Avaya Configuring PPP Services Manuel d'utilisateur Page 28

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Configuring PPP Services
2-2 117360-A Rev. A
PPP Overview
Point-to-Point Protocol (PPP) is a standard method of routing or bridging
datagrams between peer routers or other devices over serial point-to-point links
(F
igure 2-1).
Figure 2-1. Point-to-Point Network Connection
PPP serves three major functions:
Data link layer connection and management
Network layer connection and management
Datagram encapsulation
PPP uses a suite of data link and network control protocols to connect peer
routers. PPP also allows peers to negotiate and determine data link and network
layer options, such as those listed in T
able 2-2 and Table 2-3. When negotiations
complete successfully, PPP encapsulates the data and transmits it over the link.
Stopping the Flow of Traffic over a PPP Interface 2-27
Where to Go Next 2-27
Topic Page
LAN LAN
Router Router
Synchronous line
PPP0001A
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