VSP, Vendor-Specific Protocol

Description Glossary RFCs Publications Obsolete RFCs


Protocol suite: PPP.
PPP protocol:0x405B.

VSP is intended for use in situations where the implementation of a complete Network Layer Protocol is unnecessary, or where per-link signaling is required.

VSP header:

0001020304050607 0809101112131415 1617181920212223 2425262728293031
Magic Number
OUI reserved
Data :::

Magic Number. 32 bits.
Used to detect looped-back links. If the Magic-Number Option was not negotiated by LCP, then this field MUST be cleared to 0. Implementation of the LCP Magic-Number Option is RECOMMENDED.

OUI, Organizationally Unique Identifier. 24 bits.
Contains the OUI of the vendor. The bits within the bytes are in canonical order with the most significant byte transmitted first.

reserved. 8 bits.
Must be cleared to zero on transmit and ignored on reception.



[RFC 3772] Point-to-Point Protocol (PPP) Vendor Protocol.


Obsolete RFCs:

Description Glossary RFCs Publications Obsolete RFCs