ZyXEL Communications P-791R V2 Support Notes page 84

128 MS-CHAP [Crocker]
PPP LCP FCS-ALTERNATIVES
The Point-to-Point Protocol (PPP) Link Control Protocol (LCP)
FCS-Alternatives Configuration Option contains an 8-bit Options field which
identifies the FCS used. These are assigned as follows:
Bit FCS
-----------------------------------------------------------------
1 Null FCS
2 CCITT 16-Bit FCS
4 CCITT 32-bit FCS
•
PPP MULTILINK ENDPOINT DISCRIMINATOR CLASS
The Point-to-Point Protocol (PPP) Link Control Protocol (LCP) Multilink
Endpoint Discriminator Option includes a Class field which identifies the
address class, These are assigned as follows:
Class Description
------------------------------------------------------------------------------
0 Null Class [RFC1717]
1 Locally Assigned [RFC1717]
2 Internet Protocol (IPv4) [RFC1717]
3 IEEE 802.1 global MAC address [RFC1717]
4 PPP Magic Number Block [RFC1717]
5 Public Switched Network Director Number [RFC1717]
•
PPP LCP CALLBACK OPERATION FIELDS
The Point-to-Point Protocol (PPP) Link Control Protocol (LCP) Callback
Configuration Option contains an 8-bit Operations field which identifies the
format of the Message. These are assigned as follows:
Operation Description
----------------------------------------------------------------------------------
0 Location determined by user authentication.
1 Dialing string.
2 Location identifier.
3 E.164 number.
4 X.500 distinguished name.
5 unassigned
6 Location is determined during CBCP negotiation.
•
PPP IPCP CONFIGURATION OPTION TYPES
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P-791R v2 Support Notes
84