
PPP Concepts
308639-14.00 Rev 00
2-3
Table 2-1. Sample Data Link Control Protocol Options
Option Function
Maximum Receive Unit Specifies the maximum receive unit (MRU) size for
the line
Maximum Transmission Unit Specifies the maximum transmission unit (MTU)
size for the line
Authentication Protocol:
•
Password Authentication
Protocol (PAP)
•
Challenge Handshake
Authentication Protocol
(CHAP)
Imposes network security by requiring an
authentication process
Link Quality Protocol Enables or disables link quality monitoring and
reporting
Multilink Endpoint Discriminator Enables the PPP multilink protocol and specifies
the identity of the sender of the option
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