VSNCP, Vendor-Specific Network Control Protocol

Description Glossary RFCs Publications Obsolete RFCs

Description:

Protocol suite: PPP.
Protocol type:PPP Network Control Protocol.
PPP protocol:0x805B.
MIME subtype:
SNMP MIBs:
Working groups:
Links:

The VSNCP protocol 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:

0001020304050607 0809101112131415 1617181920212223 2425262728293031
Code Identifier Length
OUI Data :::

Code. 8 bits.
Specifies the function to be performed.

CodeDescriptionReferences
0Vendor Specific. RFC 2153
1Configure-Request. 
2Configure-Ack. 
3Configure-Nak. 
4Configure-Reject. 
5Terminate-Request. 
6Terminate-Ack. 
7Code-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.


Glossary:


RFCs:

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


Publications:


Obsolete RFCs:


Description Glossary RFCs Publications Obsolete RFCs