Cisco Systems 3.5 manual Client or NAS Scripting Points, Cisco AR Server Action Explanation

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Chapter 2 Understanding Cisco Access Registrar

Program Flow

Table 2-2 From Access-Request to Access-Accept

Cisco AR Server Action

Explanation

 

 

Receives an Access-Request

The Cisco Access Registrar server receives an Access-Request packet from a NAS

 

 

Determines whether to accept

The Cisco Access Registrar server checks to see if the client’s IP address is listed in

the request

/Radius/Clients/<Name>/<IPAddress>

 

 

Invokes the policy SelectPolicy

The Cisco ARPolicy Engine provides an interface to define and configure a policy and

if it exists

to apply the policy to the corresponding access-request packets

 

 

Performs authentication and/or

Directs the request to the appropriate service, which then performs authentication and/or

authorization

authorization according to the type specified in /Radius/Services/<Name>/<Type>

 

 

Performs session management

Directs the request to the appropriate Session Manager

 

 

Performs resource management

Directs the request to the appropriate resource manager listed in

for each Resource Manager in

/Radius/SessionManagers/<Name>/<ResourceManagers>/<Name>, which then

the SessionManager

allocates or checks the resource according to the type listed in

 

/Radius/<ResourceManagers>/<Name>/<Type>

 

 

Sends an Access-Accept

Creates and formats the response, and sends it back to the client (NAS)

 

 

Scripting Points

Cisco Access Registrar lets you invoke scripts you can use to affect the Request, Response, or

Environment dictionaries.

Client or NAS Scripting Points

Table 2-3shows the location of the scripting points within the section that determines whether to accept the request from the client or NAS. Note, the scripting points are indicated with the asterisk (*) symbol.

Table 2-3 Client or NAS Scripting Points

Action

Explanation

 

 

Receives an

The Cisco Access Registrar RADIUS server receives an

Access-Request.

Access-Request packet from a NAS.

 

 

Determines whether to

The client’s IP address listed in

accept the request.

/Radius/Clients/<Name>/IPAddress.

 

 

*Executes the server’s

A script referred to in /Radius/IncomingScript.

incoming script.

 

 

 

*Executes the vendor’s

The vendor listed in /Radius/Clients/Name/Vendor, and is

incoming script.

a script referred to in

 

/Radius/Vendors/<Name>/IncomingScript.

 

 

*Executes the client’s

A script referred to in

incoming script.

/Radius/Clients/<Name>/IncomingScript.

 

 

Determines whether to accept requests from this specific NAS.

Cisco Access Registrar 3.5 Concepts and Reference Guide

 

OL-2683-02

2-5

 

 

 

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Contents Corporate Headquarters Cisco Access Registrar 3.5 Concepts and Reference GuideCisco Access Registrar 3.5 Concepts and Reference Guide Iii N T E N T SSession-Service Service Step and Radius-Session Service Replication’s Impact on Request Processing IPAddress Port Understanding Snmp Vii Accounting Start Data FlowViii World Wide Web Obtaining DocumentationCisco.com Obtaining Technical AssistanceOrdering Documentation Documentation FeedbackContacting TAC by Telephone Contacting TAC by Using the Cisco TAC WebsiteTechnical Assistance Center Xii Radius Protocol OverviewPacket Exchange Between User, NAS, and Radius Steps to ConnectionTypes of Radius Messages Packet ContentsAttribute Dictionary Proxy ServersProxying to an Ldap Server for Authentication Basic Authentication and AuthorizationOverview Basic Authentication and Authorization Cisco Access Registrar Hierarchy Understanding Cisco Access RegistrarScripts ServicesUserLists and Groups ProfilesSession Management Using Resource Managers Subdirectory Description Cisco AR Directory StructureProgram Flow Action Explanation Scripting PointsClient or NAS Scripting Points Cisco AR Server Action ExplanationRadius/Advanced/RequireNASsBehindProxyBeInClie Authentication and/or Authorization Scripting PointsFailover by the NAS and Session Management Session ManagementIncoming Scripts Authentication/Authorization ScriptsScript Processing Hierarchy Outgoing Scripts Cross Server Session and Resource ManagementOverview Configuring a Front Line Cisco Access Registrar Session-Service Service Step and Radius-Session ServiceConfigure Central AR OL-2683-02 AltigaIncomingScript Using Cisco AR ScriptsACMEOutgoingScript AscendIncomingScript AuthorizeServiceAltigaOutgoingScript ANAAAOutgoingCiscoIncoming AuthorizeTelnetCabletronIncoming CabletronOutgoingExecNASIPRule ExecTimeRuleExecDNISRule ExecFilterRuleParseAAASRealm LDAPOutageMapSourceIPAddress ParseAAARealmParseServiceAndAASRealmHints ParseServiceAndAAARealmHintsParseServiceAndAAASRealmHints ParseServiceAndAARealmHintsParseTranslationGroupsByRealm ParseServiceHintsParseTranslationGroupsByCLID ParseTranslationGroupsByDNISUSROutgoingScript Replication Overview Understanding ReplicationMaster Server How Replication WorksReplication Data Flow Slave Server SecurityReplication Archive Ensuring Data IntegrityAutomatic Resynchronization Transaction Data VerificationTransaction Order Replication’s Impact on Request Processing Replication Configuration SettingsUnderstanding Hot-Configuration Full ResynchronizationMaster RepTypeRepTransactionSyncInterval RepTransactionArchiveLimitRepIPMaster RepIPAddressRepPort RepSecretIPAddress Rep Members SubdirectoryRep Members/Slave1 NameSupported MIBs OverviewRADIUS-AUTH-SERVER-MIB Snmp TrapsCarInputQueueFull Supported TrapsCarServerStart CarServerStopCarOtherAccServerNotResponding CarOtherAuthServerNotRespondingCarOtherAuthServerResponding Directories Searched Configuring TrapsCarOtherAccServerResponding CarAccountingLoggingFailureSwitching Configuration Files in Mid-File Configuration File TypesCommunity String OL-2683-02 Prepaid Billing Solution Measurements and Component Actions Configuring Prepaid Billing Call Flow Details Generic Call FlowAttribute Number Attribute Name Description Access-Request AuthenticationAccess-Accept Authorization Access-Accept AuthenticationAccess-Request Authorization Attribute Number Attribute Name Accounting StartData Flow Accept-Accept Quota Depleted Access-Request Quota DepletedAccounting Response Final Status Accounting Stop Session EndSource VSA Name Type Call Flow Description Vendor-Specific AttributesTotal Volume quota received by Crbprivate GL-1 O S S a R YGL-2 Scalable wholesale access/open access solutionGL-3 GL-4 GL-5 GL-6 GL-7 GL-8 GL-9 GL-10 IN-1 RadiusIN-2 RFCIN-3 IN-4
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