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Avaya Configuring RADIUS Services User's Manual

1. F r cuMi 1 5 F CONSOLE Figure 1 2 RADIUS Client Configuration Window 2 To configure a slot for RADIUS click on the box labeled None Site Manager displays a menu showing the RADIUS options Figu Gont r Dom Peces SHEP Ponit limit IF ihn 06 0 0 Cole Rum Select Lilia fece aval lable Co riebcib rmi Deleted Connnr torum CORE En m mm Frathenit Lea Lum E i EE r fork FI feet r cog CORI FoxkDuRR F CHR Bach PHPH OF eri Cn EL cd E FF CONSOLE TUBE Dial In Protocol Figure 1 3 RADIUS Menu 1 4 116752 Rev A Starting RADIUS 3 Select Authentication Accounting or Both to enable both services If the router is already using a slot for dial on demand dial backup or bandwidth on demand service you cannot select this slot for authentication This restriction does not apply to accounting 4 For RADIUS authentication select the connectors that you want to serve as RADIUS interfaces This is not required for RADIUS accounting e To configure a modem line for RADIUS click on a COM connector To configure an ISDN line for RADIUS go to page 1 7 Site Manager displays the Choose WAN Serial Interface Type window Figure 1 4 Choose WAN Serial Interface Ty B Cancel K Values Help WAN Serial Interface Type EYNC ji Figure 1 4 Choose WAN Serial Interface Type Window On the Backbone Link Node BLN and Backbone Concentrator Node BCN the
2. Configuring RADIUS Router Software Version 11 02 Site Manager Software Version 5 02 Part No 116752 Rev A May 1997 rS Bay Networks CES Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1988 1997 Bay Networks Inc All rights reserved Printed in the USA May 1997 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notice for All Other Executive Agencies Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction and di
3. In addition to the primary server you can configure one or more alternate RADIUS servers An alternate server ensures that you can maintain network security and accounting in case the primary server fails You must configure a primary server before you configure an alternate server After that you can configure multiple alternate servers for each client To configure an alternate server begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window Figure 4 2 104 32 24 2 PRIMARY frech PRIMARY Acct 7 eee B2 i mi M Server Hoda RADTUS Prase Parth UDP Port ect UDP Part Moni mum feme Retry Penpenge Tbmecugt meconecas Figure 4 2 RADIUS Server Configuration Window 2 Click on Add Alt Site Manager displays the Alternate Server Address window Figure 4 3 116752 Rev A 4 5 Configuring RADIUS Sarwar IP futirecu RAHUS Post Figure 4 3 Alternate Server Address Window 3 Enter the IP address of the alternate RADIUS server Site Manager Server IP Address parameter page A 2 4 Enter a password for the RADIUS server Site Manager RADIUS Password parameter page A 2 5 Click on OK You return to the RADIUS Server Configuration window refer to Figure 4 2 which lists the alternate server 6 Click on Done
4. 2 Enter the IP address of the RADIUS server Site Manager Server IP Address parameter page A 2 3 Enter a password for the server Site Manager RADIUS Password parameter page A 2 The client and server must use the same password 4 Click on OK Site Manager displays the RADIUS Server Configuration window which shows the parameter defaults for the server Figure 1 10 116752 Rev A Configuring RADIUS 202 92 24 2 PRIMARY Auth PRIMARY Acct arm Sarver Mode MLLUPNR aus Parth UGF Pori Beer UDP Part ULL Fiese Ast Fenponge Tbmeugt meconedjas Figure 1 10 RADIUS Server Configuration Window 5 Click on Done to accept the parameter defaults You return to the RADIUS Client Configuration window refer to Figure 1 2 6 Keep the RADIUS Client Configuration window open and go to the next section Selecting a Protocol for RADIUS Authentication 1 10 116752 Rev A Starting RADIUS Selecting a Protocol for RADIUS Authentication For RADIUS authentication you must select a protocol Once you select a protocol the RADIUS client automatically configures an unnumbered circuit interface for the protocol An unnumbered circuit interface has an address of 0 0 0 0 which means that the circuit is not restricted to a specific remote destination address This enables the client to use the circuit for many remote users To select a protocol for RADIU
5. Figure 3 2 RADIUS Dial In Slot Window Peer E A ee ied Figure 3 3 RADIUS Dial In Protocol Window aaa 3 4 Figure 3 4 Dial Optimized Routing Query Window sss 3 4 Figure 3 5 PRP Interface List WINKOW una 3 6 Figure 6 PPP Line Lists III een 3 7 Figure 4 1 RADIUS Server Configuration Window det ET 4 2 Figure 4 2 RADIUS Server Configuration Window eec 4 5 Figure 4 3 Alternate Server Address Window eee 4 6 Figure C 1 Sample Network Using RADIUS Authentication nn C 2 Figure C 2 Sample Network Using RADIUS Accounting ssesesss C 5 Figure C 3 Sample Network Configured for Dialing an Alternate Site C 9 116752 Rev A ix Tables Table B 1 RADIUS Parameter Defaulis u a et B 1 116752 Rev A xi About This Guide If you are responsible for configuring Remote Authentication Dial In User Service RADIUS software read this manual If you want to Go to Start RADIUS on a router using the parameter defaults Chapter 1 Learn about RADIUS and the Bay Networks implementation of Chapter 2 RADIUS Change parameter defaults for the RADIUS client configuration Chapter 3 Change parameter defaults for the RADIUS server configuration Chapter 4 Obtain information about RADIUS parameters this is the same Appendix A information you obtain using Site M
6. to Enable Refer to Appendix A for parameter descriptions of each protocol If your network uses only dial up lines we recommend that you enable IP together with RIP or IPX When you enable these parameters Site Manager displays a window that asks if the remote site is using dial optimized routing Figure 3 4 Is the remote site using dial optimized routing If Yes click on Figure 3 4 Dial Optimized Routing Query Window 3 4 116752 Rev A Customizing the RADIUS Client Configuration If the remote site is using dial optimized routing click on OK Site Manager automatically modifies several routing update parameters so the client can operate with dial optimized routing If your network uses a combination of leased lines and dial up lines for example using dial backup service to support leased connections it is unlikely that the routers use dial optimized routing so click on Cancel Site Manager will not modify the routing update parameters After you respond to the window you return to the RADIUS Dial_In Protocol window Click on OK You return to the RADIUS Client Configuration window refer to Figure 3 1 Click on Done to return to the Configuration Manager window 116752 Rev A 3 5 Configuring RADIUS Modifying the PPP Authentication Protocol The remote user identifies itself to the server using one of the PPP authentication protocols CHAP or PAP It includes either a CHAP name and secret o
7. 2 78 28 7 8 Tis Manual antenne ee 1 1 Berre VOU BEU aronda a acti ie lA Aeon eee 1 2 Enabling PADUS aiai aa anA SREE en 1 3 Specifying the Clients IP Address reris trn han rne TE 1 8 Specifying the Primary Servers IP Address u 1 9 Selecting a Protocol for RADIUS Authentication 2244000444s4nnnnnennnnnenennennnn 1 11 Chapter 2 RADIUS Overview How BADILUS WORS seen 2 1 Bay Networks RADIUS Implementation 440444240044nn00nnnnannnnnnnnnnnannnnn P 2 2 uH BLEU ee ee 2 3 Using PRP for Dialup Connections anna 2 3 Using IP and IPX Unnumbered Protocols for PPP Connections 2 4 Configuring the Remote User to Work with the RADIUS Client 2 5 RADIS MIND NR E D 2 6 Usmo PPP tar Dialup Connie hong nee 2 6 Configuring a Dial Service for RADIUS Accounting ee nennen 2 6 Using RADIUS Compatible Servers with the RADIUS Client 2 7 116752 Rev A V Accepting Remote Users IP Addresses ae 2 7 xsd Male E E EA A acs O E A E E A OEE 2 8 Chapter 3 Customizing the RADIUS Client Configuration Modifymg the Clients IP Address ernennen ae 3 1 Modifying Service from Authentication to Accounting PER PE Modifying the Protocol for RADIUS Authentication ss4s00ssnnnnnnnnnnnnnnnnnnnnnnnn 3 3 Maditying the PPP Authentication Protocol u nee aan 3 6 Removing RADIUS Authenticat
8. Mode A 2 Server Reset Timer A 4 Slot Number A 5 Password Authentication Protocol PAP for RADIUS authentication 2 5 Point to Point Protocol See PPP PPP for RADIUS dial up connections modifying the authentication protocol 3 6 primary server configuring 4 1 protocols for RADIUS authentication 1 11 2 3 2 4 publications ordering xv RADIUS accounting description 2 6 protocols 2 6 purpose 2 6 removing 3 8 user session 2 6 using with dial services 2 6 alternate servers configuring 4 5 authentication choosing protocols 3 3 description 2 3 protocols 2 3 removing 3 8 UDP port setting 4 3 Bay Networks implementation 2 2 Index 2 client description 2 1 configuration examples C 2 description 1 1 2 1 extensions 2 7 Internet draft specifications 2 8 modifying the client configuration 3 1 modifying the server configuration 4 1 modifying the type of service 3 2 operation with other vendors servers 2 7 parameters See parameters purpose 1 1 router platforms for RADIUS 2 2 server description 2 1 starting a default configuration 1 3 Remote Authentication Dial In User Service See RADIUS Response Timeout parameter A 4 RIP Enable parameter A 5 router platforms for RADIUS 2 2 S server alternate 2 7 description 2 1 operation with other vendors servers 2 7 server configuration changing the primary and alternate servers 4 7 changing the server mode 4 3 config
9. RADIUS Site Manager displays the RADIUS Client Configuration window refer to Figure 3 1 2 Click on the box labeled Authentication Accounting or Both then select None Site Manager removes RADIUS from that slot 3 Click on Done to return to the Configuration Manager window 3 8 116752 Rev A Chapter 4 Customizing the RADIUS Server Configuration This chapter explains how to modify the RADIUS server configuration The server parameters tell the client how the server is configured and define how the client and server communicate Modifying the Primary Server s Password The first server you configure is the primary server You can have only one primary server for each client You should have already entered the server s IP address in Chapter 1 To modify the primary server s password begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window which shows the parameter defaults for the server configuration Figure 4 1 116752 Rev A 4 1 Configuring RADIUS 1 2 22 24 2 PRIMARY Poeth Sarwar Bode Eng Parth UDP Pori ost UDP Part Hasime femne Retry Hemp Timeckut ogsoons Figure 4 1 RADIUS Server Configuration Window 2 Enter a new password then click on Apply Site Manager RADIUS Password parameter page A 2 3 Click on D
10. Server at the bottom of the window Site Manager displays the Primary Server Address window 7 Enter 192 32 24 3 for the Server IP Address parameter 8 Enter Client_ASN for the RADIUS Password parameter then click on OK Site Manager displays the RADIUS Server Configuration window which shows the default configuration for the server 9 Accept the defaults for the server configuration parameters C 10 116752 Rev A Configuration Examples 10 Click on Done You return to the RADIUS Client Configuration window 11 Keep this window open and go to the next section Select IP for RADIUS Authentication Select IP for RADIUS Authentication From the RADIUS Client Configuration window 1 Click on Dial In Protocol Site Manager displays the RADIUS Dial_In Slot window Enter the number of the slot configured for RADIUS then click on OK Site Manager displays the RADIUS Dial_In Protocol window Select Enable for the IP Enable parameter Select Enable for the RIP Enable parameter Click on OK Site Manager displays a window that asks if the remote site is using dial optimized routing The remote routers in this example are not using dial optimized routing Click on Cancel You return to the RADIUS Client Configuration window Click on Done to return to the Configuration Manager window 116752 Rev A A accounting See RADIUS accounting 2 6 Acct UDP Port parameter A 3 alternate RADIUS ser
11. e Phone U S Canada 1 888 422 9773 Phone International 1 510 490 4752 e FAX U S Canada and International 1 510 498 2609 116752 Rev A XV Configuring RADIUS Bay Networks Customer Service You can purchase a support contract from your Bay Networks distributor or authorized reseller or directly from Bay Networks Services For information about or to purchase a Bay Networks service contract either call your local Bay Networks field sales office or one of the following numbers Region Telephone number Fax number United States and 1 800 2LANWAN then enter Express Canada Routing Code ERC 290 when prompted to purchase or renew a service contract 1 508 436 8880 direct 1 508 670 8766 Europe 33 4 92 96 69 66 33 4 92 96 69 96 Asia Pacific 61 2 9927 8888 61 2 9927 8899 Latin America 561 988 7661 561 988 7550 How to Get Help If you purchased a service contract for your Bay Networks product from a distributor or authorized reseller contact the technical support staff for that distributor or reseller for assistance If you purchased a Bay Networks service program call one of the following Bay Networks Technical Solutions Centers Technical Solutions Center Telephone number Fax number Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 495 1188 Valbonne France 33 4 92 96 69 68 33 4 92 96 69 98 Sydney Austral
12. gt RADIUS client IP address 192 32 24 6 Remote userB CR0002A Figure C 1 Sample Network Using RADIUS Authentication Before You Begin Before you begin do the following 1 Create and save a configuration file with at least one PPP interface 2 Retrieve the configuration file in local remote or dynamic mode 3 Specify the router hardware if this is a local mode configuration C 2 116752 Rev A Configuration Examples Enable RADIUS Authentication To enable RADIUS authentication begin at the Configuration Manager window 1 10 11 Select Protocols gt Global Protocols gt RADIUS gt Create RADIUS Site Manager displays the RADIUS Client Configuration window which lists the slots available for configuring RADIUS To configure a slot for RADIUS click on the box labeled None Site Manager displays a menu showing the RADIUS options Select Authentication for the slot Click on the slot s COM connectors that you want to enable for RADIUS These connectors are automatically enabled for RADIUS operation Once a connector is enabled for RADIUS Site Manager adds the letters DR to the connector s name to designate it as a RADIUS interface Enter 192 32 24 6 for the Client IP Address parameter Click on Server at the bottom of the window Site Manager displays the Primary Server Address window Enter 192 32 24 7 for the Server IP Address parameter Enter Client_BLN for the RADIUS Password p
13. license whatsoever either explicitly or implicitly except by acceptance of an order for either Software or for a Bay Networks product Equipment that is packaged with Software Each such license is subject to the following restrictions 1 Upon delivery of the Software Bay Networks grants to licensee a personal nontransferable nonexclusive license to use the Software with the Equipment with which or for which it was originally acquired including use at any of licensee s facilities to which the Equipment may be transferred for the useful life of the Equipment unless earlier terminated by default or cancellation Use of the Software shall be limited to such Equipment and to such facility Software which is licensed for use on hardware not offered by Bay Networks is not subject to restricted use on any Equipment however unless otherwise specified on the Documentation each licensed copy of such Software may only be installed on one hardware item at any time Licensee may use the Software with backup Equipment only if the Equipment with which or for which it was acquired is inoperative Licensee may make a single copy of the Software but not firmware for safekeeping archives or backup purposes Licensee may modify Software but not firmware or combine it with other software subject to the provision that those portions of the resulting software which incorporate Software are subject to the restrictions of this license Licensee
14. return to the RADIUS Client Configuration window refer to Figure 1 2 116752 Rev A 1 7 Configuring RADIUS Site Manager adds the letters DR to the connector s name to designate it as a RADIUS interface 5 Keep the RADIUS Client Configuration window open and go to the next section Specifying the Client s IP Address Specifying the Client s IP Address To enable RADIUS you must specify the client s Internet Protocol IP address As the RADIUS client the router passes this address to the server when a remote user makes an authentication or accounting request The server does not accept the request without the client s IP address To configure the client s IP address 1 Enter an IP address for the Client IP Address parameter Site Manager Client IP Address parameter page A 1 2 Keep the RADIUS Client Configuration window open and go to the next section Specifying the Primary Server s IP Address 1 8 116752 Rev A Starting RADIUS Specifying the Primary Server s IP Address To enable RADIUS you must specify the IP address of the RADIUS server The first server you configure is the primary server You can have only one primary server for each client To configure the primary server s IP address 1 Click on Server Site Manager displays the Primary Server Address window Figure 1 9 Sarwar IP Addresa RAPIUG Fit oft Figure 1 9 Primary Server Address Window
15. the primary server does not respond after a certain number of attempts the client sends the authentication or accounting request to the alternate server Once the primary server recovers the client resumes communication with the primary server Accepting Remote Users IP Addresses The client accepts the IP address of a remote user only if the remote user is a PC not another router The client does not support any other RADIUS extensions 116752 Rev A 2 7 Configuring RADIUS For More Information Refer to the following sources for more information about RADIUS Aboba B Zorn G RADIUS Client MIB Internet Draft March 1997 Aboba B Zorn G RADIUS Server MIB Internet Draft March 1997 Aboba B Zorn G Implementation of Mandatory Tunneling via RADIUS Internet Draft March 1997 Internet Engineering Task Force World Wide Web site http ftp ietf org Rigney C RADIUS Accounting RFC 2139 April 1997 Rigney C Rubens A Simpson W A Willens S Remote Authentication Dial In User Service RADIUS RFC 2138 April 1997 Rigney C Willats W RADIUS Extensions Internet Draft January 1997 Zorn G RADIUS Attributes for Tunnel Protocol Support Internet Draft March 1997 Zorn G Extensible RADIUS Attributes for Tunnel Protocol Support Internet Draft March 1997 2 8 116752 Rev A Chapter 3 Customizing the RADIUS Client Configuration Th
16. to the Configuration Manager window 116752 Rev A 4 7 Configuring RADIUS Removing a Server Entry To remove a server entry from the RADIUS configuration begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window refer to Figure 4 2 2 Select a server entry then click on Delete Site Manager removes the entry from the list 3 Click on Done to return to the Configuration Manager window 4 8 116752 Rev A Appendix A RADIUS Parameters This appendix describes each of the RADIUS parameters Each description includes the path of Site Manager windows that you follow to find the parameter Each path assumes that you begin at the Configuration Manager window You can use Site Manager to modify all RADIUS parameters You can also use the Technician Interface to modify parameters by issuing set and commit commands with the Management Information Base MIB object ID This process is the same as modifying parameters using Site Manager For information about using the Technician Interface to access the MIB refer to Using Technician Interface Software Caution The Technician Interface does not verify that the value you enter for a parameter is valid Entering an invalid value can corrupt your configuration Client IP Address Parameter Parameter Path Default Options Function Instructio
17. Choose WAN Serial Interface Type window appears only for ports on an Octal Sync Link Module For all other modules Site Manager displays the Sync Line Media Type window Figure 1 5 If you are using synchronous PPP for your dial connections accept the default Sync for the WAN Serial Interface Type parameter Site Manager displays the Sync Line Media Type window Figure 1 5 If you plan to use Asynchronous PPP for your dial connections select Async Site Manager displays the Async Line Media Type window Figure 1 6 116752 Rev A 1 5 Configuring RADIUS Lite IIT Tipp Cable Tape Prior ity Hoia premeu Ser rag Figure 1 5 Sync Line Media Type Window Liis Bella Tupa Priority Modas Cosmo Hiring Figure 1 6 Async Line Media Type Window Click on OK to accept the line media type defaults You return to the RADIUS Client Configuration window r i Go to Step 5 1 6 116752 Rev A Starting RADIUS e To configure an ISDN line for RADIUS click on an ISDN MCT1 or MCEI connector Site Manager displays the ISDN Switch Configuration window Figure 1 7 Seiten Typa Irama Filter OTSAALE ELEC ILE tuni i mri NM Puta Ek Figure 1 7 ISDN Switch Configuration Window Click on OK to accept the defaults Site Manager displays the ISDN Logical Lines window Figure 1 8 Poil Charmed Lraint Pool Channwl Priority Figure 1 8 ISDN Logical Lines Window Click on OK to accept the defaults You
18. IUS gt Edit RADIUS Site Manager displays the RADIUS Client Configuration window refer to Figure 3 1 This window shows the slots and their current configuration 2 Click on the box labeled Authentication then select Accounting or Both The service you select is now operating for that slot 3 If necessary modify the client and server addresses and protocol configurations to accommodate the new service 4 Click on Done to return to the Configuration Manager window 3 2 116752 Rev A Customizing the RADIUS Client Configuration Modifying the Protocol for RADIUS Authentication To modify the unnumbered protocol for RADIUS authentication begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit RADIUS Site Manager displays the RADIUS Client Configuration window refer to Figure 3 1 2 Click on Dial In Protocol Site Manager displays the RADIUS Dial_In Slot window Figure 3 2 Figure 3 2 RADIUS Dial_In Slot Window 3 Enter the number of a slot configured for RADIUS then click on OK Site Manager Slot Number parameter page A 5 Site Manager displays the RADIUS Dial_In Protocol window Figure 3 3 116752 Rev A 3 3 Configuring RADIUS IF Enabls RIP Ereab le carey Emable WE Erle Ir NEL Le Bridge Enable Figure 3 3 RADIUS Dial In Protocol Window 4 Setthe enabled protocol to Disable and set the protocol you want to use
19. S authentication 1 Click on Dial In Protocol Site Manager displays the RADIUS Dial_In Slot window Figure 1 11 Figure 1 11 RADIUS Dial In Slot Window 2 Enter the number of a slot configured for authentication then click on OK Site Manager Slot Number parameter page A 5 Site Manager displays the RADIUS Dial In Protocol window Figure 1 12 116752 Rev A 1 11 Configuring RADIUS IF Enabls RIP Einhl ary Emable WE Erle Iis Nr Lo Bridge naile Figure 1 12 RADIUS Dial In Protocol Window 3 Select Enable for the protocol you want to use then click on OK Refer to Appendix A for parameter descriptions of each protocol If your network uses only dial up lines we recommend that you enable IP together with RIP or the Internet Packet Exchange IPX protocol When you enable these parameters Site Manager eld a window that asks if the remote site is using dial optimized routing f Is the remote site using dial optimized routing If Yes click on OK OK Cancel Figure 1 13 Dial Optimized Routing Query Window If the remote site is using dial optimized routing click on OK Site Manager automatically modifies several routing update parameters so the client can operate with dial optimized routing 1 12 116752 Rev A Starting RADIUS If your network uses a combination of leased lines and dial up lines for example using dial backup service to support leased connections
20. anager online Help Quickly obtain the default value of a RADIUS parameter Appendix B See RADIUS configuration examples Appendix C Before You Begin Before using this manual complete the following tasks For a new router e Install the router refer to the installation manual that came with your router e Connect the router to the network and create a pilot configuration file refer to Quick Starting Routers Connecting AN and ANH Systems to a Network or Connecting ASN Routers to a Network Make sure that your router is running the latest version of the Bay Networks Site Manager and router software For instructions refer to Upgrading Routers from Version 7 10 xx to Version 11 0 116752 Rev A xiii Configuring RADIUS Conventions bold text italic text quotation marks screen text separator gt vertical line Indicates text that you need to enter command names and buttons in menu paths Example Enter wism amp Example Use the dinfo command Example ATM DXI gt Interfaces gt PVCs identifies the PVCs button in the window that appears when you select the Interfaces option from the ATM DXI menu Indicates variable values in command syntax descriptions new terms file and directory names and book titles Indicate the title of a chapter or section within a book Indicates data that appears on the screen Example Set Bay Networks Trap Monitor Filters Separates me
21. and use acknowledge that such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties ii 116752 Rev A Bay Networks Software License Note This is Bay Networks basic license document In the absence of a software license agreement specifying varying terms this license or the license included with the particular product shall govern licensee s use of Bay Networks software This Software License shall govern the licensing of all software provided to licensee by Bay Networks Software Bay Networks will provide licensee with Software in machine readable form and related documentation Documentation The Software provided under this license is proprietary to Bay Networks and to third parties from whom Bay Networks has acquired license rights Bay Networks will not grant any Software
22. arameter then click on OK Site Manager displays the RADIUS Server Configuration window which shows the default configuration for the server Accept the defaults for the server configuration parameters Click on Done You return to the RADIUS Client Configuration window Go to the next section Select IP 116752 Rev A 0 3 Configuring RADIUS Select IP From the RADIUS Client Configuration window 1 Click on Dial In Protocol Site Manager displays the RADIUS Dial_In Slot window 2 Enter the number of the slot configured for RADIUS then click on OK Site Manager displays the RADIUS Dial_In Protocol window 3 Select Enable for the IP Enable parameter 4 Select Enable for the RIP Enable parameter 5 Click on OK Site Manager displays a window that asks if the remote site is using dial optimized routing The remote routers in this example are using dial optimized routing 6 Click on OK Site Manager modifies the values of several routing update parameters however these changes are transparent to you You return to the RADIUS Client Configuration window 7 Click on Done to return to the Configuration Manager window C 4 116752 Rev A Configuration Examples Configuring RADIUS Accounting This example explains how to configure the router as a RADIUS accounting client and assumes the following The client is an ASN Dial backup is the dial service The RADIUS client only receives calls
23. e Disable IPX Enable Disable IPXWAN Enable Disable Bridge Enable Disable 116752 Rev A B 1 Appendix C Configuration Examples This appendix provides the following configuration examples for a router acting as a RADIUS client e Configuring RADIUS authentication e Configuring RADIUS accounting e Configuring RADIUS authentication and accounting The examples show only those parameters whose defaults you must change for proper configuration The examples do not show any configuration windows For dial service windows refer to Configuring Dial Services for RADIUS windows refer to the appropriate chapter in this manual 116752 Rev A C 1 Configuring RADIUS Configuring RADIUS Authentication This example explains how to configure the router as a RADIUS authentication client and assumes the following e The client is a BLN e The network connections are all Raise DTR modem connections e The WAN serial interface type is synchronous e IP and RIP are the protocols for the client s unnumbered circuit interface e Dial optimized routing and one way authentication are configured on the remote routers e A default route of 0 0 0 0 is configured on the remote routers to contact the client Figure C 1 shows the sample network for this example f Lc Pors gt LJ RADIUS server IP address 192 32 24 7 I A lt POTS
24. ent uses Point to Point Protocol PPP for the dial up line between itself and the remote user When you configure RADIUS Site Manager automatically configures PPP for the client To identify itself to the server the remote user uses the PPP Challenge Handshake Authentication Protocol CHAP or Password Authentication Protocol PAP The client includes the remote user s CHAP name and secret or PAP ID and password in the access challenge to the server 116752 Rev A 2 3 Configuring RADIUS Using IP and IPX Unnumbered Protocols for PPP Connections The RADIUS client supports only IP and IPX unnumbered interfaces which means that the circuit s interface address is 0 0 0 0 All remote users that dial in to the same slot on the client receive the same unnumbered protocol configuration Note Unlike the circuit s address the RADIUS client s address is a numbered address The unnumbered circuit interface eliminates the need for a unique circuit configuration for each remote user in a network Therefore an unnumbered circuit interface reduces the configuration effort and the number of IP addresses that you use for a large network The client can activate any available circuit for an incoming call because there is no specific address assigned to the circuit When you configure authentication for a router slot Site Manager automatically configures the dial up circuits required for the client to accept calls from the remote use
25. figure a default route which is a static route that enables the remote router to contact the client Refer to Appendix C for configuration examples 116752 Rev A 2 5 Configuring RADIUS RADIUS Accounting You configure RADIUS accounting on a slot by slot basis Therefore a call designated for a RADIUS configured slot performs RADIUS accounting The RADIUS accounting server calculates billing charges for a communication session between the remote user and the client The RADIUS client sends information to the server such as the status of each call and the number of packets transmitted during the session Using this data the server determines billing charges which the network administrator can use to manage network costs An accounting session is the time during which the remote user communicates with the client The session begins when the client passes an accounting request from the remote user to the server with an accounting status byte set to start The session ends when the client sends a second request with the accounting status byte set to stop Multiple accounting sessions can occur simultaneously if there are multiple dial up connections The client sends accounting requests only to the server configured for accounting which enables you to use different servers for accounting and authentication If the client cannot reach the primary server after several attempts and you configured an alternate server the client se
26. for the Client IP Address parameter Click on Server at the bottom of the window Site Manager displays the Primary Server Address window Enter 192 32 24 3 for the Server IP Address parameter Enter Client_ASN for the RADIUS Password parameter then click on OK Site Manager displays the RADIUS Server Configuration window which shows the default configuration for the server Accept the defaults for the server configuration parameters Click on Done You return to the RADIUS Client Configuration window 10 Click on Done to return to the Configuration Manager window C 8 116752 Rev A Configuration Examples Configuring RADIUS Accounting and Authentication RADIUS server IP address 192 32 24 3 Key This example explains how to configure the router as a RADIUS accounting and authentication client The sample network shows a remote router dialing an alternate site when the original destination is not accessible The example assumes the following e The client is an ASN e Dial backup is the dial service e The leased connections are using Frame Relay e The backup connections are using PPP e JP and RIP are the protocols for the client s unnumbered circuit interface Figure C 3 shows the sample network for this example Branch office Regional router CLs R1 CHAP Local Name R2 Configured with dial backup CHAP Local Name R1 CHAP Local Name R3 Confi
27. ger that represents a router slot configured for RADIUS Identifies the slot configured for RADIUS Enter the slot number 1 3 6 1 4 1 18 3 5 22 2 1 4 IP Enable Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS Dial_In Slot gt RADIUS Dial_In Protocol Disable Enable Disable Enables or disables IP on this interface Select Enable to enable IP on this interface 1 3 6 1 4 1 18 3 5 1 4 12 1 5 RIP Enable Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS Dial_In Slot gt RADIUS Dial_In Protocol Disable Enable Disable Enables or disables RIP on this interface Select Enable to enable RIP on this interface 1 3 6 1 4 1 18 3 5 1 4 12 1 7 116752 Rev A A 5 Configuring RADIUS Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID OSPF Enable Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS Dial_In Slot gt RADIUS Dial_In Protocol Disable Enable Disable Enables or disables OSPF on this interface Select Enable to enable OSPF on this interface 1 3 6 1 4 1 18 3 5 1 4 12 1 8 IPX Enable Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS D
28. gured with dial backup Recovery router R5 Branch office rr RADIUS client IP address 192 32 24 4 Configured with authentication Mand accounting CHAP Local Name R4 Configured with dial backup Primary circuits Backup circuits CRO004A Figure C 3 Sample Network Configured for Dialing an Alternate Site 116752 Rev A 0 9 Configuring RADIUS Before You Begin Before you begin do the following 1 Create and save a configuration file with at least one Frame Relay interface 2 Retrieve the configuration file in local remote or dynamic mode 3 Specify the router hardware if this is a local mode configuration Enable Dial Backup Service To enable dial backup service configure a dial backup pool and circuit according to the instructions in the previous section Configuring RADIUS Accounting Enable RADIUS Accounting and Authentication To enable RADIUS accounting and authentication begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Create RADIUS Site Manager displays the RADIUS Client Configuration window 2 To configure a slot for RADIUS click on the box labeled None Site Manager displays a menu showing the RADIUS options 3 Select Both for the slot 4 Click on the connectors that you want to configure as authentication interfaces 5 Enter 192 32 24 4 for the Client IP Address parameter 6 Click on
29. he Bay Networks implementation of these services This information is in Chapter 2 Instructions for modifying the default configuration introduced in Chapter 1 These instructions are in Chapters 3 and 4 Most of the instructions assume that you have read Chapter 1 and explain how to modify the default configuration 116752 Rev A Configuring RADIUS The steps that instruct you to set a parameter value are followed by a box that includes the Site Manager parameter and the location of the parameter description in Appendix A To read more about the parameter before setting a value refer to the specified page You can also read these parameter descriptions by clicking on Help in the Site Manager windows Parameter descriptions parameter default tables and configuration examples This information is in Appendixes A through C Before You Begin Before you enable RADIUS do the following 1 Create and save a configuration file that has at least one wide area network WAN interface Retrieve the configuration file in local remote or dynamic mode Specify the router hardware if this is a local mode configuration Configure the physical interface for any ISDN lines that you will use for RADIUS Refer to Configuring Dial Services to learn how to configure ISDN lines Configure one or more dial services so the RADIUS client can accept calls from the remote user RADIUS accounting only Configure dial on demand dial bac
30. ia 61 2 9927 8800 61 2 9927 881 1 Tokyo Japan 81 3 5402 0180 81 3 5402 0173 xvi 116752 Rev A About This Guide For More Information For information about Bay Networks and its products visit the Bay Networks World Wide Web WWW site at http www baynetworks com To learn more about Bay Networks Customer Service select Customer Service on the opening Web page 116752 Rev A xvii Chapter 1 Starting RADIUS Remote Authentication Dial In User Service RADIUS defines a method of centralizing authentication and accounting information for networks with many remote dial in users By placing authentication and accounting functions in one central location you can improve security and better manage large networks In a network using RADIUS the router is the RADIUS client The client is the connection point between remote users and a RADIUS server The server has the information that it needs to identify remote users and to keep accounting information for each call How to Use This Manual Understanding how this manual is organized should make it more useful to you The manual is organized as follows Starting RADIUS Begin by reading this chapter which explains how to enable RADIUS on your router using a basic configuration that is a configuration that uses all of the available parameter defaults RADIUS overview Provides information about RADIUS authentication and accounting and t
31. ial_In Slot gt RADIUS Dial_In Protocol Disable Enable Disable Enables or disables IPX on this interface Select Enable to enable IPX on this interface 1 3 6 1 4 1 18 3 5 1 4 12 1 9 IPXWAN Enable Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS Dial_In Slot gt RADIUS Dial_In Protocol Disable Enable Disable Enables or disables IPXWAN on this interface Select Enable to enable IPXWAN on this interface 1 3 6 1 4 1 18 3 5 1 4 12 1 13 A 6 116752 Rev A Parameter Path Default Options Function Instructions MIB Object ID RADIUS Parameters Bridge Enable Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS Dial In Slot gt RADIUS Dial In Protocol Disable Enable Disable Enables or disables bridging on this interface Select Enable to enable bridging on this interface 1 3 6 1 4 1 18 3 5 1 4 12 1 10 116752 Rev A A 7 Appendix B RADIUS Parameter Defaults Table B 1 lists the default settings for the RADIUS parameters Table B 1 RADIUS Parameter Defaults Parameter Default Client IP Address None Server IP Address None RADIUS Password None Server Mode Both Auth UDP Port 1645 Acct UDP Port 1646 Maximum Message Retry 2 Response Timeout Seconds 3 Server Reset Timer minutes 10 Slot Number None IP Enable Disable RIP Enable Disable OSPF Enabl
32. ion and Accounting see 3 8 Chapter 4 Customizing the RADIUS Server Configuration Modifying the Primary Server s Password ee TENE ee 4 1 MOT ving ihe Serner NOG een 4 3 Authentication and Accounting UDP POMS een anal 4 3 Modifying the Server Response Time ac eneeearee 4 4 Modifying the Number of Client Requests to the Server ccecccceessescceceseseseeeeesssaeees 4 4 Configuring Alternate Servers are sects nee E 4 5 Hechhheciins To THe PYITIM DENER ssiri ai enAnnan 4 7 Changing the Primary and Alternate Servers urssuusnnsnsnnsnnnsnnnnnnnannannnnnnnnnnnnnnnnnnn 4 7 Removing a Server Entry idis TO a teed Gi cis oleate eee ee 48 Appendix A RADIUS Parameters Client IP Address Parameter sssesessss TT PESEE T T A Server Cohligurelian Pakamielers aranera cie POE cepe MN Ier LC P Rad E Ri UIS A 2 Protocol Parameters for RADIUS Authentication sess A 5 Appendix B RADIUS Parameter Defaults Appendix C Configuration Examples CGontigurmo RADIUS Authentieslen E H m C 2 DRIOIB VE BOD ee ata E Kenner t aman cnp aguas C 2 Enable RADIUS Authentication reis ee t ee enge 0 3 S IF a en einen C 4 vi 116752 Rev A Somalia RADIUS Aecou iting ee C 5 Bente FAN nennen er na C 6 Greate a Backuie Pool una EE C 6 Geata Dial Backup Bull sans C 7 Enable RADIUS Aerating a C 8 Configu
33. is chapter describes the changes you can make to the RADIUS client s configuration Modifying the Client s IP Address You should have already configured an IP address for the client in Chapter 1 To modify the address of the client begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit RADIUS Site Manager displays the RADIUS Client Configuration window Figure 3 1 Dont armi Eon Morsi SHAM Pont Climnt IF Rice 4a2 32 24 3 Coler Kum Select lines from aval Leable co niesct rsi Salate EELS E 4 3 2 1 Figure 3 1 Ranni Fautfrarit iio 7 perm pr ee ga e LIAL LIAL Disal In Protocol RADIUS Client Configuration Window 116752 Rev A 3 1 Configuring RADIUS 2 Enter a new IP address for the Client IP Address parameter Site Manager Client IP Address parameter page A 1 3 Click on Done to return to the Configuration Manager window Modifying Service from Authentication to Accounting You can change the service from RADIUS authentication to accounting without having to remove authentication You may also want to use both services To change from accounting to authentication you must remove accounting service from the slot and then configure authentication service To modify service begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RAD
34. it does not make calls therefore you do not need to configure an outgoing phone list and local CHAP name and secret for the client The leased and dial backup connections are using PPP The WAN serial interface type is synchronous RADIUS authentication is not configured on the client Figure C 2 shows the sample network for this example CH Site A ers WIL H iea Inn ISDN gt LITT S m Remote users i m E a RADIUS server IP address 192 32 24 3 oJ RADIUS client ec ISDN gt IP address 192 32 24 2 A i Remote users Primary line z Backup line CR0003A Figure C 2 Sample Network Using RADIUS Accounting 116752 Rev A C 5 Configuring RADIUS Before You Begin Before you begin do the following 1 2 3 Create and save a configuration file with at least one PPP interface Retrieve the configuration file in local remote or dynamic mode Specify the router hardware if this is a local mode configuration Create a Backup Pool To create a backup pool begin at the Configuration Manager window 1 Select an ISDN connector Site Manager displays the Port Application window Click on OK to accept the default for the Port Application Mode parameter Dialup 2B D This configures the BRI in
35. it is unlikely that the routers use dial optimized routing so click on Cancel Site Manager will not modify the routing update parameters After you respond to the window you return to the RADIUS Dial_In Protocol window Click on OK You return to the RADIUS Client Configuration window refer to Figure 1 2 Click on Done to return to the Configuration Manager window 116752 Rev A Chapter 2 RADIUS Overview Remote access is a rapidly growing segment of the networking industry Users in branch offices sales people in the field and telecommuters are just a few of the people who rely on remote access to do their jobs Internet service providers ISPs want to offer more remote access services to their customers and control the billing of those services As networks grow to accommodate more users network security and billing become more difficult to manage RADIUS solves these issues by centralizing security and accounting information This improves security and provides a solution that can adapt to the changing size and needs of remote users and service providers How RADIUS Works A RADIUS application has two components the RADIUS server and the RADIUS client The RADIUS server is a computer equipped with server software for example a UNIX workstation that is located at a central office or campus It has authentication and access information in a form that is compatible with the client A network can have one server fo
36. kup or bandwidth on demand service to operate with RADIUS accounting Refer to Configuring Dial Services for instructions Once you enable RADIUS authentication the RADIUS client automatically configures a dial connection therefore you are not required to configure a dial service Enable dial optimized routing on the remote routers RADIUS authentication only Dial optimized routing prevents Routing Information Protocol RIP updates or Service Advertising Protocol SAP updates from keeping a line active unnecessarily thereby reducing the line costs Enabling this feature improves the operation of RADIUS authentication 1 2 116752 Rev A Starting RADIUS Enabling RADIUS To enable RADIUS accounting or authentication begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Create RADIUS Figure 1 1 Canl igurni ilon Hoda Lota FILE er fap_enthnafhree pyri Biti Becken Link TL BLM AIA Unrwiun zii Dele Lors 53 Gued Syne pum Empty Slot K Empty Slot Emri ala Figure 1 1 Configuration Manager Window Site Manager displays the RADIUS Client Configuration window Figure 1 2 which shows the router slots available for configuring RADIUS 116752 Rev A 1 3 Configuring RADIUS Cent breton Moar GHA omi limit IF Riem 0 0 0 0 Cole ETE Salon llas Troa awallari meint Salenta EPELI RADIS Connnrturs ai 5 4 C r MCTI 3 Bom Fco
37. nds the accounting request to the alternate server If an accounting session starts with the primary server and this server goes down the session is continued with the alternate server Unless the primary server recovers the request to end the session is then sent to the alternate server To accurately determine billing charges the network administrator collects information from all accounting servers Using PPP for Dial up Connections The Bay Networks client uses PPP for the dial up line between itself and the remote user When you configure RADIUS Site Manager automatically configures PPP for the client Configuring a Dial Service for RADIUS Accounting To use RADIUS accounting on the router you must configure at least one of the three Bay Networks dial services dial on demand dial backup or bandwidth on demand The dial service enables the router to activate a dial up connection when it receives an incoming call For information about dial services refer to Configuring Dial Services 2 6 116752 Rev A RADIUS Overview Using RADIUS Compatible Servers with the RADIUS Client The Bay Networks RADIUS client can communicate with any RADIUS compatible server You must configure the server s IP address so that the client can communicate with the server To ensure that a server is always available you can configure one primary server and multiple alternate servers The client tries to connect to the primary server first If
38. not receive a response it retransmits the request This waiting period prevents network operations from slowing down To modify the server response time begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window refer to Figure 4 2 2 Enter a value for the Response Timeout parameter then click on Apply Site Manager Response Timeout Seconds parameter page A 4 3 Click on Done to return to the Configuration Manager window Modifying the Number of Client Requests to the Server You can modify the number of times the client sends a request to the server before the client considers the server unreachable If the server is located at a distance from the client you may want to set the number of requests to a higher value than the default To modify the number of client requests to the server begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window refer to Figure 4 2 2 Enter a new value for the Maximum Message Retry parameter then click on Apply Site Manager Maximum Message Retry parameter page A 3 3 Click on Done to return to the Configuration Manager window 4 4 116752 Rev A Customizing the RADIUS Server Configuration Configuring Alternate Servers
39. ns MIB Object ID Client IP Address Protocols gt Global Protocols gt RADIUS gt Create RADIUS or Protocols gt Global Protocols gt RADIUS gt Edit RADIUS None A 32 bit IP address Identifies the RADIUS client Enter an IP address 1 3 6 1 4 1 18 3 5 22 1 1 5 116752 Rev A A 1 Configuring RADIUS Server Configuration Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Server IP Address Protocols gt Global Protocols gt RADIUS gt Create RADIUS gt Server or Protocols gt Global Protocols gt RADIUS gt Edit Server None A 32 bit IP address Identifies the RADIUS server Enter an IP address 1 3 6 1 4 1 18 3 5 22 2 1 3 Server Mode Protocols gt Global Protocols gt RADIUS gt Edit Server Both Authentication Accounting Both Specifies the RADIUS operation for this port Select the service you want for this port If you want to configure both authentication and accounting select Both 1 3 6 1 4 1 18 3 5 22 2 1 4 RADIUS Password Protocols gt Global Protocols gt RADIUS gt Edit Server None An alphanumeric string up to a maximum of 64 characters Identifies the client to the server The client and server must use the same password Enter a password that contains a ma
40. nsee must notify Bay Networks in writing of any such intended examination of the Software and Bay Networks may provide review and assistance Notwithstanding any foregoing terms to the contrary if licensee licenses the Bay Networks product Site Manager licensee may duplicate and install the Site Manager product as specified in the Documentation This right is granted solely as necessary for use of Site Manager on hardware installed with licensee s network This license will automatically terminate upon improper handling of Software such as by disclosure or Bay Networks may terminate this license by written notice to licensee if licensee fails to comply with any of the material provisions of this license and fails to cure such failure within thirty 30 days after the receipt of written notice from Bay Networks Upon termination of this license licensee shall discontinue all use of the Software and return the Software and Documentation including all copies to Bay Networks Licensee s obligations under this license shall survive expiration or termination of this license 116752 Rev A Contents About This Guide Bas ON Sense east xiii Conventions Ter leen idit ERG OR T xiv DENE occae bra pl tensa FID asa caia ex opes ana ene cp st cadi iD Fa aD pda XV Ordering Bay Networks Pu blieslions aussen rn XV Bay Nepos Customer Seite anne na xvi FIOW E a mr T xvi Por tere MON T oana P xvii Chapter 1 Starting RADIUS
41. nu and option names in instructions and internal pin to pin wire connections Example Protocols gt AppleTalk identifies the AppleTalk option in the Protocols menu Example Pin 7 gt 19 gt 20 Indicates that you enter only one of the parts of the command The vertical line separates choices Do not type the vertical line when entering the command Example If the command syntax is show at routes nets you enter either show at routes or show at nets but not both Xiv 116752 Rev A Acronyms CHAP IP IPX IPXWAN ISDN ISP ITU T LAN OSPF PAP POTS PPP RADIUS RIP SAP TCP IP UDP WAN About This Guide Challenge Handshake Authentication Protocol Internet Protocol Internet Packet Exchange Internet Packet Exchange Wide Area Network Integrated Services Digital Network Internet service provider International Telecommunication Union Telecommunications formerly CCITT local area network Open Shortest Path First protocol Password Authentication Protocol plain old telephone service Point to Point Protocol Remote Authentication Dial In User Service Routing Information Protocol Service Advertising Protocol Transmission Control Protocol Internet Protocol User Datagram Protocol wide area network Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications order by part number from Bay Networks Press at the following numbers
42. one to return to the Configuration Manager window 4 2 116752 Rev A Customizing the RADIUS Server Configuration Modifying the Server Mode The server mode tells the client how the server is configured You may want to change the service from RADIUS authentication to accounting or from accounting to authentication You may also want to use both services To modify the server mode begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window refer to Figure 4 2 2 Enter a value for the Server Mode parameter then click on Apply Site Manager Server Mode parameter page A 2 3 Click on Done to return to the Configuration Manager window Authentication and Accounting UDP Ports The User Datagram Protocol UDP port is the logical port that designates data for the RADIUS application on the server The UDP port is typically included in an IP datagram The default values for the authentication and accounting UDP ports follow the RADIUS RFC specifications In general you should not change these values Refer to Appendix A for parameter descriptions 116752 Rev A 4 3 Configuring RADIUS Modifying the Server Response Time When the client sends an accounting or authentication request to the server you can specify how long the client waits for a response from the server If the client does
43. r You are responsible for configuring only the unnumbered circuit interfaces In addition to configuring unnumbered circuit interfaces we recommend that you enable IP or IPX triggered updates for the RADIUS client The client uses triggered updates to provide its local area network LAN with routing information from the remote router Refer to Configuring IP Services or Configuring IPX Services for more information about triggered updates 116752 Rev A RADIUS Overview Configuring the Remote User to Work with the RADIUS Client In most RADIUS networks the remote user is a router To enable the remote router to work with the RADIUS authentication client follow these guidelines Enable dial optimized routing The remote router sends routing updates to advertise its LAN to the client By enabling dial optimized routing you reduce the frequency of routing updates which prevents the line from remaining active unnecessarily Configure one way PPP authentication The remote router must support one way PPP authentication which means that only the client sends CHAP challenges or PAP authentication requests to the remote user The remote user only recognizes and responds to the CHAP challenges or PAP authentication requests from the client Configure a default route in the routing table of the remote router The client does not advertise its LAN to the remote router To specify the path from the remote router to the client you con
44. r a PAP ID and password in the access challenge to the server CHAP is the default authentication protocol For more information about PPP refer to Configuring PPP Services To change the authentication protocol to PAP begin at the Configuration Manager window 1 Select Protocols gt PPP gt Interfaces Site Manager displays the PPP Interface List window Figure 3 5 PPEP fee F Interface for Dinl p Lines f if Cant te Cui tnahle 2G nah Le BEbnat IV Ensbla FpplaTalk Create IPX Exaile Figure 3 5 PPP Interface List Window 2 Select the Interface for Dialup Lines record then click on Lines Site Manager displays the PPP Line Lists window Figure 3 6 3 6 116752 Rev A Customizing the RADIUS Client Configuration MILD UC la Recep leble Lar Pan Cond Lip Regu Uti Fam imrxinmte Eecpumtn Fins Conf i grurmi ton Failure mmi bere farhaniieation Fratucul Loca Mw d Figure 3 6 PPP Line Lists Window 3 Select PAPAUTH as the value for the Local Authentication Protocol parameter 4 Click on Done You return to the PPP Interface List window refer to Figure 3 5 5 Click on Done to return to the Configuration Manager window 116752 Rev A 3 7 Configuring RADIUS Removing RADIUS Authentication and Accounting To remove RADIUS authentication and accounting from a slot begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit
45. r both authentication and accounting or one server for each service The RADIUS client can be a router or a remote access server that is equipped with client software and typically resides on the same local area network LAN segment as the server The client is the network access point between the remote users and the server 116752 Rev A 2 1 Configuring RADIUS RADIUS authentication lets you identify remote users before you give them access to a central network site RADIUS accounting enables the server to collect data during a remote user s dial in session with the client The server can then determine billing charges Figure 2 1 shows a sample network using RADIUS AI RADIUS server SS D Uu O o Remote dial in user TR A ISDN RADIUS client Remote dial in user CROOOIA Figure 2 1 Sample Network Using RADIUS Bay Networks RADIUS Implementation The following Bay Networks platforms can operate as RADIUS clients e Backbone Link Node BLN e Backbone Concentrator Node BCN e Access Stack Node ASN As a RADIUS client the router can support accounting authentication or both The number of remote users that the client can support at one time is equal to the number of active dial up connections The client can also support a primary server
46. ring RADIUS Accounting and Ahankistien C 9 BERRE AN FMD esc Eemnetur Gab Bip esconder se bdo isa bale pde CR ea nar pna C 10 Enable Dial Backup Service eraciiie tee insa tr epp sI kenne re mes EE C 10 Enable RADIUS Accounting and Auikanfeatian ee C 10 Select IP for RADIUS Authentication esses C 11 Index 116752 Rev A vii Figures Figure 1 1 Configuration Manager Window essen 1 3 Figure 1 2 RADIUS Client Configuration Window ee 1 4 Figure 1 3 RADIUS MENU nie 1 4 Figure 1 4 Choose WAN Serial Interface Type Window sseeeeeess 1 5 Figure 1 5 Syne Line Media Type Window scanner 1 6 Figure 1 6 Async Line Media Type Window anne en 1 6 Figure 1 7 ISDN Switch Configuration Window 2 cccccecceeeeeeeeeeeeeeneeeeneeeeeeeeeees 1 7 Figure 1 8 ISDN Logical Lines Window seess ee 1 7 Figure 1 9 Primary Server Address Window eene 1 9 Figure 1 10 RADIUS Server Configuration Window eee 1 10 Figure 1 11 RADIUS Dial In Slot Window nennen 1 11 Figure 1 12 RADIUS Dial In Protocol Window 2 iere rtr e Enea 1 12 Figure 1 13 Dial Optimized Routing Query Window sese TOUT 1 12 Figure 2 1 Sample Network Using RADIUS en eere entire emue 2 2 Figure 3 1 RADIUS Client Configuration Window usnseensensennnennnnnnnennen san 3 1
47. sclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN Optivity PPX Bay Networks SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and ANH ARN ASN BaySIS BayStack BayStream BCNX BLNX EZ Install EZ Internetwork EZ LAN PathMan PhonePlus Quick2Config RouterMan SPEX Bay Networks Press the Bay Networks logo and the SynOptics logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners Statement of Conditions In the interest of improving internal design operational function and or reliability Bay Networks Inc reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product are Copyright 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution
48. shall not make the resulting software available for use by any third party Neither title nor ownership to Software passes to licensee Licensee shall not provide or otherwise make available any Software in whole or in part in any form to any third party Third parties do not include consultants subcontractors or agents of licensee who have licensee s permission to use the Software at licensee s facility and who have agreed in writing to use the Software only in accordance with the restrictions of this license Third party owners from whom Bay Networks has acquired license rights to software that is incorporated into Bay Networks products shall have the right to enforce the provisions of this license against licensee Licensee shall not remove or obscure any copyright patent trademark trade secret or similar intellectual property or restricted rights notice within or affixed to any Software and shall reproduce and affix such notice on any backup copy of Software or copies of software resulting from modification or combination performed by licensee as permitted by this license 116752 Rev A iii Bay Networks Software License continued 10 11 12 Licensee shall not reverse assemble reverse compile or in any way reverse engineer the Software Note For licensees in the European Community the Software Directive dated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Lice
49. terface Repeat Steps 1 and 2 to configure additional BRI interfaces Select Dialup Backup Pools Site Manager displays the Backup Pools window Click on Add Site Manager displays the Backup Pools Configuration window Enter a pool ID then click on OK Site Manager displays the Backup Lines Definition window Click on an ISDN connector to assign a line to the pool following these guidelines e Site Manager does not allow you to select any lines that you configured as leased lines e Lines in a backup pool may reside across slots Site Manager displays the ISDN Switch Configuration window Click on Done to accept the parameter defaults Site Manager displays the ISDN Logical Lines window Click on OK to accept the parameter defaults C 6 116752 Rev A Configuration Examples You return to the Backup Lines Definition window The letter B backup appears next to the ISDN port to indicate that it is a backup line 9 Select File gt Exit to exit the Backup Lines Definition window You return to the Backup Pools window which has three new buttons Edit Apply and Delete that allow you to edit the new pool 10 Repeat Steps 3 through 9 to select additional lines for the pool 11 Click on Done to return to the Configuration Manager window Create a Dial Backup Circuit To create a PPP backup circuit begin at the Configuration Manager window 1 Select Backup Circuits gt PPP Site Manager displays
50. the Primary Circuit Definition window which lists the leased circuits that you have configured 2 Select a circuit entry and click on Cct Type Site Manager displays the Circuit Options window 3 Enter Primary for the Circuit Type parameter 4 Enter the ID of the backup pool that this circuit should use 5 Click on OK You return to the Primary Circuit Definition window which shows the parameter defaults supplied by Site Manager 6 Repeat Steps 2 through 5 to specify additional primary circuits 7 Scroll down the Primary Circuit Definition window to the Backup Mode parameter 8 Select a value for the Backup Mode parameter The default is Master If this router is the master router the peer router s backup mode must be set to Slave If you set the backup mode to Slave Site Manager prompts you for caller resolution information so the slave router can verify the identity of a remote caller Refer to Configuring Dial Services for more information about dial backup circuits 116752 Rev A C 7 Configuring RADIUS Enable RADIUS Accounting To enable RADIUS accounting begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Create RADIUS Site Manager displays the RADIUS Client Configuration window To configure a slot for RADIUS click on the box labeled None Site Manager displays a menu showing the RADIUS options Select Accounting for the slot Enter 192 32 24 2
51. to return to the Configuration Manager window 4 6 116752 Rev A Customizing the RADIUS Server Configuration Reconnecting to the Primary Server If the primary server fails you can instruct the client to use an alternate server but after a specified time period try to reconnect to the primary server To reconnect to the primary server begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window refer to Figure 4 2 Enter a new value for the Server Reset Timer parameter then click on Apply Site Manager Server Reset Timer minutes parameter page A 4 3 Click on Done to return to the Configuration Manager window Changing the Primary and Alternate Servers You can change which server is the primary and which is the alternate Begin at the Configuration Manager window 1 Select Protocols gt Global Protocols gt RADIUS gt Edit Server Site Manager displays the RADIUS Server Configuration window refer to Figure 4 2 Select an alternate server entry from the list Set the Server Mode parameter to the appropriate service Site Manager Server Mode parameter page A 2 Click on Primary Site Manager changes the entry in the list The alternate server is now the primary server and the original primary server is now the alternate server Click on Done to return
52. uing alternate servers 4 5 modifying the RADIUS password 4 1 reconnecting to the primary server 4 7 removing server entries 4 8 requests from the client 4 4 UDP ports 4 3 Server IP Address parameter A 2 Server Mode parameter 4 3 A 2 Server Reset Timer parameter A 4 Slot Number parameter A 5 116752 Rev A T Technical Solutions Centers xvi U UDP port description 4 3 modifying 4 3 unnumbered circuit interfaces for authentication 24 W World Wide Web page Bay Networks xvii 116752 Rev A Index 3 Index 4 116752 Rev A
53. unction Instructions MIB Object ID Response Timeout seconds Protocols gt Global Protocols gt RADIUS gt Edit Server 3 1 to 60 Specifies the number of seconds the RADIUS client waits before retransmitting a request to the RADIUS server Accept the default or enter a number of seconds in the range 1 to 60 1 3 6 1 4 1 18 3 5 22 2 1 12 Server Reset Timer minutes Protocols gt Global Protocols gt RADIUS gt Edit Server 10 1 to 60 Specifies the number of minutes the RADIUS client waits before retrying the primary server after it fails to respond If the primary server fails to respond the client considers it unreachable and switches to the alternate server After this specified time period the client tries to reconnect to the primary server Accept the default or enter the number of minutes you want the client to wait for the primary server to recover 1 3 6 1 4 1 18 3 5 22 2 1 14 A 4 116752 Rev A RADIUS Parameters Protocol Parameters for RADIUS Authentication Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID These protocols are only for RADIUS authentication Slot Number Protocols gt Global Protocols gt RADIUS gt Edit RADIUS gt Dial In Protocol gt RADIUS Dial_In Slot None An inte
54. vers configuring 2 7 Auth UDP Port parameter A 3 authentication See RADIUS authentication 2 3 authentication protocol See PPP Bay Networks Press xv Bay Networks World Wide Web page xvii Bridge Enable parameter A 7 C Challenge Handshake Authentication Protocol CHAP for RADIUS authentication 2 5 client description 2 1 operating with other vendors servers 2 7 router as 2 2 router platforms supported 2 2 client configuration choosing authentication protocols 3 3 modifying 3 1 modifying the IP address 3 1 modifying the type of service 3 2 removing RADIUS authentication and accounting 3 8 sending server requests 4 4 116752 Rev A Index Client IP Address parameter A 1 configuration examples RADIUS accounting C 5 RADIUS authentication C 2 RADIUS authentication and accounting C 9 customer support programs xvi Technical Solutions Centers xvi Internet drafts about RADIUS 2 8 IP addresses client 3 1 extensions 2 7 IP Enable parameter A 5 IPX Enable parameter A 6 IPXWAN Enable parameter A 6 Maximum Message Retry parameter A 3 MIB object ID using A 1 O OSPF Enable parameter A 6 P parameters Acct UDP Port A 3 Auth UDP Port A 3 Bridge Enable A 7 Index 1 Client IP Address defaults B 1 IP Enable A 5 IPX Enable A 6 IPXWAN Enable A 6 Maximum Message Retry A 3 OSPF Enable A 6 Response Timeout A 4 RIP Enable A 5 Server IP Address Server
55. which is the original destination server and an alternate server which is a server that the client contacts if it cannot reach the primary server 2 2 116752 Rev A RADIUS Overview RADIUS Authentication You configure RADIUS authentication on a slot by slot basis Therefore a call designated for a RADIUS configured slot performs authentication If the router is already using a slot for dial on demand dial backup or bandwidth on demand service you cannot configure this slot for authentication When a remote user calls the RADIUS client the client passes the call request referred to as the access challenge to the RADIUS server The access challenge contains the user s name and password The server verifies the user s identity and for authorized callers responds with an access accept message which includes the required access information This information is sent to the client which passes it to the remote user If the remote user is not authorized the server responds with an access reject message The client can pass multiple requests to the server simultaneously If the client cannot reach the server and you configured an alternate server the client passes the request to the alternate server The authentication process occurs only once for each call Once RADIUS authentication is complete the remote user can communicate with the destination network Using PPP for Dial up Connections The Bay Networks RADIUS cli
56. ximum of 64 characters 1 3 6 1 4 1 18 3 5 22 2 1 11 A 2 116752 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID RADIUS Parameters Auth UDP Port Protocols gt Global Protocols gt RADIUS gt Edit Server 1645 An integer specifying the UDP logical port for authentication Designates a data packet for RADIUS authentication This number is required for access to the authentication server Accept the default 1 3 6 1 4 1 18 3 5 22 2 1 6 Acct UDP Port Protocols gt Global Protocols gt RADIUS gt Edit Server 1646 An integer specifying the UDP logical port for accounting Designates a data packet for RADIUS accounting This number is required for access to the accounting server Accept the default 1 3 6 1 4 1 18 3 5 22 2 1 9 Maximum Message Retry Protocols gt Global Protocols gt RADIUS gt Edit Server 2 1to 10 Specifies the number of times the RADIUS client retransmits a request before it considers the RADIUS server unreachable Enter the number of times you want the client to retransmit a request 1 3 6 1 4 1 18 3 5 22 2 1 13 116752 Rev A A 3 Configuring RADIUS Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options F

Avaya Configuring RADIUS Services User's Manual

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