Juniper JUNOSE 11.1.X - BROADBAND ACCESS CONFIGURATION GUIDE 6-4-2010 Configuration Manual page 11

Chapter 2
Using RADIUS Route-Download Server to Distribute Routes ..........................71
Format of Downloaded Routes ...............................................................71
Framed-Route (RADIUS attribute 22) ................................................72
Cisco-AVPair (Cisco VSA 26-1) ..........................................................72
How the Route-Download Server Downloads Routes ..............................72
Configuring the Route-Download Server to Download Routes .................72
Using the AAA Logical Line Identifier to Track Subscribers ............................76
How the Router Obtains and Uses the LLID ............................................76
RADIUS Attributes in Preauthentication Request ....................................77
Considerations for Using the LLID ...........................................................78
Configuring the Router to Obtain the LLID for a Subscriber ....................79
Troubleshooting Subscriber Preauthentication ........................................81
Using VSAs for Dynamic IP Interfaces ...........................................................82
Traffic Shaping for PPP over ATM Interfaces ...........................................83
Mapping Application Terminate Reasons to RADIUS Terminate Codes .........84
Configuration Example ...........................................................................86
Configuring Timeout .....................................................................................88
Limiting Active Subscribers ...........................................................................89
Notifying RADIUS of AAA Failure ..................................................................90
Configuring Standard RADIUS IPv6 Attributes for IPv6 Neighbor Discovery
Router Advertisements and DHCPv6 Prefix Delegation ...........................90
Propagation of LAG Subscriber Information to AAA and RADIUS ..................92
Configuring the SRC Client ............................................................................94
Retrieval of DSL Line Rate Information from Access Nodes Overview .........102
DHCPv6 Local Address Pools for Allocation of IPv6 Prefixes Overview .......103
DHCPv6 Prefix Delegation Example .....................................................105
Order of Preference in Determining the Local Address Pool for Allocating
Prefixes ..........................................................................................106
Order of Preference in Allocating Prefixes and Assigning DNS Addresses
to Requesting Routers ....................................................................106
Configuring the DHCPv6 Local Address Pools ..............................................107
Limitation on the Number of Prefixes Used by Clients ..........................109
Using DHCPv6 Local Address Pools for Prefix Delegation over non-PPP Links
Example ...............................................................................................110
Monitoring and Troubleshooting Remote Access
Setting Baselines for Remote Access ...........................................................114
Setting a Baseline for AAA Statistics ......................................................115
Setting a Baseline for AAA Route Downloads ........................................115
Setting a Baseline for COPS Statistics ....................................................115
Setting a Baseline for Local Address Pool Statistics ...............................115
Setting a Baseline for RADIUS Statistics ................................................116
Setting the Baseline for SRC Statistics ...................................................116
How to Monitor PPP Interfaces ...................................................................116
Monitoring AAA Accounting Configuration ..................................................116
Monitoring AAA Accounting Default ............................................................117
Monitoring Accounting Interval ...................................................................118
Monitoring Specific Virtual Router Groups ...................................................118
Monitoring the Default AAA Authentication Method List ..............................119
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Table of Contents