Billion BiPAC 8500/8520 User Manual page 131

Authentication
Encryption
Perfect
Forward
Secrecy
Pre-shared Key
Example: Configuring your Router to Dial-in to the Server
Currently, Microsoft Windows operation system does not support L2TP incoming service.
Additional software may be required to set up your L2TP incoming service.
Chapter 4: Configuration
Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
MD5
3DES
Both sites should use the same value.
None
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