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2015-01-04 12:04:36 +01:00
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protocol:
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2015-01-04 22:34:34 +01:00
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name: ipv4
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longname: internet protocol version 4
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2015-01-04 12:04:36 +01:00
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osilayer: 3
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fields:
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- field: version
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desc: Version
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bitfield: yes
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length: 4
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- field: IHL
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desc: internet header length (IHL)
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bitfield: yes
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length: 4
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- field: DSCP
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desc: differential services code point (DSCP)
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bitfield: yes
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length: 6
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- field: ECN
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desc: explicit congestion notification (ECN)
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bitfield: yes
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length: 2
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- field: packetlength
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desc: total length (incl. header)
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length: 2
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- field: id
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desc: identification
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length: 2
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- field: flags
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desc: fragment flags
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bitfield: yes
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length: 3
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subfields:
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- field: reserved
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bitfield: yes
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length: 1
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- field: df
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desc: don't fragment (DF)
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bitfield: yes
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length: 1
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- field: mf
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desc: more fragments (MF)
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bitfield: yes
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length: 1
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- field: fragmentoffset
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desc: fragment offset
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bitfield: yes
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length: 13
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- field: TTL
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desc: time to live (TTL)
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length: 1
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- field: protocol
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desc: protocol id
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length: 1
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- field: headerchecksum
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desc: header checksum
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length: 2
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- field: source
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desc: source ip address
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length: 4
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- field: destination
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desc: destination ip address
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length: 4
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- field: options
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desc: options (if IHL > 5)
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length: 4
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optional: yes
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- field: data
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2015-01-04 16:07:28 +01:00
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data: true
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