Cisco ASR 5000 Series Administration Manual
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Cisco ASR 5000 Series Administration Manual

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  • Page 2 ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks.

  • Page 3: Table Of Contents

    Common Gateway Access Support ........................39 Converged DSL Support on the GGSN ......................40 Dynamic RADIUS Extensions (Change of Authorization) ................40 GRE Protocol Interface Support ........................41 Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 4 Mobile IP Configuration Examples ..............111 Example 1: Mobile IP Support Using the System as a GGSN/FA ............... 112 Information Required ............................113 Source Context Configuration ........................113 ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 5 FA Services Configuration ........................... 184 FA Service Creation ............................184 IP Interface and UDP Port Binding for Pi Interface ..................185 Security Parameter Index (SPI) Configuration ....................186 Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 6 Mobile-IP and Proxy-MIP Timer Considerations.......... 227 Call Flow Summary ............................. 228 Timer Values and Recommendations ........................231 Controlling the Mobile IP Lifetime on a Per-Domain Basis ................232 ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 7: About This Guide

    About this Guide This document pertains to features and functionality that run on and/or that are related to the Cisco® ASR 5000 Chassis, formerly the Starent Networks ST40. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 8: Conventions Used

    Required keywords and variables are surrounded by grouped brackets. Required keywords and variables are those components that are required to be entered as part of the command syntax. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 9 (also known as a pipe filter). Pipe filters can be used in conjunction with required or optional keywords or variables. For example: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 10: Contacting Customer Support

    Use the information in this section to contact customer support. For New Customers: Refer to the support area of http://www.cisco.com for up-to-date product documentation or to submit a service request. A valid username and password is required to this site. Please contact your local sales or service representative for additional information.

  • Page 11: Ggsn Support In Gprs/Umts Wireless Data Services

    Chapter 1 GGSN Support in GPRS/UMTS Wireless Data Services The Cisco® ASR 5000 chassis provides wireless carriers with a flexible solution that functions as a Gateway GPRS Support Node (GGSN) in General Packet Radio Service (GPRS) or Universal Mobile Telecommunications System (UMTS) wireless data networks.

  • Page 12: Product Description

    In accordance with RFC 2002, the FA is responsible for mobile node registration with, and the tunneling of data traffic to/from the subscriber‟s home network. The HA is also responsible for tunneling traffic, but also maintains subscriber location information in Mobility Binding Records (MBRs). ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 13: Product Specification

    Packet Processing Cards (PSCs/PSC2s/PPCs): In the ASR 5000 platform, packet processing cards provide high-speed, multi-threaded PDP context processing capabilities for GGSN services. Up to 14 packet processing cards can be installed, allowing for multiple active and/or redundant cards. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 14: Operating System Requirements

    GPRS/UMTS wireless data services is located in the Hardware Platform Overview chapter of the Product Overview Guide. Operating System Requirements The GGSN is available for ASR 5000 chassis running StarOS™ Release 7.1 or later. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 15: Network Deployment And Interfaces

    The figures that follow display simplified network views of the GGSN in a GPRS/UMTS network and the system supporting Mobile IP and Proxy Mobile IP function both the GGSN/Foreign Agent (FA) and GGSN/FA/Home Agent (HA) combinations respectively. Figure 2. Basic GPRS/UMTS Network Topology Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 16: Supported Interfaces

    Figure 3. Combined GGSN/FA Deployment for Mobile IP and/or Proxy Mobile IP Support Figure 4. Combined GGSN/FA/HA Deployment for Mobile IP and/or Proxy Mobile IP Support Supported Interfaces ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 17 DHCP: This is the interface used by the GGSN to communicate with a Dynamic Host Control Protocol (DHCP) Server. The system can be configured as DHCP-Proxy or DHCP Client to provide IP addresses to MS on PDP contexts activation the DHCP server dynamically. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 18 Common Gateway Access Support in guide. Important: GGSN Software also supports additional interfaces. For more information on additional interfaces, refer Features and Functionality - Optional Enhanced Feature Software section. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 19: Features And Functionality - Base Software

    RADIUS VLAN Support Routing Protocol Support Support of Charging Characteristics Provided by AAA Server Support of all GGSN generated causes for partial G-CDR closure Threshold Crossing Alerts (TCA) Support Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 20: 16,000 Sgsn Support

    Once configured, an ACL can be applied to any of the following: An individual interface All traffic facilitated by a context (known as a policy ACL) An individual subscriber All subscriber sessions facilitated by a specific context ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 21: Ansi T1.276 Compliance

    Extensive parameter configuration flexibility for the APN. Creation of subscriber tiers for individual subscribers or sets of subscribers within the APN. Virtual APNs to allow differentiated services within a single APN. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 22: Bulk Statistics Support

    Bulk statistics are statistics that are collected in a group. The individual statistics are grouped by schema. The following schemas are supported for GGSN service: System: Provides system-level statistics ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 23: Direct Tunnel Support

    (GTP-U) tunnel directly between RNC and GGSN (using an Update PDP Context Request towards the GGSN). The following figure illustrates the working of Direct Tunnel between RNC and GGSN. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 24: Dhcp Support

    GGSNs are capable of handling the additional control plane loads introduced of part of Direct Tunnel deployment. The Cisco GGSN and SGSN offers massive control plane transaction capabilities, ensuring system control plane capacity will not be a capacity limiting factor once Direct Tunnel is deployed.

  • Page 25: Dscp Marking

    The selected V-APN may further require AAA authentication (and accounting) with its own servers. GTPP Support Support for the GPRS Tunnelling Protocol Prime (GTPP) in accordance with the following standards: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 26: Host Route Advertisement

    As calls come up, and addresses from this pool (with the “explicit-route-advertise” flag) are used, the assigned addresses are added to the routing table and these addresses can be advertised by OSPF or BGP through the network or the “redistribute connected” command. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 27: Ip Policy Forwarding

    For more information on IP Policy Forwarding configuration, refer Policy Forwarding chapter in System Enhanced Feature Configuration Guide. IP Header Compression - Van Jacobson Implementing IP header compression provides the following benefits: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 28: Ipv6 Support

    3GPP TS 27.060: Mobile Station Supporting Packet Switched Services 3GPP TS 29.061: Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based Services and Packet Data Networks (PDN) ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 29: Management System Overview

    There are multiple ways to manage the system either locally or remotely using its out-of-band management interfaces. These include: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 30 Can be easily integrated with higher-level network, service, and business layer applications using the Object Management Group's (OMG‟s) Interface Definition Language (IDL) The following figure demonstrates these various element management options and how they can be utilized within the wireless carrier network. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 31: Overlapping Ip Address Pool Support

    Overlapping IP Address Pools provides a mechanism for allowing operators to more flexibly support multiple corporate VPN customers with the same private IP address space without the expensive investments in physically separate routers, or expensive configurations using virtual routers. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 32: Pdp Context Support

    Accounting protocol (GTPP or RADIUS Authentication protocol (CHAP, MSCHAP, PAP, MSID-based) Charging characteristics (use SGSN-supplied or use configured) IP address allocation method (static or dynamic) PDP Context timers ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 33: Per Apn Configuration To Swap Out Gn To Gi Apn In Cdrs

    For more information on enhanced charging service, refer Enhanced Charging Service Administration Guide. Quality of Service Support Provides operator control over the prioritization of different types of traffic. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 34: Radius Support

    AAA messages across the configured AAA servers for new sessions. Once a session is established and an AAA server has been selected, all subsequent AAA messages for the session will be delivered to the same server. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 35: Radius Vlan Support

    Previously, the above scenarios were supported, albeit only when the overlapping addresses were configured in different contexts. Moreover a static route was required in each context for IP connectivity to the RADIUS server. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 36: Routing Protocol Support

    BGP route policy and path selection is supported by the following means: Prefix match based on route access list AS path access-list ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 37: Support Of Charging Characteristics Provided By Aaa Server

    System handles the GGSN generated causes for partial closure of CDRs. It supports various type of causes including Radio Access Technology Change, MS Time Zone Change, Cell update, inter-PLMN SGSN change, PLMN id change, QoS, Routing-Area update etc. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 38: Threshold Crossing Alerts (Tca) Support

    Web Element Manager. The Alarm System is used only in conjunction with the Alarm model. Important: For more information on threshold crossing alert configuration, refer Thresholding Configuration Guide. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 39: Features And Functionality - Optional Enhanced Feature Software

    In todays scenario an operator must have multiple access networks (CDMA, eHRPD and LTE) plus a GSM/UMTS solution for international roaming. Therefore, operator requires a solution to allow customers to access services with the Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 40: Converged Dsl Support On The Ggsn

    Radius Change of Authorization (CoA) extension. Important: For more information on dynamic RADIUS extensions support, refer CoA, RADIUS, And Session Redirection (Hotlining) chapter in System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 41: Gre Protocol Interface Support

    The most simplified form of the deployment scenario is shown in the following figure, in which GGSN has two APNs talking to two corporate networks over GRE tunnels. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 42: Gx Interface Support

    Network GRE Tunnel GGSN IPv4 Network GRE Tunnel Corporate B Corporate B network gateway Gx Interface Support Gx interface support on the system enables the wireless operator to: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 43: Inter-Chassis Session Recovery

    The ASR 5000 provides industry leading carrier class redundancy. The systems protects against all single points of failure (hardware and software) and attempts to recover to an operational state when multiple simultaneous failures occur. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 44 The checkpoint parameter determines the amount of time a session must be active before it is included in the checkpoint message. Important: For more information on inter-chassis session recovery support, refer Interchassis Session Recovery chapter in System Enhanced Feature Configuration Guide. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 45: Ip Security (Ipsec)

    IPSec is supported for the new subscriber sessions. Data for existing Mobile IP sessions will be unaffected. L2TP: L2TP-encapsulated packets are routed from the system to an LNS/secure gateway over an IPSec tunnel. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 46: Ipv6 Support

    The existing IPv4 model of interface and route notification will be extended to support IPv6. This feature allows IPv6 subscribers to connect via the GPRS/UMTS infrastructure in accordance with the following standards: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 47 IPv6 Interface. Important: Native IPv6 is available only on ASR 5000 or higher platforms. In Release 9.0 Native IPv6 is available on the GGSN. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 48: L2Tp Lac Support

    The system supports the Lawful Interception (LI) of subscriber session information. This functionality provides Telecommunication Service Providers (TSPs) with a mechanism to assist Law Enforcement Agencies (LEAs) in the monitoring of suspicious individuals (referred to as targets) for potential criminal activity. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 49: Mobile Ip Home And Foreign Agents

    Mobile IP signaling in the 3GPP radio access network. This functionality provides the following benefits: Timely release of Mobile IP resources at the FA and/or HA Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 50: Mobile Ip Nat Traversal

    UDP tunneling subject to subscriber reservation requests. In this application, the HA uses IP UDP tunneling to reach the mobile subscriber and includes the same private address that was provided in original reservation request in the encapsulated IP payload packet header. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 51: Multimedia Broadcast Multicast Services Support

    This means that when operators charge the subscribers based on G-CDR the subscribers may be overcharged. This feature is implemented to avoid the overcharging in such cases. This implementation is based on Cisco-specific private extension to GTP messages and/or any co-relation of G-CDRs and S-CDRs. It also does not modify any RANAP messages.

  • Page 52: Proxy Mobile Ip

    SGSNs to permit inter-SGSN call hand-offs with cellular access networks. The Cisco Session Persistence Solution maintains consistent user identities and application transparency for your mobile subscribers as they roam across bearer access networks. This is accomplished through the integration of Home Agent (HA) and GGSN functionality on the wireless access gateway in the packet network and the use of standards-based protocols such as Mobile IP and Mobile IP NAT Traversal.

  • Page 53: Session Recovery Support

    Session/Call state information is saved in the peer AAA manager task because each AAA manager and session manager task is paired together. These pairs are started on physically different Ppacket processing cards to ensure task recovery. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 54: Traffic Policing And Rate Limiting

    The APN on the GGSN can be configured with actions to take for red and yellow packets. Any of the following actions may be specified: Drop: The offending packet is discarded. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 55: Web Element Management System

    CORBA interfaces. The server component is fully compatible with the fault-tolerant Sun® Solaris® operating system. The following figure demonstrates various interfaces between the Cisco Web Element Manager and other network components. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄...
  • Page 56 ▀ Features and Functionality - Optional Enhanced Feature Software Figure 9. Web Element Manager Network Interfaces Important: For more information on on WEM support, refer WEM Installation and Administration Guide. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 57: How Ggsn Works

    Statically: The APN template can be configured to provide support for MS-requested static IP addresses. Additionally, a static address can be configured in a subscriber‟s profile on an authentication server and allocated upon successful authentication. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 58: Dynamic Ip Address Assignment

    APN‟s use of addresses from public pools. Dynamic Host Control Protocol (DHCP): The system can be configured to use DHCP PDP context address assignment using either of the following mechanisms: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 59: Subscriber Session Call Flows

    GGSN during stateless address auto-configuration procedure (e.g., during the initial router advertisement messages). Once this is over, the mobile can select any interface ID for further communication as long as it Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 60: Transparent Session Ip Call Flow

    Transparent Session IP Call Flow The following figure and the text that follows describe the call flow for a successful transparent data session. Figure 10. Transparent IP Session Call Flow ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 61: Non-Transparent Ip Session Call Flow

    11. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Non-Transparent IP Session Call Flow The following figure and the text that follows describe the call flow for a successful non-transparent data session. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 62 MS to place it into PPP mode. The Link Control Protocol (LCP is then used to configure the Maximum-Receive Unit size and the authentication protocol (Challenge-Handshake Authentication Protocol (CHAP), Password Authentication ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 63 SGSN. If the PDP context was the last associated with a particular dynamically assigned PDP Address, the GGSN will re-claim the IP address for use by subsequent PDP contexts. 13. The SGSN returns a Deactivate PDP Context Accept message to the MS. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 64: Network-Initiated Session Call Flow

    2. The GGSN may issue a Send Routing Information for GPRS request to the HLR to determine if the MS is reachable. The message includes the MS‟s International Mobile Subscriber Identity (IMSI). ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 65: Ppp Direct Access Call Flow

    PPP Direct Access Call Flow The following figure and the text that follows describe the call flow for a successful PPP Direct Access data session. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 66 Network layer Service Access Point Identifier (NSAPI), PDP Type, PDP Address, Access Point Name (APN), Quality of Service (QoS) requested, and PDP configuration options. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 67: Virtual Dialup Access Call Flow

    15. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Virtual Dialup Access Call Flow The following figure and the text that follows describe the call flow for a successful VPN Dialup Access data session. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 68 3. The SGSN authenticates the request message and sends a Create PDP Context Request message to a GGSN using the GPRS Tunneling Protocol (GTPC, “C” indicates the control signaling aspect of the protocol). The ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 69: Corporate Ip Vpn Connectivity Call Flow

    14. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Corporate IP VPN Connectivity Call Flow The following figure and the text that follows describe the call flow for a successful Corporate IP Connectivity data session. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 70 Network layer Service Access Point Identifier (NSAPI), PDP Type, PDP Address, Access Point Name (APN), Quality of Service (QoS) requested, and PDP configuration options. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 71: Mobile Ip Call Flow

    13. For each accounting message received from the GGSN, the CG responds with an acknowledgement. Mobile IP Call Flow The following figure and the text that follows describe the call flow for a successful Corporate IP Connectivity data session. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 72 GGSN Support in GPRS/UMTS Wireless Data Services ▀ How GGSN Works Figure 16. Mobile IP Call Flow ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 73 0.0.0.0 as its home address. Additionally, the request must always include the Network Access Identifier (NAI) in a Mobile-Node-NAI Extension. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 74: Proxy Mobile Ip Call Flows

    The following figure and the text that follows describe a sample successful Proxy Mobile IP session setup call flow in which the MS receives its IP address from the HA. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 75 How GGSN Works ▀ Figure 17. HA Assigned IP Address Proxy Mobile IP Call Flow 1. The Mobile Station (MS) goes through the process of attaching itself to the GPRS/UMTS network. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 76 11. The SGSN returns an Activate PDP Context Accept message to the MS. The message includes response to the configuration parameters sent in the initial request. 12. The MT, will respond to the TE‟s IPCP Config-request with an IPCP Config-Ack message. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 77: Ipv6 Stateless Address Autoconfiguration Flows

    The following figure and the text that follows describe a sample IPv6 stateless address auto configuration session setup call flow in which the MS receives its IP address from the RADIUS DHCP server. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 78 PDP context activation or it generates a new interface identifier. There is no restriction on the value of the interface identifier of the global or site-local unicast address, since the prefix is unique. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 79: Supported Standards

    Network and Terminals; Policy and Charging Control signalling flows and QoS parameter mapping; (Release 3GPP TR 29.846 6.0.0 (2004-09) 3rd Generation Partnership Project, Technical Specification Group Core Networks; Multimedia Broadcast/Multicast Service (MBMS); CN1 procedure description (Release 6) Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 80: Ietf References

    RFC-1224, Techniques for managing asynchronously generated alerts, May 1991 RFC-1256, ICMP Router Discovery Messages, September 1991 RFC-1305, Network Time Protocol (Version 3) Specification, Implementation and Analysis, March 1992 ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 81 RFC-2211, Specification of the Controlled-Load Network Element Service RFC-2246, The Transport Layer Security (TLS) Protocol Version 1.0, January 1999 RFC-2290, Mobile-IPv4 Configuration Option for PPP IPCP, February 1998 Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 82 RFC-2867, RADIUS Accounting Modifications for Tunnel Protocol Support, June 2000 RFC-2868, RADIUS Attributes for Tunnel Protocol Support, June 2000 RFC-2869, RADIUS Extensions, June 2000 RFC-3007, Secure Domain Name System (DNS) Dynamic Update, November 2000 ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 83: Object Management Group (Omg) Standards

    Draft, Route Optimization in Mobile IP Draft, Generalized Key Distribution Extensions for Mobile IP Draft, AAA Keys for Mobile IP Object Management Group (OMG) Standards CORBA 2.6 Specification 01-09-35, Object Management Group Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 85: Understanding The Service Operation

    Prior to connecting to the command line interface (CLI) and beginning the system's configuration, there are important things to understand about how the system supports these applications. This chapter provides terminology and background information that must be considered before attempting to configure the system. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 86: Terminology

    For administrative users, authentication functionality can either be configured in the local context or be authenticated in the same context as subscribers. Accounting context: This context provides accounting functionality for subscriber PDP contexts and/or administrative user sessions. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 87: Logical Interfaces

    GGSN charging detail records (G-CDRs) received from the GGSN for each PDP context to the billing system. The GGSN communicates with the CGs on the PLMN using GTP Prime (GTPP). Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 88: Bindings

    A binding is an association between “elements” within the system. There are two types of bindings: static and dynamic. Static binding is accomplished through the configuration of the system. Static bindings are used to associate: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 89: Services

    PDP contexts through the use of the Dynamic Host Configuration Protocol (DHCP). Following figure illustrates the relationship between services, interfaces, and contexts within the system for GPRS/UMTS networks. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 90 If GTPP-based accounting is enabled, the system uses the source context for accounting. That context may be overridden by configuring a different accounting context to use in the GGSN service configuration. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 91: How The System Selects Contexts

    If GTPP-based accounting is enabled, the system uses the source context for accounting. That context may be overridden by configuring a different accounting context to use in the GGSN service configuration. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 93: Ggsn Configuration Example

    IP address pools Gi interface to the packet data network (PDN) This configuration supports IP (transparent and non-transparent) and PPP PDP contexts as well as network requested PDP contexts. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 94 Dest. Ctx. Ctx. Auth. GTPP Cfg. Cfg. Net. Req. DHCP Context (Ctx.) PDP Ctx. Cfg. Cfg. Interface GGSN- Service or Cfg. Service Configuration (Cfg.) IP Address Pool Cfg. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 95: Information Required

    An identification string from 1 to 63 characters (alpha and/or numeric) by which the GGSN service will be recognized by the system. Multiple names are needed if multiple GGSN services will be used. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 96 (1-24) and the minute (1-60). Prepaid accounting can be disabled for a specified profile index. The system supports the configuration of up to 16 profile indexes numbered 0 through 15 ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 97 The following optional fields can be specified/configured in CDRs generated by the GGSN: diagnostics duration-ms (the time specified in the mandatory Duration field is reported in milliseconds) local-record-sequence-number plmn-id Network Requested PDP Context Support Configuration (optional) Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 98: Destination Context Configuration

    If the GGSN is to use its own CC for any of these scenarios, then each scenario requires the specification of behavior bits and a profile index to use. NOTE: The profile index parameters are configured as part of the GGSN service. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 99 For example, port 17/1 identifies connector number 1 on the card in slot 17. A single physical port can facilitate multiple interfaces. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 100 Shared Secret: The shared secret is a string between 1 and 15 characters (alpha and/or numeric) that specifies the key that is exchanged between the RADIUS authentication server and the source context. A shared secret is needed for each configured RADIUS server. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 101 This is an identification string from 1 to 31 characters (alpha and/or numeric) by which the physical port will be recognized by the system. Multiple descriptions will be needed if multiple ports will be used. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 102 A range of addresses configured using the first and last IP addresses in the range The pool can be configured as public, private, or static. Public pools can also be assigned a priority. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 103: How This Configuration Works

    The following figure and the text that follows describe how this configuration with a single source and destination context would be used by the system to process a transparent IP PDP context. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 104 If so, it determines how to process the session based on the configuration of the APN. 4. If the MS requires a dynamically assigned address, the GGSN assigns one from those stored in its memory cache. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 105: Non-Transparent Ip Pdp Context Processing

    The following figure and the text that follows describe how this configuration with a single source and destination context would be used by the system to process a non-transparent IP PDP context. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 106 If so, it determines how to process the session based on the configuration of the APN. 4. If the MS requires a dynamically assigned address, the GGSN assigns one from those stored in its memory cache. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 107: Ppp Pdp Context Processing

    The following figure and the following text describe how this configuration with a single source and destination context would be used by the system to process a PPP PDP context. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 108 5. The MS and GGSN negotiate PPP. 6. The GGSN authenticates the subscriber as part of the PPP negotiation by communicating with a RADIUS server over the AAA interface. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 109: Network-Requested Pdp Context Processing

    Dest. Ctx. Ctx. Auth. GTPP Cfg. Cfg. Net. Req. DHCP Context (Ctx.) PDP Ctx. Cfg. Cfg. Interface GGSN- Service or Cfg. Service Configuration (Cfg.) IP Address Pool Cfg. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 110 10. The MS sends/receives data to/from the packet data network over the GGSN‟s PDN interface. 11. Upon termination of the subscriber session, the GGSN sends GGSN charging detail records to the CGF using GTPP over the Ga interface. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 111: Mobile Ip Configuration Examples

    Command Line Reference. Important: When configuring Mobile IP take into account the MIP timing considerations discussed in Mobile-IP and Proxy-MIP Timer Considerations appendix. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 112: Example 1: Mobile Ip Support Using The System As A Ggsn/Fa

    The optional destination context will allow the routing of data from the mobile node to the packet data network by facilitating a packet data network (PDN) interface. This context will be used only if reverse tunneling is disabled. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 113: Information Required

    Source Context Configuration The following table lists the information that is required to configure the source context. Table 3. Required Information for Source Context Configuration Required Information Description Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 114 The GGSN can be configured with information about the SGSN(s) that it is to communicate with. (optional) This includes the SGSN‟s IP address and subnet mask and whether or not the SGSN is on a foreign PLMN.Multiple SGSNs can be configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 115 For example, port 17/1 identifies connector number 1 on the card in slot 17. A single physical port can facilitate multiple interfaces. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 116: Aaa Context Configuration

    62 alpha and/or numeric characters and is not case sensitive. It may also contain dots ( . ) and/or dashes ( - ). Multiple names are needed if multiple APNs will be used. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 117 Multiple names are needed if multiple interfaces will be configured. IP address and subnet These will be assigned to the AAA interface. Multiple addresses and/or subnets are needed if multiple interfaces will be configured. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 118 RADIUS server. The name must be from 1 to 32 alpha and/or numeric characters and is case sensitive. RADIUS NAS IP address Specifies the IP address of the system‟s AAA interface. A secondary address can be optionally configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 119: Mobile Ip Destination Context Configuration

    Secrets: Specifies the shared SPI secret between the FA service and the HA. The secret can be between 1 and 127 characters (alpha and/or numeric).An SPI secret is required for each SPI configured. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 120: Optional Destination Context Configuration

    1) reverse tunneling is disabled in the FA service, or 2) if access control lists (ACLs) are used Important: If ACLs are used, the destination context would only consist of the ACL configuration. Interface configuration would not be required. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 121: How This Configuration Works

    The following figure and the text that follows describe how this configuration with a single source and destination context would be used by the system to process a Mobile IP data call. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 122 FA parameters needed by the mobile such as one or more card-of addresses. The message is sent as an IP limited broadcast message (i.e. destination address 255.255.255.255), however only on the requesting MS‟s TEID to avoid broadcast over the radio interface. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 123 10. The MS sends/receives data to/from the packet data network over the GGSN‟s PDN interface. 11. Upon termination of the subscriber session, the GGSN sends GGSN charging detail records to the CGF using GTPP over the Ga interface. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 124: Example 2: Mobile Ip Support Using The System As An Ha

    AAA Server AAA Server Packet Data Network Packet Data Network GGSN/FA AAA Cfg. Service Def. Sub. Source Destination Context (Ctx.) Ctx. Ctx. Interface Local Ctx. Service or Configuration (Cfg.) ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 125: Information Required

    The port used by the HA service and the FA for communications. The UDP port number and can be Mobile IP traffic any integer value from 1 to 65535. The default value is 434. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 126 NAI and Home address. The number can be configured to any integer value between 1 and 5. The default is 3. AAA Interface Configuration ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 127 Specifies the name by which the source context will be identified in the Access-Request message(s) it Identifier sends to the RADIUS server. The name must be from 1 to 32 alpha and/or numeric characters and is case sensitive. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 128: Destination Context Configuration

    Each IP address pool is identified by a name. The pool name can be between 1 and 31 alpha and/or numeric name characters and is case sensitive. IP address pools are configured in the destination context(s). Multiple address pools can be configured within a single context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 129: How This Configuration Works

    The following figure and the text that follows describe how this configuration with a single source and destination context would be used by the system to process a Mobile IP data call. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 130 For this example, the result of this process is that the HA service determined that AAA functionality should be provided by the Source context. 3. The system then communicates with the Home AAA server specified in the Source context‟s AAA configuration to authenticate the subscriber. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 131 6. Data traffic for the subscriber session is then routed through the PDN interface in the Destination context. 7. Accounting messages for the session are sent to the AAA server over the AAA interface. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 132: Example 3: Ha Using A Single Source Context And Multiple Outsourced Destination Contexts

    The AAA servers could by owned/maintained by either the carrier or the domain. If they are owned by the domain, the carrier will have to receive the AAA information via proxy. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 133 AAA interface(s) and to provide AAA functionality for that domain. In addition to the source and destination contexts, there are additional system-level AAA parameters that must be configured. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 134: Information Required

    The port used by the HA service and the FA for communications. The UDP port number and can be Mobile IP traffic any integer value from 1 to 65535. The default value is 434. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 135 NAI and Home address. The number can be configured to any integer value between 1 and 5. The default is 3. AAA Interface Configuration Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 136 Specifies the name by which the source context will be identified in the Access-Request message(s) it Identifier sends to the RADIUS server. The name must be from 1 to 32 alpha and/or numeric characters and is case sensitive. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 137: Destination Context Configuration

    Each IP address pool is identified by a name. The pool name can be between 1 and 31 alpha and/or name numeric characters and is case sensitive. IP address pools are configured in the destination context(s). Multiple address pools can be configured within a single context. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 138 UDP Port Number: Specifies the port used by the source context and the RADIUS Accounting server for communications. The UDP port number can be any integer value between 1 and 65535. The default value is 1813. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 139: System-Level Aaa Configuration

    For example, if the default username format was used, then for the username string user1@enterprise@isp1, the system resolves to the username user1@enterprise with domain isp1. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 140: How This Configuration Works

    Interface Sub. Def. Domain Cfg. Service or Sub. Last Configuration (Cfg.) Resort Ctx. 7a-c 1. The system-level AAA settings were configured as follows: Subscriber default domain name = ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 141 8. Data traffic for the subscriber session is then routed through the PDN interface in the each subscriber‟s destination context. 9. Accounting messages for the session are sent to the AAA server over the appropriate AAA interface. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 143: Ggsn And Mobile Ip Service In A Single System Configuration Example143

    This chapter does not discuss the configuration of the local context. Information about the local context can be found in System Administration Guide. Important: When configuring Mobile IP take into account the MIP timing considerations discussed in Mobile-IP and Proxy-MIP Timer Considerations. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 144: Using The System As Both A Ggsn/Fa And An Ha

    This configuration supports IP (transparent and non-transparent) and PPP PDP contexts as well as network requested PDP contexts. In addition, Mobile IP and Proxy Mobile IP are supported for IP PDP contexts. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 145: Information Required

    Prior to configuring the system as shown in this example, there is a minimum amount of information required. The following sections describe the required information to configure the source and destination contexts. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 146: Source Context Configuration

    The GGSN can be configured with information about the SGSN(s) that it is to communicate with. This (optional) includes the SGSN‟s IP address and subnet mask and whether or not the SGSN is on a foreign PLMN. Multiple SGSNs can be configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 147 For example, port 17/1 identifies connector number 1 on the card in slot 17. A single physical port can facilitate multiple interfaces. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 148: Destination Context Configuration

    The IP address of the map node must be configured. Only one GSN-map node can be configured per source context. Destination Context Configuration The following table lists the information that is required to configure the destination context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 149 The maximum number of PDP contexts that are supported for the APN.The maximum number can be PDP contexts configured to any integer value from 1 to 1000000. The default is 1000000. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 150 The IP address of each DHCP server that the system is to communicate with must be configured Information .Multiple servers can be configured. If multiple servers are configured, each can be assigned a priority from 1 to 1000. The default priority is 1. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 151 UDP Port Number:Specifies the port used by the source context and the RADIUS Accounting server for communications. The UDP port number can be any integer value between 1 and 65535. The default value is 1813. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 152: Mobile Ip Destination Context Configuration

    Mobile IP Destination Context Configuration The following table lists the information that is required to configure the destination context. Table 14. Required Information for Mobile IP Destination Context Configuration Required Information Description ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 153 Physical ports are configured within the destination context and are used to bind logical Gi interfaces. Gateway IP address(es) Used when configuring static routes from the Gi interface(s) to a specific network. IP Address Pool Configuration (optional) Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 154 The maximum number of sessions is 3. The default is 1. NOTE: The system will only support multiple Mobile IP sessions per subscriber if the subscriber‟s mobile node has a static IP address. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 155 MD5 per RFC 1321 and keyed-MD5 per RFC 2002. The default algorithm is hmac-md5. A hash-algorithm is required for each SPI configured. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 156: How This Configuration Works

    This section focusses on how this system configuration functions to process a Mobile IP session. The following figure and the text that follows describe how this configuration works to process calls ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 157 0.0.0.0 indicating that it will be reset with a Home address after the PDP context activation procedure. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 158 10. The MS sends/receives data to/from the packet data network over the GGSN‟s PDN interface. 11. Upon termination of the subscriber session, the GGSN sends GGSN charging detail records to the CGF using GTPP over the Ga interface. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 159: Ggsn Service Configuration Procedures

    Access Control List configuration, use of inappropriate port number may result in communication loss. Refer respective feature configuration document carefully before assigning any port number or IP address for communication with internal or external network. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 160: Ggsn Service Configuration

    Use the following example to create the GGSN service and bind it to an IP address: Notes: A maximum of 256 services (regardless of type) can be configured per system. Bind address should not conflict with any other GTP-based service. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 161: Accounting Context And Charging Characteristics Configuration

    Use the following example to configure the SGSN and PLMN related policy and session setup timeout for the GGSN service: Notes: SGSN or PLMN related policy can be defined for multiple SGSNs or PLMN. For optional configuration parameters of SGSN address, refer Command Line Interface Reference. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 162: Network-Requested Pdp Context Support Configuration

    The output of this command given below is a concise listing of GGSN service parameter settings as shown in the sample output displayed. In this example, a GGSN service called was configured and you can observe some parameters configured as default. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 163 GGSN Service Configuration Procedures GGSN Service Configuration ▀ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 164 GGSN Service Configuration Procedures ▀ GGSN Service Configuration Step 2 Verify configuration for errors by entering the following command in Exec Mode: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 165: Gtpp Accounting Support Configuration

    Verify your GTPP group and accounting configuration by following the steps in the GTPP Group Configuration Verification section. Step 4 Save your configuration as described in the Verifying and Saving Your Configuration chapter. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 166: Gtpp Group Creation

    Use the following example to configure the GTPP server parameters, GTPP dictionary, and optionally CGF to support GTPP accounting: Notes: In addition to one default GTPP group “default” a maximum of 8 GTPP groups can be configured with this command in a context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 167: Gtpp Group Configuration Verification

    Verify that your CGFs were configured properly by entering the following command in Exec Mode: This command produces an output similar to that displayed below: Step 2 Verify configuration for errors by entering the following command in Exec Mode: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 168 GGSN Service Configuration Procedures ▀ GTPP Accounting Support Configuration ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 169: Apn Configuration

    Step 8 Save your configuration as described in the Verifying and Saving Your Configuration chapter. APN Creation and Configuration Use the following example to create and configure the APNs: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 170: Authentication, Accounting, And Gtpp Group Configuration In Apn

    Authentication and Accounting Configuration in APN Use the following example to configure the accounting mode and authentication parameter for APN: Notes: APNs are configured in system authentication contexts or destination context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 171: Gtpp Group Association To Apn

    The process used by the system to determine how the address should be allocated. For detail information on IP address allocation, refer Usage section of command in APN Configuration Mode Commands chapter of Command Line Interface Reference. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 172: Charging Characteristics Parameter Configuration In Apn

    Virtual APNs are references (or links) to alternative APNs to be used for PDP context processing based on properties of the context. Use the following example to configure the virtual APNs. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 173: Other Optional Parameter Configuration In Apn

    Any attributes returned during the FA authentication phase are ignored. If mobile-ip required option is enabled, the system deletes any PDP context using the APN that can not establish a Mobile IP session. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 174: Apn Configuration Verification

    Verify that your APN were configured properly by entering the following command in Exec Mode: This command produces an output similar to that displayed below is an excerpt from a sample output. In this example, an APN called apn1 was configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 175 GGSN Service Configuration Procedures APN Configuration ▀ Step 2 Verify configuration for errors in APN configuration by entering the following command in Exec Mode: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 176: Dhcp Service Configuration

    Save your configuration as described in theVerifying and Saving Your Configuration chapter. DHCP Service Creation Use the following example to create the DHCP service to support DHCP-based address assignment: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 177: Dhcp Server Parameter Configuration

    A maximum of 20 DHCP servers can be configured. command and command work in conjunction with each other. The retransmission-timeout command works in conjunction with command. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 178: Dhcp Service Configuration Verification

    This command produces an output similar to that displayed below where DHCP name is Step 2 Verify the DHCP service status by entering the following command in Exec Mode: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 179 GGSN Service Configuration Procedures DHCP Service Configuration ▀ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 180: Ip Address Pool Configuration On The System

    Verify your IP pool configuration by following the steps in the IP Pool Configuration Verification section. Step 4 Save your configuration as described in the Verifying and Saving Your Configuration chapter. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 181: Ipv4 Pool Creation

    Setting different priorities on individual pools can cause addresses in some pools to be used more frequently. For more information on commands/keywords that configure additional parameters and options, refer ipv6 pool command section in Context Configuration Mode Commands chapter of Command Line Interface Reference. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 182: Ip Pool Configuration Verification

    Verify that your IPv4 address pool configured properly by entering the following command in Exec Mode: The output from this command should look similar to the sample shown below. In this example all IP pools were configured in the context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 183 Verify that your IPv6 address pools configured properly by entering the following command in Exec Mode: The output from this command should look similar to the sample shown above except IPv6 addresses. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 184: Fa Services Configuration

    Save your configuration as described in the Verifying and Saving Your Configuration chapter. FA Service Creation Use the following example to create the FA service: Important: A maximum of 256 services (regardless of type) can be configured per system. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 185: Ip Interface And Udp Port Binding For Pi Interface

    > is the UDP port number from 1 through 65535 to be used for Pi interface. Default port number is 434. For more information on commands/keywords that configure additional parameters and options, refer FA Service Configuration Mode Commands chapter of Command Line Interface Reference. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 186: Security Parameter Index (Spi) Configuration

    Service Configuration Mode Commands chapter of Command Line Interface Reference. FA Agent Advertisement Parameter Configuration Use the following example to configure the agent advertisement parameters for this FA service: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 187: Subscriber Registration, Authentication And Timeout Parameter Configuration

    IP address. The system only allows a single Mobile IP session for mobile nodes that receive a dynamically assigned home IP address. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 188: Revocation Message Configuration

    Verify that your FA service is configured properly by entering the following command in Exec Mode: The output from this command should look similar to the sample shown below. In this example an FA service named fa1 was configured in the isp1 context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 189 GGSN Service Configuration Procedures FA Services Configuration ▀ Step 2 Verify configuration for errors in FA service by entering the following command in Exec Mode: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 190: Common Gateway Access Support Configuration

    Verification section. Step 7 Save your configuration as described in the Verifying and Saving Your Configuration chapter. Diameter Endpoint Configuration Use the following example to configure the Diameter endpoint: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 191: Aaa Group Configuration

    Use the following example to enable the S6b interface on GGSN service with 3GPP AAA/HSS: Notes: < > is name of the GGSN service which is already created on the system. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 192: Dns Client Configuration

    > is name of the GGSN service which is already created on the system. Duplicate Call Accept Configuration Use the following example to configure GGSN service to accept the duplicate session calls with request for same IP address: Notes: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 193: Common Gateway Acces Support Configuration Verification

    Verify that your common gateway access supprot is configured properly by entering the following command in Exec Mode: The output from this command should look similar to the sample shown below. In this example GGSN service named was configured in the context. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 195: Verifying And Saving Your Configuration

    Chapter 7 Verifying and Saving Your Configuration This chapter describes how to save the system configuration. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 196: Verifying The Configuration

    Using these examples, enter the following commands to verify proper feature configuration: The output displays the complete configuration for the APN. In this example, an APN called apn1 is configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 197: Service Configuration

    > The output is a concise listing of the service parameter settings similar to the sample displayed below. In this example, a P-GW service called pgw is configured. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 198: Context Configuration

    This command displays the entire configuration including the context and service configurations defined above. Finding Configuration Errors Identify errors in your configuration file by entering the following command: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 199 You must refine this command to specify particular sections of the configuration. Add the keyword and choose a section from the help menu: If the configuration contains no errors, an output similar to the following is displayed: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 200: Saving The Configuration

    Files saved locally can be stored in the SPC‟s/SMC‟s CompactFlash or on an installed PCMCIA memory card on the SPC/SMC. Files that are saved to a remote network node can be transmitted using either FTP, or TFTP. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 201: Saving The Configuration On The Chassis

    (a PC-Card in Slot 1 of the standby SPC/SMC) must be available. Otherwise, a failure message is displayed. Note: If saving the file to an external network (non-local) device, the system disregards this keyword. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 202 To save a configuration file called init_config.cfg to the root directory of a TFTP server with a hostname of config_server, enter the following command: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 203: Monitoring The Service

    In addition to the CLI, the system supports the sending of Simple Network Management Protocol (SNMP) traps that indicate status and alarm conditions. Refer to the SNMP MIB Reference Guide for a detailed listing of these traps. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 204: Monitoring System Status And Performance

    Display Historical Session Counter Information View all historical information for all sample intervals Display Session Duration Statistics View session duration statistics Display Session State Statistics View session state statistics ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 205 Display Mobile IP FA Information for a Specific Subscriber View Mobile IP FA counters for a specific subscriber Display Mobile IP Statistics for FA Services View statistics for a specific FA service Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 206 Display L2TP Tunnel Information View all tunnels currently being facilitated by LAC services within a specific context Display IPSec Security Association Statistics ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 207 Display Pre-shared ISAKMP Keys View pre-shared keys received from peer security gateways as part of the Diffie- Hellman exchange Display IPSec Statistics View cumulative IPSec statistics for the current context Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 208: Clearing Statistics And Counters

    (PPP, MIPHA, MIPFA, etc.). Statistics and counters can be cleared using the CLI command. Refer to Command Line Interface Reference for detailed information on using this command. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 209: Troubleshooting The Service

    Chapter 9 Troubleshooting the Service This chapter provides information and instructions for using the system command line interface (CLI) for troubleshooting issues that may arise during service operation. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 210: Test Commands

    The following figure displays a sample of this command‟s output showing a successful PPP echo-test to a subscriber named user2@aaa. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 211: Using The Gtpc Test Echo Command

    The test is performed by the system sending GTP-U echo request messages to the specified SGSN(s) and waiting for a response. Important: This command must be executed from within the context in which at least one GGSN service is configured. The command has the following syntax: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 212: Using The Gtpv0 Test Echo Command

    The following figure displays a sample of this command‟s output showing a successful GTPv0 echo-test from a GGSN service bound to address 192.168.157.32 to an SGSN with an address of 192.168.157.2. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 213: Using The Dhcp Test Command

    When used to test a CGF, this tool causes the system to send GTPP echo packets to the specified CGF(s). Important: This tool must be executed from the context in which GTPP functionality is configured. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 214: Testing Gtpp Connectivity With A Gss

    Tests configured GSS within the given context. Tests connectivity with GSS having before configuring it within the given context. The command‟s response will display whether the GSS is active or unreachable. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 215: Engineering Rules

    GRE Tunnel Interface and VRF Engineering Rules GTP Engineering Rules Interface and Port Engineering Rules Lawful Intercept Engineering Rules MBMS Bearer Service Engineering Rules Service Engineering Rules Subscriber Engineering Rules Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 216: Apn Engineering Rules

    APN Engineering Rules The following engineering rules apply to APNs: APNs must be configured within the context used for authentication. A maximum of 1,024 APNs per system can be configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 217: Dhcp Service Engineering Rules

    The following engineering rule applies to the DHCP Service: Up to 8 DHCP servers may be configured per DHCP service. A maximum of 3 DHCP server can be tried for a call. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 218: Ggsn Engineering Rules

    Up to 4 GTPP Storage Servers can be configured per GTPP group. Up to 32 GTPP Storage Servers can be configured per system context. Up to 511 GRE tunnel interface can be configured per context. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 219: Gre Tunnel Interface And Vrf Engineering Rules

    1024 VRFs per chassis. A maximum of 10000 IP routes in Release 9.0 and 16384 IP routes in Release 10.0 onward are supported in a VRF context configuration mode. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 220: Gtp Engineering Rules

    A maximum of 11 primary (no secondary) PDP context per subscriber can be configured. A maximum of 1 primary and 10 secondary PDP context per subscriber can be configured. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 221: Interface And Port Engineering Rules

    Pi interface when using the system as an HA. A Pi interface is created once the IP address of a logical interface is bound to an HA service. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 222: Gre Tunnel Interface Rule

    A maximum of 512 IP tunnels (511 GRE tunnels + 1 not tunnel interfaces) are allowed to configure in a context but subject to a maximum of 2048 GRE tunnels per chassis. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 223: Lawful Intercept Engineering Rules

    Lawful Intercept Engineering Rules ▀ Lawful Intercept Engineering Rules The following engineering rules apply to Lawful Intercept on supported AGW service: A maximum of 1000 Lawful Intercepts can be performed simultaneously. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 224: Mbms Bearer Service Engineering Rules

    A maximum 225 downlink SGSNs per MBMS bearer service are supported on ASR 5000. A maximum of 2 BMSC (1 primary and 1 secondary) supported per MBMS bearer service. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 225: Service Engineering Rules

    Having services with the same name can lead to confusion, difficulty in troubleshooting the problems, and make it difficult to understand outputs of commands. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 226: Subscriber Engineering Rules

    ▀ Subscriber Engineering Rules Subscriber Engineering Rules The following engineering rule applies to subscribers configured within the service: Default subscriber templates may be configured on a per FA service basis. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 227: Mobile-Ip And Proxy-Mip Timer Considerations

    Mobile-IP or Proxy-MIP environment. The focus of the document is to understand the call flow and understand the timer values that must be applied to make the system function in the most efficient manner. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 228: Call Flow Summary

    FA-service. • Use the following example to set absolute and idle timeout for the default subscriber in non-3GPP network: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 229 MIP lifetime in the HA-service and the subscriber idle and absolute timeouts. If the MIP lifetime is lower it is be sent back to the mobile; if the MIP lifetime is higher the system Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 230 RRQ accept with the lifetime set to 5 seconds less than the lower of the idle or absolute timeout for the user. The following CLI command sequence is used to configure the Mobile IP reg-lifetime in the HA service: ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

  • Page 231: Timer Values And Recommendations

    Failure to follow these recommendations could result in lifetime too long failures when the FA processes the subscriber profileAPN template and finds an idle timeout that is less than the proposed MIP lifetime in the mobile RRQ. Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...

  • Page 232: Controlling The Mobile Ip Lifetime On A Per-Domain Basis

    Refer to the Command Line Interface Reference for complete information regarding all commands. The following is an example CLI command sequence used to configure the Mobile IP lifetime on a per-domain basis. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...
  • Page 233 Resets the idle timeout value on receipt of Mobile IP user data only (this is the default behavior) handoff: Resets the idle timeout value on receipt of Mobile IP user dataand upon inter-AGW handoff or inter access technologies The following optional modifier is also supported: Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄ OL-22944-02...
  • Page 234 ▀ Controlling the Mobile IP Lifetime on a Per-Domain Basis upstream-only: Only upstream user data (data from the mobile node) resets the idle timer for the session. This is disabled by default. ▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide OL-22944-02...

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