Wi fi call flows

1. WiFi Call Flows Sylvester, Prasanth

2. © Nokia Siemens Networks | Idea WiFi Solution Call Flows Open ssid [ forwarding to captive portal] CoA (Request) RADIUS Access Request (RADIUS) Access Reply(RADIUS) CoA ( Ack ) RADIUS Accounting-Request[RADIUS] Accounting-Response [RADIUS] DHCP Request DHCP Reply www.nokiasiemensnetworks.com Redirects to Captive Portal User is presented with Captive Portal page User enters the credentials Probe Request Probe Resp [SSIDs] Association Req / Res

3. © Nokia Siemens Networks | Idea WiFi Solution Probe Request / Response Association Request Association Response Request Identity Please enter your login name Response Identity BC-20-A4-DF-3A-76 Access Request [ RADIUS ] Access Challenge [RADIUS ] EPOL Start EAP Request [OTP] EAP Response [OTP] Access Request [ RADIUS ] Access Challenge [RADIUS ] / Response Change Cipher Access Request [ RADIUS ] Access Accept [RADIUS ] EAP Success DHCP Request DHCP Reply Call Flows Secure SSID [using 802.1x]

4. © Nokia Siemens Networks | Idea WiFi Solution Active Discovery Initiation (PADI) Broadcast Broadcast Active Discovery Offer (PADO) AC-Name=' cochinidea ’ Active Discovery Request (PADR) Active Discovery Session-confirmation (PADS) PPP LCP Messages Authenticate-Request (PPP PAP) [PPPoE username/password] Access Request (RADIUS) Access Reply(RADIUS) Authenticate- Ack (Message='') Configuration Request [PPP IPCP] / Configuration ACK [PPP IPCP] Accounting-Request[RADIUS] Accounting-Response [RADIUS] termination (PADT) Call Flows PPPoE