Ppp data connection – ZyXEL Communications ZyXEL ZyWALL P1 User Manual

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ZyWALL P1 User’s Guide

Appendix D PPTP

293

Figure 164 Example Message Exchange between Computer and an ANT

PPP Data Connection

The PPP frames are tunneled between the PNS and PAC over GRE (General Routing
Encapsulation, RFC 1701, 1702). The individual calls within a tunnel are distinguished using
the Call ID field in the GRE header.

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