# PPT Slide

> RADIUS: Basics Authentication Data Flow

> ISP User Database

> ISP Modem Pool

> User dials modem pool and establishes connection

> UserID: bob Password: ge55gep

> UserID: bob Password: ge55gep NAS-ID: 207.12.4.1

> Select UserID=bob

> Bob password=ge55gep Timeout=3600 [other attributes]

> Access-Accept User-Name=bob [other attributes]

> Framed-Address=217.213.21.5

> The Internet

> ISP RADIUS Server

> Internet PPP connection established

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