Cisco Systems OL-4387-02 manual Restrictions for Service Translation, 11-9

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Chapter 11 Miscellaneous SSG Features

SSG Enhancements for Overlapping Services

The service translation mechanism then internally converts the services to the following sets:

Service Bronze_256

Set1

Service Silver_512

Set1 and set2

The service translation mechanism also provides for the translation of services that are complete subsets of one another. For example, consider the following service definitions:

ssg bind service A_1 <next hop ssg> 10.58.253.0/255.255.255.0

ssg bind service B_256 <next hop ssg> 10.58.0.0/255.255.0.0

Based on the service definitions, service A_1 is a subset of service B_256. Therefore, the service translation mechanism creates the following two sets and internally converts the services to sets:

Set1

10.58.253.0/255.255.255.0

Set2

10.58.0.0/255.255.0.0

Service A_1

Set1

Service B_256

Set1 and set2

Assume that user1 is subscribed to service B_256 at 256 Kbps and user2 is subscribed to service A_1 at 1 Mbps. Internally, user1 is subscribed to both set1 and set2. However, policing of the aggregate traffic to either set1 or set2 is at an aggregate rate of 256 Kbps because policing of user traffic is based on the service to which the user is assigned. User1 is subscribed to service B_256; therefore, policing is at a rate of 256 Kbps.

Restrictions for Service Translation

Service translation has the following restrictions:

•Network sets for services must be unique.

•If the service definitions from SESM change, the user must be disconnected and then reconnected before the service translation mechanism can properly translate the new service definitions.

Prerequisites for Service Translation

Enable service translation before SESM downloads overlapping service definitions.

Cisco 10000 Series Router Service Selection Gateway Configuration Guide

	OL-4387-02	11-9

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Contents Corporate Headquarters Copyright 2004, Cisco Systems, Inc All rights reserved Iii N T E N T SConfiguration Example for SSG AutoDomain Configuration Example for SSG Open Garden Configuration of VPI/VCI Static Binding to a Service Profile Vii SSG UnconfigViii Audience About This GuideDocument Organization Document Conventions Obtaining Documentation Related DocumentationCisco.com Ordering Documentation Documentation FeedbackObtaining Technical Assistance Documentation CD-ROMXiii Cisco TAC WebsiteOpening a TAC Case TAC Case Priority DefinitionsXiv Obtaining Additional Publications and InformationService Selection Gateway Service Selection Gateway OverviewSSG Topology Example Access Protocols Default NetworkSSG Restrictions Supported SSG FeaturesService Selection Gateway Overview SSG Restrictions SSG Architecture Model SSG PrerequisitesService Selection Gateway Overview SSG Architecture Model OL-4387-02 Limitations and Restrictions Scalability and PerformanceScalability and Performance Limitations and Restrictions Single Host Logon SSG Logon and LogoffPrerequisites for Single Host Logon SSG Autologoff Configuration of SSG AutologoffRestrictions for SSG Autologoff Example 3-2 SSG Autologoff Using Icmp Ping SSG Prepaid Idle TimeoutConfiguration Example for SSG Autologoff Example 3-1 SSG Autologoff Using ARP PingService Reauthorization Service AuthorizationConfiguration Example for SSG Prepaid Idle Timeout Restrictions for SSG Prepaid Idle TimeoutPrerequisites for SSG Prepaid Idle Timeout Configuration of SSG Prepaid Idle TimeoutExample 3-6 SSG Threshold Time SSG Session and Idle TimeoutExample 3-5 SSG Service-Specific TCP Redirect Example 3-7 SSG Threshold VolumeExample 4-1 Radius Freeware Format Example Authentication and AccountingSSG Full Username Radius Attribute Restrictions for SSG Full Username Radius AttributeExample 4-4 Radius Accounting-Stop Record Account Login and LogoutRadius Accounting Records Example 4-3 Radius Accounting-Start RecordService Connection and Termination Authentication and Accounting Radius Accounting Records PPP Terminated Aggregation Service Selection MethodsPTA-Multidomain Restrictions for PTA-MD Web Service SelectionSesm and SSG Performance OL-4387-02 SSG AutoDomain Service ConnectionConfiguration Example for SSG AutoDomain Configuration of SSG AutoDomainRestrictions for SSG AutoDomain Example 6-2 AutoDomain Exclude Profile SSG VSA Format Example 6-1 SSG AutoDomainExample 6-3 AutoDomain Exclude File Format SSG Prepaid Configuration of SSG PrepaidRestrictions for SSG Prepaid SSG Open Garden Configuration Example for SSG PrepaidRestrictions for SSG Open Garden Configuration of SSG Open GardenConfiguration Example for SSG Open Garden SSG Port-Bundle Host KeyRestrictions for SSG Port-Bundle Host Key Prerequisites for SSG Port-Bundle Host Key Mutually Exclusive Service SelectionConfiguration of SSG Port-Bundle Host Key Exclude NetworksConfiguration of Mutually Exclusive Service Selection OL-4387-02 Downstream Access Control List Service ProfilesFull Username Upstream Access Control ListService Authentication Type Domain NameService Next-Hop Gateway Service-Defined CookieService Description Service ModeExample 7-1 Service Profile Cached Service ProfilesType of Service Service Profile ExampleConfiguration of Cached Service Profiles OL-4387-02 SSG Hierarchical Policing Overview SSG Hierarchical PolicingSSG Hierarchical Policing Token Bucket Scheme Restrictions for SSG Hierarchical Policing SSG Hierarchical Policing ConfigurationExample 8-2 Enabling Per-Session Policing on a Router Configuration Examples for SSG Hierarchical PolicingOL-4387-02 Transparent Passthrough Interface ConfigurationFor example Access Side InterfacesRestrictions of Transparent Passthrough Configuration of Transparent PassthroughMulticast Protocols on SSG Interfaces Network Side InterfacesConfiguration of Multicast Protocols on SSG Interfaces SSG TCP Redirect Redirection for Unauthenticated Users10-1 10-2 Redirection for Unauthorized Services10-3 Initial Captivation10-4 Configuration of SSG TCP RedirectRestrictions for SSG TCP Redirect Prerequisites for SSG TCP RedirectExample 10-1 Binding a Server Group to a Port 10-5Example 10-2 Limiting Redirected TCP Sessions 10-6 Configuring SSG TCP RedirectExample 10-4 Defining Network Lists Configuration Examples for SSG TCP Redirect10-7 Example 10-3 Defining a Captive Portal Server GroupExample 10-5 Defining Port Lists 10-8VPI/VCI Static Binding to a Service Profile Miscellaneous SSG Features11-1 11-2 AAA Server Group Support for Proxy ServicesConfiguration of Radius Virtual Circuit Logging Radius Virtual Circuit Logging11-3 Packet Filtering11-4 Downstream Access Control List-outaclUpstream Access Control List-inacl Restrictions for Packet FilteringRestrictions for SSG Unconfig SSG UnconfigConfiguration of Packet Filtering Configuration Example for Packet Filtering11-6 Prerequisites for SSG UnconfigConfiguration of SSG Unconfig Configuration Examples for SSG UnconfigService Translation SSG Enhancements for Overlapping Services11-7 11-8 11-9 Restrictions for Service Translation11-10 Configuration of Service Translation11-11 Expansion of Service IDs11-12 Network Sets12-1 Monitoring and Maintaining SSG12-2 Troubleshooting RadiusPer-Service Statistics Restrictions for Per-Service Statistics12-3 Monitoring the Parallel Express Forwarding Engine12-4 Figure A-1 SSG Example Topology SSG Configuration ExampleUsername cisco password 0 cisco clock timezone PST Example A-1 Cisco 10000 Router SSG ConfigurationSsg accounting interval 300 ssg profile-cache Full-duplex Peer default ip address pool SSG-POOL Exec-timeout 0 0 password lab SSG Implementation Notes SSG Feature Implementation NotesMpls Also see the Restrictions for SSG TCP Redirect section on OL-4387-02 GL-1 O S S a R YGL-2 GL-3 GL-4 GL-5 GL-6 IN-1 D EIN-2 DSL G-1IN-3 ISP G-2 L2TPIN-4 RadiusIN-5 Reauthorizing prepaidIN-6 TCPIN-7 VRF G-5 VSAIN-8