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PPP Standards
(Page 2 of 3)
Base PPP Standards
Table 25
shows the main documents that describe PPP in general terms.
They cover the basic operation of PPP including the PPP
Link Control Protocol (LCP) and encapsulation
of datagrams.
Table 25: PPP Base Standards
RFC Number
|
Standard
Name
|
Description
|
1570
|
PPP LCP
Extensions
|
Defines two new features for
LCP that allow devices to identify each other to the other device and
also tell the other device how much time remains in the current session.
|
1661
|
The
Point-to-Point Protocol (PPP)
|
Base standard
for the Point-to-Point protocol. Describes PPP architecture, general
operation (including the process of link establishment, maintenance
and termination) and details of the LCP protocol.
|
1662
|
PPP in
HDLC-like Framing
|
Defines the specific framing
method for PPP frames, based on that used in HDLC. This standard can
be considered a companion to the main PPP standard, RFC
1661.
|
LCP Support Protocols
These protocols, shown in Table 26,
support the basic operation of LCP. At this time the only protocols
I put in this group are those that provide authentication
services during link startup.
Table 26: PPP LCP Support Protocol Standards
RFC Number
|
Standard
Name
|
Description
|
1334
|
PPP Authentication
Protocols
|
Defines the two PPP authentication
protocols: Password Authentication Protocol (PAP) and Challenge Handshake
Authentication Protocol (CHAP).
Note that RFC 1994 obsoletes RFC 1334, but does not discuss the PAP
protocol. This basically tells you what the IETF thinks about PAP. J
See
the topic on PAP and CHAP for more on
this.
|
1994
|
PPP
Challenge Handshake Authentication Protocol (CHAP)
|
Updates the
information about CHAP provided in RFC 1334.
|
Network Control Protocols (NCPs)
These are protocols that negotiate
parameters specific to various layer three protocols carried over PPP.
They are described in Table 27.
Table 27: PPP Network Control Protocol Standards
RFC Number
|
Standard
Name
|
Description
|
1332
|
The PPP
Internet Protocol Control Protocol (IPCP)
|
The NCP for the Internet Protocol
(IP).
|
1377
|
The
PPP OSI Network Layer Control Protocol (OSINLCP)
|
The NCP for
OSI protocol suite network layer protocols, such as CNLP, ES-IS, and
IS-IS.
|
1378
|
The PPP
AppleTalk Control Protocol (ATCP)
|
The NCP for the AppleTalk protocol.
|
1552
|
The
PPP Internetworking Packet Exchange Control Protocol (IPXCP)
|
The NCP for
the Novell Internetworking Packet Exchange (IPX) protocol.
|
2043
|
The PPP
SNA Control Protocol (SNACP)
|
The NCP for IBM's Systems Network
Architecture (SNA).
|
2097
|
The
PPP NetBIOS Frames Control Protocol (NBFCP)
|
The NCP for
NetBIOS Frames (NBF, also commonly called NetBEUI).
|
2472
|
IP Version
6 over PPP
|
Describes the NCP for IPv6: the
IPv6 Control Protocol (IPv6CP).
|
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Version 3.0 - Version Date: September 20, 2005
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