Wireshark · Display Filter Reference: RObust Header Compression (ROHC)

Field name	Description	Type	Versions
pdcp-lte.rohc.static.ipv4	Static IPv4 chain	Label	1.8.0 to 1.8.15
rohc.acktype	Acktype	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.add_cid	Add-CID	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.code	Code	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.comp.sn	Compressed Sequence Number	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.comp_ip_id	Compressed IP-ID	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.comp_ip_id2	Compressed IP-ID2	Unsigned integer (16 bits)	4.2.0 to 4.4.2
rohc.compressed-list	Compressed List	Label	1.8.0 to 4.4.2
rohc.compressed-list.cc	CSRC Counter	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.count	Count	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.et	Encoding Type	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.gen-id	gen_id	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.gp	Gen-id Present	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.ins_bit_mask	Insertion bit mask	Unsigned integer (16 bits)	1.8.0 to 4.4.2
rohc.compressed-list.mask_size	Mask size	Boolean	1.8.0 to 4.4.2
rohc.compressed-list.ps	PS	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.ref-id	ref_id	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.rem_bit_mask	Removal bit mask	Unsigned integer (16 bits)	1.8.0 to 4.4.2
rohc.compressed-list.res	Reserved	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.compressed-list.xi_1	XI 1	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.configured_by_ir_packet	Configured by IR packet	Label	2.0.0 to 4.4.2
rohc.crc	CRC	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.d	D - Dynamic chain	Boolean	1.6.0 to 4.4.2
rohc.desegmentation_not_implemented	Segment [Desegmentation not implemented yet]	Label	2.0.0 to 4.4.2
rohc.dynamic.ipv4	Dynamic IPv4 chain	Label	1.8.0 to 4.4.2
rohc.dynamic.rtp	Dynamic RTP chain	Label	1.8.0 to 4.4.2
rohc.dynamic.udp	Dynamic UDP chain	Label	1.8.0 to 4.4.2
rohc.dynamic.udp.checksum	UDP Checksum	Unsigned integer (16 bits)	1.8.0 to 4.4.2
rohc.dynamic.udp.seqnum	UDP Sequence Number	Unsigned integer (16 bits)	1.6.0 to 1.6.16
rohc.error_packet	Error packet	Label	2.0.0 to 4.4.2
rohc.ext	Extension	Character string	4.2.0 to 4.4.2
rohc.ext3.csrc	CSRC	Boolean	2.4.0 to 4.4.2
rohc.ext3.df	DF	Boolean	2.4.0 to 4.4.2
rohc.ext3.df2	DF2	Boolean	2.4.0 to 4.4.2
rohc.ext3.i	I	Boolean	2.4.0 to 4.4.2
rohc.ext3.i2	I2	Boolean	2.4.0 to 4.4.2
rohc.ext3.inner_ip_flags	Inner IP header flags	Unsigned integer (8 bits)	2.4.0 to 4.4.2
rohc.ext3.ip	ip	Boolean	2.4.0 to 4.4.2
rohc.ext3.ip2	ip2	Boolean	2.4.0 to 4.4.2
rohc.ext3.ipx	IPX	Boolean	2.4.0 to 4.4.2
rohc.ext3.ipx2	IPX2	Boolean	2.4.0 to 4.4.2
rohc.ext3.m	M	Boolean	2.4.0 to 4.4.2
rohc.ext3.mode	Mode	Unsigned integer (8 bits)	2.4.0 to 4.4.2
rohc.ext3.nbo	NBO	Boolean	2.4.0 to 4.4.2
rohc.ext3.nbo2	NBO2	Boolean	2.4.0 to 4.4.2
rohc.ext3.outer_ip_flags	Outer IP header flags	Unsigned integer (8 bits)	2.4.0 to 4.4.2
rohc.ext3.pr	PR	Boolean	2.4.0 to 4.4.2
rohc.ext3.pr2	PR2	Boolean	2.4.0 to 4.4.2
rohc.ext3.r-ts	R-TS	Boolean	2.4.0 to 4.4.2
rohc.ext3.r_p	R-P	Boolean	2.4.0 to 4.4.2
rohc.ext3.r_pt	R-PT	Boolean	2.4.0 to 4.4.2
rohc.ext3.r_x	R-X	Boolean	2.4.0 to 4.4.2
rohc.ext3.rnd	RND	Boolean	2.4.0 to 4.4.2
rohc.ext3.rnd2	RND2	Boolean	2.4.0 to 4.4.2
rohc.ext3.rtp	rtp	Boolean	2.4.0 to 4.4.2
rohc.ext3.rtp_flags	RTP header flags	Unsigned integer (8 bits)	2.4.0 to 4.4.2
rohc.ext3.s	S	Boolean	2.4.0 to 4.4.2
rohc.ext3.tis	TIS	Boolean	2.4.0 to 4.4.2
rohc.ext3.tos	TOS	Boolean	2.4.0 to 4.4.2
rohc.ext3.tos2	TOS2	Boolean	2.4.0 to 4.4.2
rohc.ext3.tsc	Tsc	Boolean	2.4.0 to 4.4.2
rohc.ext3.tss	TSS	Boolean	2.4.0 to 4.4.2
rohc.ext3.ttl	TTL	Boolean	2.4.0 to 4.4.2
rohc.ext3.ttl2	TTL2	Boolean	2.4.0 to 4.4.2
rohc.ext3_flags	Extension 3 flags	Unsigned integer (8 bits)	2.4.0 to 4.4.2
rohc.fb1_sn	SN	Unsigned integer (8 bits)	1.6.0 to 1.10.14
rohc.feedback	Feedback	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.feedback-option-clock	Clock	Unsigned integer (8 bits)	1.6.0 to 1.8.15
rohc.feedback.type_2_is_not_applicable_for_uncompressed_profile	Feedback type 2 is not applicable for uncompressed profile	Label	1.12.0 to 4.4.2
rohc.hop_limit	Hop limit	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.ip-id	IP-ID	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.ip.protocol	Protocol	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.ip.version	Version	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.ip.version.unknown	Error unknown version, only 4 or 6 allowed	Label	2.0.0 to 4.4.2
rohc.ipv4_dst	Destination address	IPv4 address	1.8.0 to 4.4.2
rohc.ipv4_src	Source address	IPv4 address	1.8.0 to 4.4.2
rohc.ipv6.dst	Destination Address	IPv6 address	4.0.0 to 4.4.2
rohc.ipv6.flow	Flow Label	Unsigned integer (24 bits)	1.8.0 to 4.4.2
rohc.ipv6.nxt_hdr	Next Header	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.ipv6.src	Source Address	IPv6 address	1.8.0 to 4.4.2
rohc.ir.frame_num	Setup by IR frame	Frame number	1.8.0 to 4.4.2
rohc.ir.prev.frame_num	Previous IR frame	Frame number	1.8.0 to 4.4.2
rohc.ir_dyn_packet	IR-DYN packet	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.ir_ip_version	IP Version	Unsigned integer (8 bits)	2.0.0 to 4.4.2
rohc.ir_mode	Mode	Unsigned integer (32 bits)	2.0.0 to 4.4.2
rohc.ir_packet	IR packet	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.ir_profile	Profile	Unsigned integer (16 bits)	2.0.0 to 4.4.2
rohc.large_cid	Large CID	Unsigned integer (16 bits)	1.6.0 to 4.4.2
rohc.mode	Mode	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.no_configuration_info	No configuration info	Label	2.0.0 to 4.4.2
rohc.not_dissected_yet	Not dissected yet	Label	2.0.0 to 4.4.2
rohc.opt.clock	Clock	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.opt.clock.udp	CLOCK option should not be used for UDP	Label	1.12.0 to 4.4.2
rohc.opt.jitter	Max Jitter	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.opt.jitter.udp	JITTER option should not be used for UDP	Label	1.12.0 to 4.4.2
rohc.opt.loss	Longest loss event (packets)	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.opt.sn	SN	Unsigned integer (8 bits)	1.6.0 to 1.10.14
rohc.opt.sn_add_bits	SN additional bits	Unsigned integer (8 bits)	1.12.0 to 4.4.2
rohc.opt_length	Option length	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.opt_type	Option type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.padding	Padding	Byte sequence	2.2.0 to 4.4.2
rohc.pading	Padding	Byte sequence	1.6.0 to 2.0.16
rohc.profile	Profile	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.profile_not_supported	Profile not supported	Label	2.0.0 to 4.4.2
rohc.profile_spec_octet	Profile-specific octet	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.profile_spec_octet.bad	Invalid profile-specific octet value	Label	1.12.0 to 4.4.2
rohc.profile_specific	profile-specific information [Not dissected yet]	Label	2.0.0 to 4.4.2
rohc.r_0_crc	CRC	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.rtp.cc	CC	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.rtp.checksum	Checksum	Unsigned integer (16 bits)	1.6.0 to 1.8.15
rohc.rtp.df	Don't Fragment(DF)	Boolean	1.6.0 to 4.4.2
rohc.rtp.id	Identification	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.rtp.ipv4_dst	Destination address	IPv4 address	1.6.0 to 1.6.16
rohc.rtp.ipv4_src	Source address	IPv4 address	1.6.0 to 1.6.16
rohc.rtp.m	Marker Bit (M)	Boolean	1.6.0 to 4.4.2
rohc.rtp.mode	Mode	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.rtp.nbo	Network Byte Order (NBO)	Boolean	1.6.0 to 4.4.2
rohc.rtp.opt_length	Option length	Unsigned integer (8 bits)	1.6.0 to 1.8.15
rohc.rtp.opt_type	Option type	Unsigned integer (8 bits)	1.6.0 to 1.8.15
rohc.rtp.p	Padding(P)	Boolean	1.6.0 to 4.4.2
rohc.rtp.protocol	Protocol	Unsigned integer (8 bits)	1.6.0 to 1.6.16
rohc.rtp.pt	Payload Type(PT)	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.rtp.rnd	RND(IP-ID behaves randomly)	Boolean	1.6.0 to 4.4.2
rohc.rtp.rtp.id	Identification	Unsigned integer (16 bits)	1.6.0 to 1.8.15
rohc.rtp.rx	RX	Boolean	1.6.0 to 4.4.2
rohc.rtp.sn	Sequence Number(SN)	Unsigned integer (16 bits)	1.6.0 to 4.4.2
rohc.rtp.ssrc	SSRC	Unsigned integer (32 bits)	1.6.0 to 4.4.2
rohc.rtp.time_stride	Time_Stride	Unsigned integer (32 bits)	1.6.0 to 4.4.2
rohc.rtp.timestamp	RTP Timestamp	Unsigned integer (32 bits)	1.6.0 to 4.4.2
rohc.rtp.tis	TIS	Boolean	1.6.0 to 4.4.2
rohc.rtp.tos	Type of Service	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.rtp.ts_stride	TS_Stride	Unsigned integer (32 bits)	1.6.0 to 4.4.2
rohc.rtp.tss	TSS	Boolean	1.6.0 to 4.4.2
rohc.rtp.ttl	Time to Live	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.rtp.udp_dst_port	Destination Port	Unsigned integer (16 bits)	1.6.0 to 1.8.15
rohc.rtp.udp_src_port	Source Port	Unsigned integer (16 bits)	1.6.0 to 1.8.15
rohc.rtp.v	Version	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.rtp.version	Version	Unsigned integer (8 bits)	1.6.0 to 1.6.16
rohc.rtp.x	X	Boolean	1.6.0 to 4.4.2
rohc.size	Size	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.small_cid	Small CID	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.sn	SN LSB	Unsigned integer (16 bits)	1.6.0 to 4.4.2
rohc.spare_bits	Spare bits(0)	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.static.ipv4	Static IPv4 chain	Label	1.10.0 to 4.4.2
rohc.static.rtp	Static RTP chain	Label	1.8.0 to 4.4.2
rohc.static.udp	Static UDP chain	Label	1.8.0 to 4.4.2
rohc.t	T bit	Unsigned integer (8 bits)	1.10.0 to 4.4.2
rohc.tc	Traffic class	Unsigned integer (8 bits)	1.8.0 to 4.4.2
rohc.tp	Compressed RTP timestamp	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.udp_checksum	UDP checksum	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.udp_dst_port	Destination Port	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.udp_src_port	Source Port	Unsigned integer (16 bits)	1.10.0 to 4.4.2
rohc.unknown_option_data	Unknown Option data	Byte sequence	2.0.0 to 4.4.2
rohc.var_len	Variable length	Unsigned integer (8 bits)	1.6.0 to 4.4.2
rohc.x	Extension	Boolean	1.10.0 to 4.4.2