Introduction to Diameter Protocol – Part 1

Introduction

Diameter is an authentication, authorization, and accounting protocol. used primarily for Service provider networks . It evolved from and replaces the much less capable RADIUS protocol that preceded it.

in this presentation I will try to familiarize you with the new AAA protocol and deep dive into the diameter protocol details, Credit Control Application (Gx,Gy and GZ) and sample use case for peering Sandvine PTS (Working as PCEF) with freePCRF.server and finally introduce you with seagull, a popular test tool to test different diameter-based scenarios

Hope You like it.

Juniper MX BRAS – Part 2

In this post I will continue to deep dive into the Juniper MX configuration and tweak it to work as a BRAS. Please refer to my previous blog post for more information on PPP protocol Stack

Let’s start

to configure MX as a BRAS,  The Following configuration is needed on BRAS

Basics Configuration

  • Interface creation –>configuration inside dynamic profile
    • Vlan Interface
    • PPP Interface
  • PPP Handling(PAP) –>configuration inside dynamic profile
  • Creating loopback
  • Radius Authentication – – >configuration inside access-profile
  • Radius Accounting – – >configuration inside access-profile
  • Address Assignment – – >configuration inside access-profileService and speed allocation

Advanced(Optional)

  • Advanced QoS
  • Change Of Authorization
  • Captive portal/redirection configuration
  • Wholesale

Read More »

Juniper MX BRAS – Part 1

 

In last few weeks, I Spent most of my time working on Juniper MX and try to evaluate it as a BRAS. Previously I was working on Juniper E Series Broadband routers and now some of my customers need to move to the new MX especially after EOL announcement of E series platform. So let’s start

 

Part 1: Introduction To PPP Protocol

Part2: Juniper Mx BRAS Configuration

Part3: Juniper Steel-Belted Radius Configuration

Part4: Final Thoughts and wrapping up!

 

First Here’s my topology that I will work on it

image

 

Nodes Name and Function

Node Name

Platform

PPPoE_Client Windows 7 with PPPoE Interface
PPPoE_server Juniper vMX router working as BRAS and with SM license installed on it RE14.1
AAA Juniper Steel-Belted Radius (SBR)
LDAP Any Open source LDAP , OpenLdap is OK

 

Read More »