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Hub & Spokes Non-Authenticated Mode
Softwire
Host
User
ISP Network
(Visited)
AF(i)
SI
L2TPv2, PPP
Non-Authentication Service
Snoop
Spoof
Replay
Modification Deletion
MITM
BLH
Rogue SC
Public Facilities
Service Theft
Non-TRUSTED
Ingress Filter
Anonymous Connection
PPT Version