Buffalo 09101912-0 User Manual

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Chapter 4  Configuration
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VPN Passthrough (Router Mode only)
Configure IPv6 passthrough, PPPoE passthrough, and PPTP passthrough.
Parameter
Meaning
IPv6 Passthrough
Enable to use IPv6 Passthrough for address translation.
PPPoE Passthrough
Enable to use PPPoE bridging. PPPoE bridging lets you 
automatically obtain an IP address from your provider for your LAN-
side computer using the PPPoE protocol because PPPoE packets 
can pass between the Internet and LAN.
PPTP Passthrough
Enable to use PPTP passthrough for address translation.