Wireshark · Display Filter Reference: Internet Control Message Protocol

Field name	Description	Type	Versions
icmp.addr_entry_size	Address entry size	Unsigned integer (8 bits)	2.0.0 to 4.4.2
icmp.address_mask	Address Mask	IPv4 address	2.0.0 to 4.4.2
icmp.checksum	Checksum	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.checksum.status	Checksum Status	Unsigned integer (8 bits)	2.2.0 to 4.4.2
icmp.checksum_bad	Bad checksum	Label	1.0.0 to 2.0.16, 2.4.0 to 4.4.2
icmp.checksum_bad.expert	Expert Info	Label	2.0.0 to 2.2.17
icmp.code	Code	Unsigned integer (8 bits)	1.0.0 to 4.4.2
icmp.data_time	Timestamp from icmp data	Date and time	1.8.0 to 4.4.2
icmp.data_time_relative	Timestamp from icmp data (relative)	Time offset	1.8.0 to 4.4.2
icmp.ext	ICMP Extensions	Label	1.8.0 to 4.4.2
icmp.ext.checksum	Checksum	Unsigned integer (16 bits)	1.8.0 to 4.4.2
icmp.ext.checksum.status	Checksum Status	Unsigned integer (8 bits)	2.2.0 to 4.4.2
icmp.ext.checksum_bad	Bad checksum	Label	1.8.0 to 2.0.16, 2.4.0 to 4.4.2
icmp.ext.class	Class	Unsigned integer (8 bits)	1.8.0 to 4.4.2
icmp.ext.ctype	C-Type	Unsigned integer (8 bits)	1.8.0 to 4.4.2
icmp.ext.data	Data	Byte sequence	2.0.0 to 4.4.2
icmp.ext.echo.req.local	Local bit	Boolean	3.0.0 to 4.4.2
icmp.ext.echo.req.res	Reserved	Unsigned integer (8 bits)	3.0.0 to 4.4.2
icmp.ext.echo.rsp.active	Active bit	Boolean	3.0.0 to 4.4.2
icmp.ext.echo.rsp.ipv4	IPv4 bit	Boolean	3.0.0 to 4.4.2
icmp.ext.echo.rsp.ipv6	IPv6 bit	Boolean	3.0.0 to 4.4.2
icmp.ext.echo.rsp.res	Reserved	Unsigned integer (8 bits)	3.0.0 to 4.4.2
icmp.ext.echo.rsp.state	State	Unsigned integer (8 bits)	3.0.0 to 4.4.2
icmp.ext.echo.seq	Sequence Number	Unsigned integer (8 bits)	3.0.0 to 4.4.2
icmp.ext.length	Length	Unsigned integer (16 bits)	1.8.0 to 4.4.2
icmp.ext.res	Reserved	Unsigned integer (16 bits)	1.8.0 to 4.4.2
icmp.ext.version	Version	Unsigned integer (8 bits)	1.8.0 to 4.4.2
icmp.ident	Identifier (BE)	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.ident_le	Identifier (LE)	Unsigned integer (16 bits)	3.6.0 to 4.4.2
icmp.int_ident.addr_length	Address Length	Unsigned integer (8 bits)	3.0.0 to 4.4.2
icmp.int_ident.address	Address	Byte sequence	3.0.0 to 4.4.2
icmp.int_ident.afi	Address Family Identifier	Unsigned integer (16 bits)	3.0.0 to 4.4.2
icmp.int_ident.index	Interface Index	Unsigned integer (32 bits)	3.0.0 to 4.4.2
icmp.int_ident.ipv4	Address	IPv4 address	3.0.0 to 4.4.2
icmp.int_ident.ipv6	Address	IPv6 address	3.0.0 to 4.4.2
icmp.int_ident.name	Name	Character string	3.0.0 to 4.4.2
icmp.int_ident.reserved	Reserved	Byte sequence	3.0.0 to 4.4.2
icmp.int_info.afi	Address Family Identifier	Unsigned integer (16 bits)	1.8.0 to 4.4.2
icmp.int_info.ifindex	ifIndex	Boolean	1.8.0 to 4.4.2
icmp.int_info.index	Interface Index	Unsigned integer (32 bits)	2.0.0 to 4.4.2
icmp.int_info.ip	Source	IPv4 address	1.8.0
icmp.int_info.ipaddr	IP Address	Boolean	1.8.0 to 4.4.2
icmp.int_info.ipunknown	Source	Byte sequence	2.0.0 to 4.4.2
icmp.int_info.ipv4	Source	IPv4 address	1.8.1 to 4.4.2
icmp.int_info.ipv6	Source	IPv6 address	1.8.1 to 4.4.2
icmp.int_info.mtu	Maximum Transmission Unit	Unsigned integer (32 bits)	1.8.0 to 4.4.2
icmp.int_info.mtu_present	MTU	Boolean	3.6.0 to 4.4.2
icmp.int_info.name	Name	Character string	1.8.0 to 4.4.2
icmp.int_info.name_length	Name Length	Unsigned integer (8 bits)	2.0.0 to 4.4.2
icmp.int_info.name_present	Interface Name	Boolean	2.2.0 to 4.4.2
icmp.int_info.reserved	Reserved	Unsigned integer (8 bits)	1.8.0 to 4.4.2
icmp.int_info.role	Interface Role	Unsigned integer (8 bits)	1.8.0 to 4.4.2
icmp.length	Length	Unsigned integer (8 bits)	1.8.0 to 4.4.2
icmp.length.original_datagram	Length of original datagram	Unsigned integer (8 bits)	2.0.0 to 4.4.2
icmp.lifetime	Lifetime	Unsigned integer (16 bits)	2.0.0 to 4.4.2
icmp.mip.b	Busy	Boolean	1.0.0 to 4.4.2
icmp.mip.challenge	Challenge	Byte sequence	1.0.0 to 4.4.2
icmp.mip.coa	Care-Of-Address	IPv4 address	1.0.0 to 4.4.2
icmp.mip.content	Content	Byte sequence	2.0.0 to 4.4.2
icmp.mip.f	Foreign Agent	Boolean	1.0.0 to 4.4.2
icmp.mip.flags	Flags	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.mip.g	GRE	Boolean	1.0.0 to 4.4.2
icmp.mip.h	Home Agent	Boolean	1.0.0 to 4.4.2
icmp.mip.length	Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
icmp.mip.life	Registration Lifetime	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.mip.m	Minimal Encapsulation	Boolean	1.0.0 to 4.4.2
icmp.mip.prefixlength	Prefix Length	Unsigned integer (8 bits)	1.0.0 to 4.4.2
icmp.mip.r	Registration Required	Boolean	1.0.0 to 4.4.2
icmp.mip.reserved	Reserved	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.mip.rt	Reverse tunneling	Boolean	1.0.0 to 4.4.2
icmp.mip.seq	Sequence Number	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.mip.type	Extension Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
icmp.mip.u	UDP tunneling	Boolean	1.0.0 to 4.4.2
icmp.mip.v	VJ Comp	Boolean	1.0.0 to 4.4.2
icmp.mip.x	Revocation support	Boolean	1.0.0 to 4.4.2
icmp.mpls	ICMP Extensions for MPLS	Label	1.0.0 to 1.6.16
icmp.mpls.checksum	Checksum	Unsigned integer (16 bits)	1.0.0 to 1.6.16
icmp.mpls.checksum_bad	Bad Checksum	Boolean	1.0.0 to 1.6.16
icmp.mpls.class	Class	Unsigned integer (8 bits)	1.0.0 to 1.6.16
icmp.mpls.ctype	C-Type	Unsigned integer (8 bits)	1.0.0 to 1.6.16
icmp.mpls.data	Data	Byte sequence	2.0.0 to 4.4.2
icmp.mpls.exp	Experimental	Unsigned integer (24 bits)	1.0.0 to 4.4.2
icmp.mpls.label	Label	Unsigned integer (24 bits)	1.0.0 to 4.4.2
icmp.mpls.length	Length	Unsigned integer (16 bits)	1.0.0 to 1.6.16
icmp.mpls.res	Reserved	Unsigned integer (16 bits)	1.0.0 to 1.6.16
icmp.mpls.s	Stack bit	Boolean	1.0.0 to 4.4.2
icmp.mpls.ttl	Time to live	Unsigned integer (8 bits)	1.0.0 to 4.4.2
icmp.mpls.version	Version	Unsigned integer (8 bits)	1.0.0 to 1.6.16
icmp.mtu	MTU of next hop	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.no_resp	No response seen	Label	1.12.0 to 4.4.2
icmp.num_addrs	Number of addresses	Unsigned integer (8 bits)	2.0.0 to 4.4.2
icmp.originate_timestamp	Originate Timestamp	Unsigned integer (32 bits)	2.0.0 to 4.4.2
icmp.pointer	Pointer	Unsigned integer (32 bits)	2.0.0 to 4.4.2
icmp.pref_level	Preference level	Signed integer (32 bits)	2.0.0 to 4.4.2
icmp.receive_timestamp	Receive Timestamp	Unsigned integer (32 bits)	2.0.0 to 4.4.2
icmp.redir_gw	Gateway Address	IPv4 address	1.0.0 to 4.4.2
icmp.reserved	Reserved	Byte sequence	2.0.0 to 4.4.2
icmp.resp_in	Response frame	Frame number	1.6.0 to 4.4.2
icmp.resp_not_found	Response not found	Label	1.12.0 to 4.4.2
icmp.resp_to	Request frame	Frame number	1.6.0 to 4.4.2
icmp.resptime	Response time	Floating point (double-precision)	1.6.0 to 4.4.2
icmp.router_address	Router address	IPv4 address	2.0.0 to 4.4.2
icmp.seq	Sequence Number (BE)	Unsigned integer (16 bits)	1.0.0 to 4.4.2
icmp.seq_le	Sequence Number (LE)	Unsigned integer (16 bits)	1.4.0 to 4.4.2
icmp.transmit_timestamp	Transmit Timestamp	Unsigned integer (32 bits)	2.0.0 to 4.4.2
icmp.type	Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
icmp.type.deprecated	Type is deprecated	Label	4.4.0 to 4.4.2
icmp.unused	Unused	Byte sequence	2.0.0 to 4.4.2