Framed-Route in RADIUS Accounting

Last Updated: July 18, 2011

The Framed-Route in RADIUS Accounting feature provides for the presence of Framed-Route (RADIUS attribute 22) information in RADIUS Accounting-Request accounting records. The Framed-Route information is returned to the RADIUS server in the Accounting-Request packets. The Framed-Route information can be used to verify that a per-user route or routes have been applied for a particular static IP customer on the network access server (NAS).

Finding Feature Information

Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the Feature Information Table at the end of this document.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.

Prerequisites for Framed-Route in RADIUS Accounting

Be familiar with configuring authentication, authorization, and accounting (AAA), RADIUS servers, and RADIUS attribute screening.

Information About Framed-Route in RADIUS Accounting

Framed-Route Attribute 22

Framed-Route, attribute 22 as defined in Internet Engineering Task Force (IETF) standard RFC 2865, provides for routing information to be configured for the user on the NAS. The Framed-Route attribute information is usually sent from the RADIUS server to the NAS in Access-Accept packets. The attribute can appear multiple times.

Framed-Route in RADIUS Accounting Packets

The Framed-Route attribute information in RADIUS accounting packets shows per-user routes that have been applied for a particular static IP customer on the NAS. The Framed-Route attribute information is currently sent in Access-Accept packets. Effective with Cisco IOS Release 12.3(4)T, the Framed-Route attribute information is also sent in Accounting-Request packets if it was provided in the Access-Accept packets and was applied successfully. Zero or more instances of the Framed-Route attribute may be present in the Accounting-Request packets.


Note
If there is more than one Framed-Route attribute in an Access-Accept packet, there can also be more than one Framed-Route attribute in the Accounting-Request packet.

The Framed-Route information is returned in Stop and Interim accounting records and in Start accounting records when accounting Delay-Start is configured.

No configuration is required to have the Frame-Route attribute information returned in the RADIUS accounting packets.

How to Monitor Framed-Route in RADIUS Accounting

Use the debug radius command to monitor whether Framed-Route (attribute 22) information is being sent in RADIUS Accounting-Request packets.

In the following example, the debug radius command is used to verify that Framed-Route (attribute 22) information is being sent in the Accounting-Request packets (see the line 00:06:23: RADIUS: Framed-Route [22] 26 "10.80.0.1 255.255.255.255 10.60.0.1 100").

Router# debug radius
00:06:23: RADIUS:  Send to unknown id 0 10.1.0.2:1645, Access-Request, len 126
00:06:23: RADIUS:  authenticator 40 28 A8 BC 76 D4 AA 88 - 5A E9 C5 55 0E 50 84 37
00:06:23: RADIUS:  Framed-Protocol     [7]   6   PPP                       [1]
00:06:23: RADIUS:  User-Name           [1]   14  "nari@trw1001"
00:06:23: RADIUS:  CHAP-Password       [3]   19  *
00:06:23: RADIUS:  NAS-Port            [5]   6   1                         
00:06:23: RADIUS:  Vendor, Cisco       [26]  33  
00:06:23: RADIUS:  Cisco AVpair        [1]   27  "interface=Virtual-Access1"
00:06:23: RADIUS:  NAS-Port-Type       [61]  6   Virtual                   [5]
00:06:23: RADIUS:  Service-Type        [6]   6   Framed                    [2]
00:06:23: RADIUS:  NAS-IP-Address      [4]   6   12.1.0.1                  
00:06:23: RADIUS:  Acct-Session-Id     [44]  10  "00000002"
00:06:23: RADIUS:  Received from id 0 10.1.0.2:1645, Access-Accept, len 103
00:06:23: RADIUS:  authenticator 5D 2D 9F 25 11 15 45 B2 - 54 BB 7F EB CE 79 20 3B
00:06:23: RADIUS:  Vendor, Cisco       [26]  33  
00:06:23: RADIUS:  Cisco AVpair        [1]   27  "interface=Virtual-Access1"
00:06:23: RADIUS:  Service-Type        [6]   6   Framed                    [2]
00:06:23: RADIUS:  Framed-Protocol     [7]   6   PPP                       [1]
00:06:23: RADIUS:  Framed-IP-Netmask   [9]   6   255.255.255.255           
00:06:23: RADIUS:  Framed-IP-Address   [8]   6   10.60.0.1                  
00:06:23: RADIUS:  Framed-Route        [22]  26  "10.80.0.1 255.255.255.255 10.60.0.1 100"        <=======
00:06:23: RADIUS:  Received from id 2
00:06:24: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up
00:06:25: AAA/AUTHOR:  Processing PerUser AV route
00:06:25: Vi1 AAA/PERUSER/ROUTE: route string: IP route  10.80.0.1 255.255.255.255 10.60.0.1 100
00:06:25: RADIUS/ENCODE(00000002): Unsupported AAA attribute timezone
00:06:25: RADIUS(00000002): sending
00:06:25: RADIUS:  Send to unknown id 1 10.1.0.2:1646, Accounting-Request, len 278
00:06:25: RADIUS:  authenticator E0 CC 99 EB 49 18 B9 78 - 4A 09 60 0F 4E 92 24 C6
00:06:25: RADIUS:  Acct-Session-Id     [44]  10  "00000002"
00:06:25: RADIUS:  Tunnel-Server-Endpoi[67]  12  00:"10.1.1.1"
00:06:25: RADIUS:  Tunnel-Client-Endpoi[66]  12  00:"10.1.1.2"
00:06:25: RADIUS:  Tunnel-Assignment-Id[82]  15  00:"from_isdn101"
00:06:25: RADIUS:  Tunnel-Type         [64]  6   00:L2TP                   [3]
00:06:25: RADIUS:  Acct-Tunnel-Connecti[68]  12  "2056100083"
00:06:25: RADIUS:  Tunnel-Client-Auth-I[90]  10  00:"isdn101"
00:06:25: RADIUS:  Tunnel-Server-Auth-I[91]  6   00:"lns"
00:06:25: RADIUS:  Framed-Protocol     [7]   6   PPP                       [1]
00:06:25: RADIUS:  Framed-Route        [22]  39  "10.80.0.1 255.255.255.255 10.60.0.1 100"         <========
00:06:25: RADIUS:  Framed-IP-Address   [8]   6   10.60.0.1                  
00:06:25: RADIUS:  Vendor, Cisco       [26]  35  
00:06:25: RADIUS:  Cisco AVpair        [1]   29  "connect-progress=LAN Ses Up"
00:06:25: RADIUS:  Authentic           [45]  6   RADIUS                    [1]
00:06:25: RADIUS:  User-Name           [1]   14  "username1@example.com"
00:06:25: RADIUS:  Acct-Status-Type    [40]  6   Start                     [1]
00:06:25: RADIUS:  NAS-Port            [5]   6   1                         
00:06:25: RADIUS:  Vendor, Cisco       [26]  33  
00:06:25: RADIUS:  Cisco AVpair        [1]   27  "interface=Virtual-Access1"
00:06:25: RADIUS:  NAS-Port-Type       [61]  6   Virtual                   [5]
00:06:25: RADIUS:  Service-Type        [6]   6   Framed                    [2]
00:06:25: RADIUS:  NAS-IP-Address      [4]   6   10.1.0.1                  
00:06:25: RADIUS:  Acct-Delay-Time     [41]  6   0

Additional References

The following sections provide references related to the Framed-Route in RADIUS Accounting feature.

Related Documents

Related Topic

Document Title

RADIUS

“ Configuring RADIUS” module.

Standards

Standard

Title

None.

--

MIBs

MIB

MIBs Link

None.

To locate and download MIBs for selected platforms, Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL:

http://www.cisco.com/go/mibs

RFCs

RFC

Title

RFC 2865

Remote Authentication Dial In User Service (RADIUS)

RFC 3575

IANA Considerations for RADIUS (Remote Authentication Dial In User Service)

Technical Assistance

Description

Link

The Cisco Support website provides extensive online resources, including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies.

To receive security and technical information about your products, you can subscribe to various services, such as the Product Alert Tool (accessed from Field Notices), the Cisco Technical Services Newsletter, and Really Simple Syndication (RSS) Feeds.

Access to most tools on the Cisco Support website requires a Cisco.com user ID and password.

http://www.cisco.com/techsupport

Feature Information for Framed-Route in RADIUS Accounting

The following table provides release information about the feature or features described in this module. This table lists only the software release that introduced support for a given feature in a given software release train. Unless noted otherwise, subsequent releases of that software release train also support that feature.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.

Table 1 Feature Information for Framed-Route in RADIUS Accounting

Feature Name

Releases

Feature Information

Framed-Route in RADIUS Accounting

12.3(4)T 12.2(28)SB 12.2(33)SRC

The Framed-Route in RADIUS Accounting feature provides for the presence of Framed-Route (RADIUS attribute 22) information in RADIUS Accounting-Request accounting records.

This feature was introduced in Cisco IOS Release 12.3(4)T.

This feature was integrated into Cisco IOS Release 12.2(28)SB.

This feature was integrated into Cisco IOS Release 12.2(33)SRC.

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. Third party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1005R)

Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.