Events: PPP over V120

	Event structure	What is a generated XDU event ?
	Event structure	Explanation of protocol events.
	PPP decoding	Using the Clarinet Event-Editor with an appropriate filter.
	Protocol stack	Defining a list of protocols used in the current filter.
	Standards	RFC 1331 updated by RFC 1661 and RFC 1662
	Options	Changing the display conditions in the current filter.

Generated XDU event

See Features: Filter protocol - Recording with PDU generation

Clarinet Event-Editor: PPP over V120 decoding

	Event information	Date	Date of the source V120 event in the format: hh:mm:ss/xxx.y
		N	The interface number which identifies the Clarinet-interface connected to the host.
		Dx	The decoding level as specified in the filter (protocol stack).
		Protocol	XDU processing type (generated and source protocols).
	Protocol fields	V120	(Address) <PDU type> Ctrl    [nnnn] Header
		PPP	Add_Ctrl    [nnnn] Protype
	Data field	Raw data field displayed if no upper layer protocol is defined in the filter, and including the FCS octets of the PPP frame. The display mode can be Hexa, Ascii or Ebcdic as specified in the filter.

PPP over V120 Protocol fields

	Add_Ctrl	In the format presenting the different fields in sequence, if any or Address/Control fields compressed, if the fields are omitted.
	Add:xx	Fixed value ff in hexadecimal.
	Ctl:yy	Fixed value 03 in hexadecimal.
	[nnnn]	The number of octets of conveyed data (including FCS octetsof the PPP frame).
	Protype	In the format Pro:xxxx (designation) :
	xxxx	Protocol field value in hexadecimal.
	designation	Designation relating the protocol used within the conveyed data.

Protocol stack applied

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