562 LMA to MAG ................................................................................................................................. 562

S5/S8 Interface Rules (GTP) ............................................................................................................ 562 P-GW Context and Service Rules ........................................................................................................ 563 P-GW Subscriber Rules ........................................................................................................................ 564

P-GW Administration Guide, StarOS Release 17 xv

About this Guide

This preface describes the P-GW Administration Guide, how it is organized, and its document conventions.

Packet Data Network Gateway (P-GW) is a StarOS application that runs on Cisco ASR 5x00 and virtualized

platforms.

This preface includes the following sections:

Conventions Used

Supported Documents and Resources

Contacting Customer Support

About this Guide

Conventions Used

P-GW Administration Guide, StarOS Release 17

xvi

Conventions Used The following tables describe the conventions used throughout this documentation.

Icon Notice Type Description

Information Note Provides information about important features or instructions.

Caution Alerts you of potential damage to a program, device, or system.

Warning Alerts you of potential personal injury or fatality. May also alert you of potential electrical hazards.

Typeface Conventions Description

Text represented as a screen

display

This typeface represents displays that appear on your terminal screen, for example: Login:

Text represented as commands This typeface represents commands that you enter, for example: show ip access-list

This document always gives the full form of a command in lowercase letters. Commands are not case sensitive.

Text represented as a command variable

This typeface represents a variable that is part of a command, for example: show card slot_number

slot_number is a variable representing the desired chassis slot number.

Text represented as menu or sub-menu names

This typeface represents menus and sub-menus that you access within a software application, for example:

Click the File menu, then click New

About this Guide

Supported Documents and Resources

P-GW Administration Guide, StarOS