Ubigate iBG3026 Configuration Guide
CHAPTER 8.
PPP, MLPPP, and HDLC
Ubigate iBG3026 provides Point-to-point protocol over WAN interfaces feature.
The Point-to-Point Protocol(PPP) provides a standard method for transporting
multi-protocol datagrams over point-to-point links. These links provide full-
duplex simultaneous bi-directional operation and are assumed to deliver
packets in order. The following figure explains how PPP fits into the Ubigate
iBG3026 routing/forwarding architecture.
Network Protocol(IP)
IP Control Protocol(IPCP)
Authentication
Authentication
Authentication
LCP
LCP
LCP
HDLC-T1 F raming(WAN Driver)
Figure 8.1 Overview of PPP
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