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Home > Support > Technical Documentation > JunosE Software > Remote Access Services on E Series Broadband Services Routers, Release 13.2
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Remote Access Services on E Series Broadband Services Routers, Release 13.2

Broadband Remote Access Server (B-RAS) is an application on an E Series router that aggregates the output from digital subscriber line access multiplexers (DSLAMs) and routes traffic into an Internet service provider’s (ISP’s) backbone network. It also performs authentication, authorization, and accounting functions for subscriber sessions. You can also collect accounting information and statistics for subscriber service sessions.


This page provides information about the JunosE Software features that you can use to manage subscribers using the B-RAS application on E Series routers:


JunosE Software Documentation for E Series Broadband Services Routers, Release 13.2

  • Overview
  • Configuration
  • Administration
  • Troubleshooting
Understanding Remote Access

Remote Access Overview

Remote Access Platform Considerations

Remote Access References

DHCP Features

How the Domain Map Feature Works

Domain Name Aliases Overview

Overview of Mapping a User Domain to a Virtual Router

Domain Name and Realm Name Overview

Understanding Authentication and Accounting Servers Functions

RADIUS Authentication and Accounting Servers Configuration Overview

Local Authentication Servers Configuration Overview

Tunnel Subscriber Authentication Configuration Overview

Understanding Address Servers Functions

Name Server Addresses Configuration Overview

Local Address Servers Configuration Overview

AAA Profiles

AAA Profile Configuration Overview

AAA Logical Line Identifier for Subscriber Tracking Overview

RADIUS Attributes in Preauthentication Request

Considerations for Using the LLID

Route Download Servers for IPv4 and IPv6 Routes

RADIUS Route-Download Server for Route Distribution Overview

Termination of PPP and L2TP Subscriber Sessions

Overview of Mapping Application Terminate Reasons and RADIUS Terminate Codes

Timeout Configuration Overview

DHCPv6 Prefix Delegation and IPv6 Neighbor Discovery for AAA Subscribers

Standard RADIUS IPv6 Attributes for IPv6 Neighbor Discovery Router Advertisements and DHCPv6 Prefix Delegation Configuration

Maximum Number of IPv6 Prefixes Assigned to Clients Using Both DHPCv6 Local Server and Neighbor Discovery Router Advertisements

Maximum Number of IPv6 Prefixes Assigned to Clients Using Only the DHCPv6 Local Server

DHCPv6 Local Address Pools for Allocation of IPv6 Prefixes Overview

IPv6 Prefix Allocation Using Neighbor Discovery Router Advertisements from IPv6 Address Pools Overview

Validation of Duplicate Prefixes and Addresses

Duplicate IPv6 Prefix Check Overview

Duplicate IPv6 Prefix Detection in the AAA User Profile Database Overview

Guidelines for Duplicate Address Verification

Interoperation with SRC Software

SRC Client Configuration Overview

SRC Client and COPS Terminology

Retrieval of DSL Line Rate Information from Access Nodes Overview

Application Terminate Reasons

AAA Terminate Reasons

L2TP Terminate Reasons

PPP Terminate Reasons

RADIUS Client Terminate Reasons

Configuring B-RAS Services

Remote Access Configuration Tasks

Enabling the B-RAS Application

Configuring a B-RAS License

Configuration Tasks for AAA Accounting

Configuring AAA Duplicate Accounting

Configuring AAA Broadcast Accounting

Overriding AAA Accounting NAS Information

Collecting Accounting Statistics

Configuration Tasks for AAA Servers

Configuring RADIUS AAA Servers

Configuring DNS Primary and Secondary NMS

Configuring WINS Primary and Secondary NMS

Configuration Tasks for AAA Authentication and User Database

Creating the AAA Local Authentication Environment

Creating AAA Local User Databases

Adding AAA User Entries to Default Local User Databases

Adding AAA User Entries to Local User Databases

Configuring AAA User Entries in Local User Databases

Assigning a Local User Database to a Virtual Router

Enabling Local Authentication on the Virtual Router

Configuration Tasks for Local Address Pools

Configuring a Local Address Server

Configuring the DHCPv6 Local Address Pools

Configuring IPv6 Neighbor Discovery Local Address Pools

Configuring Clients Logging In to Interfaces

Creating an IP Interface

Configuring Single PPP Clients per ATM Subinterface

Configuring Multiple PPP Clients per ATM Subinterface

Configuration Tasks for AAA Profiles

Controlling Access to Domain Names

Configuring an AAA Per-Profile Attribute List

Configuring the NAS-Port-Type Attribute Manually

Configuring a Service Description for the AAA Profile

Configuring the Router to Obtain the LLID for a Subscriber

Configuration Task for Route-Download Servers for IPv4 and IPv6

Configuring the Route-Download Server to Download Routes

Configuration Tasks for Duplicate Prefixes Detection

Configuring Duplicate IPv6 Prefix Check

Configuring Detection of Duplicate IPv6 Prefixes in the AAA User Profile Database

Configuring COPS Interworking with SRC Client

Configuring the SRC Client

Examples

Example: Domain Name and Realm Name

Example: Stripping Domain Name Per Virtual Router for RADIUS Server Authentication

Example: Delegating the DHCPv6 Prefix

Example: Configuring AAA Local Authentication

Example: Associating all Subscribers of a PPP Interface with a Specific Domain Name

Example: Associating Multiple Domain Names with a Specific Domain Name

Example: Limiting the Number of Prefixes Used by DHCPv6 Clients

Example: Using DHCPv6 Local Address Pools for Prefix Delegation over non-PPP Links

Configuration Commands

aaa dhcpv6-ndra-pool override

aaa dns

aaa ipv6-dns

aaa accounting duplication

aaa accounting broadcast

aaa accounting statistics

aaa accounting vr-group

aaa authentication default

aaa domain-map

aaa duplicate-address-check

aaa duplicate-prefix-check

aaa duplicate-prefix-check-extension

aaa local select database

aaa local username

dns-domain-search

dns-server

exclude-prefix

exclude-ndraprefix

ipv6 address

ipv6 nd

ipv6 unnumbered

prefix

ipv6 address-pool local

ipv6 local pool

ipv6-prefix-pool-name

ipv6 address-pool ndra

ipv6 local ndra-pool

license b-ras

ndraprefix

radius override nas-info

radius accounting server

radius authentication server

radius rollover-on-reject

radius tunnel-accounting

radius udp-checksum

radius trap acct-server-responding

radius trap acct-server-not-responding

radius trap no-acct-server-responding

radius trap auth-server-responding

radius trap auth-server-not-responding

radius trap no-auth-server-responding

retransmit

snmp-server

snmp-server community

snmp-server enable traps

snmp-server host

snmp-server trap-source

sscc address

sscc enable

sscc option

timeout

udp-port

virtual-router

Monitoring AAA Server and Authentication Settings

Setting Baselines for Remote Access

How to Monitor PPP Interfaces

Monitoring the AAA Model

Monitoring IP Addresses of Primary and Secondary DNS and WINS Name Servers

Monitoring AAA Server Attributes

Monitoring Configuration Information for AAA Local Authentication

Monitoring the B-RAS License

Monitoring AAA Accounting Details

Monitoring the AAA Accounting Configuration

Monitoring AAA Accounting Default

Monitoring the AAA Accounting Interval

Monitoring AAA Specific Virtual Router Groups

Monitoring the Mapping of User Domains to Virtual Routers

Monitoring the Default AAA Authentication Method List

Monitoring AAA Domain Name Stripping for a Domain Per Virtual Router

Monitoring Mapping Between User Domains and Virtual Routers

Monitoring Tunnel Subscriber Authentication

Verifying Settings for Detection of Duplicate Prefixes

Monitoring Routing Table Address Lookup

Monitoring the Routing Table

Monitoring AAA Profiles and Subscriber Sessions

Monitoring AAA Profile Configuration

Monitoring the Number of Active Subscribers Per Port

Monitoring the Maximum Number of Active Subscribers Per Virtual Router

Monitoring Session Timeouts

Monitoring Route-Download Server Settings

Monitoring Statistics about the RADIUS Route-Download Server

Monitoring Routes Downloaded by the RADIUS Route-Download Server

Monitoring Chassis-Wide Routes Downloaded by the RADIUS Route-Download Server

Monitoring AAA Accounting Details

Monitoring AAA Statistics

Monitoring Interim Accounting for Users on the Virtual Router

Monitoring Virtual Router Groups Configured for AAA Broadcast Accounting

Monitoring COPS Layer Settings

Monitoring the COPS Layer Over SRC Connection

Monitoring Statistics About the COPS Layer

Monitoring SRC Client Settings

Monitoring SRC Client Connection Status

Monitoring SRC Client Connection Statistics

Monitoring the SRC Option

Monitoring the SRC Client Version Number

Monitoring the IP Local Address Pools Configuration

Monitoring Local Address Pools

Monitoring Local Address Pool Aliases

Monitoring Local Address Pool Statistics

Monitoring Shared Local Address Pools

Monitoring RADIUS Servers and Services for AAA Features

Monitoring the RADIUS Server Algorithm

Monitoring the RADIUS Attribute Used for DHCPv6 Prefix Delegation

Monitoring the RADIUS Attribute Used for IPv6 Neighbor Discovery Router Advertisements

Monitoring the RADIUS Rollover Configuration

Monitoring RADIUS Override Settings

Monitoring RADIUS Server Information

Monitoring RADIUS Accounting for L2TP Tunnels

Monitoring RADIUS Services Statistics

Monitoring RADIUS SNMP Traps

Monitoring RADIUS UDP Checksums

Monitoring RADIUS Server IP Addresses

Verifying Active Subscriber Session Details

Monitoring Subscriber Information

Investigating Causes for Termination of User Sessions

Monitoring Application Terminate Reason Mappings

Monitoring IPv6 Local Address Pool Settings

Monitoring IPv6 Local Pools for Neighbor Discovery Router Advertisements for all Configured Pools

Monitoring IPv6 Local Pools for Neighbor Discovery Router Advertisements by Pool Name

Monitoring IPv6 Local Pool Statistics for Neighbor Discovery Router Advertisements Allocation of Prefixes

Monitoring IPv6 Local Pools for DHCP Prefix Delegation By All Configured Pools

Monitoring IPv6 Local Pools for DHCP Prefix Delegation By Pool Name

Monitoring IPv6 Local Pool Statistics for DHCP Prefix Delegation

Monitoring Commands

baseline aaa

baseline aaa route-download

baseline cops

baseline local pool

baseline radius

baseline sscc

show aaa accounting

show aaa accounting default

show aaa authentication default

show aaa delimiters

show aaa strip-domain

show aaa domain-map

show aaa duplicate-address-check

show aaa duplicate-prefix-check-extension

show aaa ipv6-nd-ra-prefix

show aaa dhcpv6-delegated-prefix

show aaa model

show aaa name-servers

show aaa profile

show aaa route-download

show aaa route-download routes

show aaa route-download ipv6 routes

show aaa route-download routes global

show aaa route-download ipv6 routes global

show aaa statistics

show aaa subscriber per-port-limit

show aaa subscriber per-vr-limit

show aaa timeout

show aaa user accounting interval

show cops info

show cops statistics

show ip local alias

show ip local pool

show ip local shared-pool

show ip route

show ipv6 local pool

show ipv6 local ndra-pool

show license b-ras

show radius algorithm

show radius override

show radius rollover-on-reject

show radius servers

show radius statistics

show radius tunnel-accounting

show sscc info

show sscc options

show sscc statistics

show sscc version

show subscribers

SNMP Traps and System Logs for Authentication Failures

SNMP Traps and System Log Messages Overview

Configuring SNMP Traps

Configuring SNMP Traps

Troubleshooting RADIUS Preauthentication Failure

Troubleshooting Subscriber Preauthentication

Knowledge Base

AAA route-download password does not display when the configuration is viewed

AAA route download fails when the target is an lm10u

Load Errors continuously increment for route table distributions on the Access Line Card

Communication between DHCP Local Server and SSCC is broken

SSCC doesn't send accounting message immediately prior to DRQ

SSCC configuration on ERX for SRC to manage DHCP subscribers

SSCC connection fails after an SRP switch with High Availability active

SSCC client does not report DHCP external event when it is restarted

SDX will not accept new cops connection after shutdown of sscc on ERX

SSCC policies do not get cleaned up when an underlying interface is removed

Differences between SRC accounting and ERX AAA accounting

AAA UserProfile causes memory leak on standby SRP.

How to verify the operation of AAA Duplicate Accounting

AAA is using the method list for address allocation from the wrong VR context

"AAA duplicate address check" might miss/can't check duplicate addresses in some circumstances.

The ERX doesn't return an error when you try to delete a non-existent AAA Profile

Addresses are not freed up from a Local Pool if ip-hint is enabled in the domain map

aaa domain-map auth-router-name will ignore RADIUS VSA(s) when defined with a virtual-router other than default

Configuring ERX and Windows XP for L2TP over IPSec

Clarification of the local IP pool trap threshold.

Understanding RADIUS Accounting Statistics

Users cannot log in when reference to address pool source is incorrect

Behavior of ERX RADIUS Client when more than 256 authentication requests are outstanding

ERX local IP address pool maximums

"show subscriber summary" count includes L2TP sessions.

SAE: COPS fail due to Router `router-london' not unique

[SRC] Improper SAE shutdown can cause SAE to not establish a COPS session

[SRC] Changing the hostname of E-series causes COPS flapping and exhausted SRC memory

Packet Loss on ipv6 interface when neighbor discovery is enabled

Hashing algorithm for ipv6 neighbor discovery table causes poor performance while throughput testing with incremental addresses

dhcpv6 local server fails to perform ipv6 prefix delegation for a dual-stacked client after the client abnormally disconnects without sending dhcpv6 Release.

Sample configuration to setup ERX as dhcpv6 Local Server

 

Downloads

  • Download this page: Remote Access Services on E Series Broadband Services Routers, Release 13.2 PDF Document
  • Broadband Access Configuration Guide, Release 13.2.0 PDF Document
 
 
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