Wireshark · Display Filter Reference: PPP Link Control Protocol

Field name	Description	Type	Versions
lcp.data	Data	Byte sequence	1.8.0 to 4.4.2
lcp.magic_number	Magic Number	Unsigned integer (32 bits)	1.8.0 to 4.4.2
lcp.message	Message	Character string	1.8.0 to 4.4.2
lcp.opt.802_1_address	IEEE 802.1 Address	Ethernet or other MAC address	1.8.0 to 4.4.2
lcp.opt.algorithm	Algorithm	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.asyncmap	Async Control Character Map	Unsigned integer (32 bits)	1.8.0 to 4.4.2
lcp.opt.asyncmap.ack	ACK	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.bel	BEL	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.bs	BS	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.can	CAN	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.cr	CR	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.dc1	DC1 (XON)	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.dc2	DC2	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.dc3	DC3 (XOFF)	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.dc4	DC4	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.dle	DLE	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.em	EM	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.enq	ENQ	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.eot	EOT	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.esc	ESC	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.etb	ETB	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.etx	ETX	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.ff	FF	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.fs	FS	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.gs	GS	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.ht	HT	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.lf	LF	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.nak	NAK	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.nul	NUL	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.rs	RS	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.si	SI	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.so	SO	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.soh	SOH	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.stx	STX	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.sub	SUB	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.syn	SYN	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.us	US	Boolean	1.8.0 to 4.4.2
lcp.opt.asyncmap.vt	VT	Boolean	1.8.0 to 4.4.2
lcp.opt.auth_protocol	Authentication Protocol	Unsigned integer (16 bits)	1.8.0 to 4.4.2
lcp.opt.class	Class	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.code	Code	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.data	Data	Byte sequence	1.8.0 to 4.4.2
lcp.opt.ep_disc_class	Class	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.fcs_alternatives	FCS Alternatives	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.fcs_alternatives.ccitt16	CCITT 16-bit	Boolean	1.8.0 to 4.4.2
lcp.opt.fcs_alternatives.ccitt32	CCITT 32-bit	Boolean	1.8.0 to 4.4.2
lcp.opt.fcs_alternatives.null	NULL FCS	Boolean	1.8.0 to 4.4.2
lcp.opt.flags	Flags	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.flags.pre	PRE	Boolean	1.8.0 to 4.4.2
lcp.opt.flags.reserved	Reserved	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.flags.zxe	ZXE	Boolean	1.8.0 to 4.4.2
lcp.opt.hdlc_address	Address	Byte sequence	1.8.0 to 4.4.2
lcp.opt.id	Identification	Byte sequence	1.8.0 to 4.4.2
lcp.opt.ip_address	IP Address	IPv4 address	1.8.0 to 4.4.2
lcp.opt.kind	Kind	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.language_tag	Language-Tag	Character string	1.8.0 to 4.4.2
lcp.opt.length	Length	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.link_discrim	Link Discriminator	Unsigned integer (16 bits)	1.8.0 to 4.4.2
lcp.opt.magic_block	PPP Magic-Number Block	Byte sequence	1.8.0 to 4.4.2
lcp.opt.magic_number	Magic Number	Unsigned integer (32 bits)	1.8.0 to 4.4.2
lcp.opt.max_susp_classes	Max suspendable classes	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.maximum	Maximum	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.message	Message	Byte sequence	1.8.0 to 4.4.2
lcp.opt.MIBenum	MIBenum	Unsigned integer (32 bits)	1.8.0 to 4.4.2
lcp.opt.mode	Mode	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.mrru	MRRU	Unsigned integer (16 bits)	1.8.0 to 4.4.2
lcp.opt.mru	Maximum Receive Unit	Unsigned integer (16 bits)	1.8.0 to 4.4.2
lcp.opt.operation	Operation	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.oui	OUI	Unsigned integer (24 bits)	1.8.0 to 4.4.2
lcp.opt.prefix	Prefix	Byte sequence	1.8.0 to 4.4.2
lcp.opt.psndn	Public Switched Network Directory Number	Byte sequence	1.8.0 to 4.4.2
lcp.opt.quality_protocol	Quality Protocol	Unsigned integer (16 bits)	1.8.0 to 4.4.2
lcp.opt.reporting_period	Reporting Period	Unsigned integer (32 bits)	1.8.0 to 4.4.2
lcp.opt.type	Type	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.opt.unused	Unused	Byte sequence	1.8.0 to 4.4.2
lcp.opt.window	Window	Unsigned integer (8 bits)	1.8.0 to 4.4.2
lcp.rej_proto	Rejected Protocol	Unsigned integer (16 bits)	1.8.0 to 4.4.2
lcp.secs_remaining	Seconds Remaining	Unsigned integer (32 bits)	1.8.0 to 4.4.2