1 Tracepoints
The DECnet-Plus for OpenVMS base system supports these tracepoints:

	MOP CIRCUIT <circuit_name or *>	
	NSP GLOBAL <*>
	NSP PORT <port_name or *>
	OSITP CR MESSAGES
	OSITP ER MESSAGES
	OSITP LSP <lsp_address or *> RSP <rsp_address or *>
	ROUTING CIRCUIT <circuit-name or *>
	SESSION PORT <port_name or *>

2 VAX_WAN_Device_Driver tracepoints
VAX WAN Device Drivers support these tracepoints:

	DDCMP LINK <link_name or *>
	HDLC LINK <link_name or *>
	LAPB LINK <link_name or *>
	MODEM_CONNECT LINE <line_name or *>

2 VAX_P.S.I. tracepoints
VAX P.S.I. Version 5.0 supports these tracepoints:

	LAPB LINK <link_name or *>
	LLC2 SAP LINK <link_name or *>
	X25L3 DTE <dte_name or *>
	X25L3 CIRCUIT <circuit_name or *>
	X25GAP CIRCUIT <circuit_name or *>

2 DEC_WANrouter_100/500 tracepoints
The DEC WANrouter 100/500 supports these tracepoints:

	HDLC LINK <link_name or *>
	DDCMP LINK <link_name or *>
	LAPB LINK <link_name or *>
	MODEM_CONNECT LINE <line_name or *>
	NSP PORT <port_name or *>
	ROUTING CIRCUIT <circuit_name or *>

2 DEC_Network_Integration_Server tracepoints
The DEC Network Integration Server supports these tracepoints:

	HDLC LINK <link_name or *>
	LAPB LINK <link_name or *>
	LLC2 SAP LINK <link_name or *>
	MODEM_CONNECT LINE <line_name or *>
	NSP PORT <port_name or *>
	ROUTING CIRCUIT <circuit_name or *>
	X25L3 CIRCUIT <circuit_name or *>
	X25L3 DTE <dte_name or *>
	X25GAP CIRCUIT <circuit_name or *>

2 OSITP tracepoints
OSITP CR MESSAGES shows all Connect Request protocol data units.

OSITP ER MESSAGES shows all Error protocol data units.

OSITP LSP <lsp_address or *> RSP <rsp_address or *> shows
    all protocol data units exchanged between the specified
    local and remote service providers.

    The form of an lsp_address or rsp_address is the 6-byte
    physical address, without hyphens:

    CTF> trace start "OSITP LSP AA00040089FF RSP 08002B112233"