30 likes | 176 Views
L2TP support in WLAN interworking. WLAN MS acts as LAC client PDIF acts as LNS server Tunnel Establishment Tunnel establish (Phase 1) Session establish (Phase 2). WLAN MS (LAC). PDIF (LNS). Tunnel. L2TP support in WLAN interworking(2). Control. Data. IP2. PPP. L2TP Ctrl msg.
E N D
L2TP support in WLAN interworking • WLAN MS acts as LAC client • PDIF acts as LNS server • Tunnel Establishment • Tunnel establish (Phase 1) • Session establish (Phase 2) WLAN MS (LAC) PDIF (LNS) Tunnel
L2TP support in WLAN interworking(2) Control Data IP2 PPP L2TP Ctrl msg L2TP Data msg UDP UDP IP IP WLAN
L2TP support in WLAN interworking(3) • L2TP with IPSec • IPSec provide transport security • Access Control • CHAP