ZyXEL P-324 User Guide - Page 318
PPP Data Connection, Diagram B-3 Example Message Exchange between PC and an ANT
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Prestige 324 User's Guide The control connection runs over TCP. Similar to L2TP, a tunnel control connection is first established before call control messages can be exchanged. Please note that a tunnel control connection supports multiple call sessions. The following diagram depicts the message exchange of a successful call setup between a PC and an ANT. Diagram B-3 Example Message Exchange between PC 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. PPTP B-3
Prestige 324 User’s Guide
PPTP
B-3
The control connection runs over TCP. Similar to L2TP, a tunnel control connection is first established
before call control messages can be exchanged. Please note that a tunnel control connection supports multiple
call sessions.
The following diagram depicts the message exchange of a successful call setup between a PC and an ANT.
Diagram B-3 Example Message Exchange between PC 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.