| Protocol suite: | PPP. |
| Type: | PPP Network Control Protocol. |
| PPP protocol: | 0x805B. |
| Links: |
VSNCP is responsible for negotiating the use of VSNP. VSNCP uses the same packet exchange and option negotiation mechanism as LCP, but with a different set of options.
| PPP header | VSNCP header | Data ::: |
VSNCP header:
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Identifier | Length | |||||||||||||||||||||||||||||
| OUI | Data ::: | ||||||||||||||||||||||||||||||
Code. 8 bits.
Specifies the function to be performed.
| Code | Description | References |
|---|---|---|
| 0 | Vendor Specific. | RFC 2153 |
| 1 | Configure-Request. | |
| 2 | Configure-Ack. | |
| 3 | Configure-Nak. | |
| 4 | Configure-Reject. | |
| 5 | Terminate-Request. | |
| 6 | Terminate-Ack. | |
| 7 | Code-Reject. |
Identifier. 8 bits.
Used to match requests and replies.
Length. 16 bits.
Size of the packet including the header.
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.
Data. Variable length.
Zero or more bytes of data as indicated by the Length field.
RFCs:
[RFC 3772] Point-to-Point Protocol (PPP) Vendor Protocol.