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Revision 3
Packet_vlad's avatar
1.1k
Packet_vlad
updated 2019-02-25 15:08:42 +0000

Doubled TCP SEQ field in ICMP packets

Hi all,

Just spotted an interesting thing: in ICMP "Destination Unreachable" packets "original TCP Datagram" part contains two sequence fields.

image description

therefore I have 2 identical SEQ values in a column too. Is it a bug?

Wireshark vesion Version 3.1.0rc0-163-g7a482205, Windows x64.

PCAP

Revision 2
Packet_vlad's avatar
1.1k
Packet_vlad
updated 2019-02-25 15:07:17 +0000

Doubled TCP SEQ field in ICMP packets

Hi all,

Just spotted an interesting thing: in ICMP "Destination Unreachable" packets "original TCP Datagram" part contains two sequence fields.

image description

therefore I have 2 identical SEQ values in a column too. Is it a bug?

Wireshark vesion Version 3.1.0rc0-163-g7a482205, Windows x64.

PCAPx64

Revision 1
Packet_vlad's avatar
1.1k
Packet_vlad
asked 2019-02-25 15:06:29 +0000

Doubled TCP SEQ field in ICMP packets

Hi all,

Just spotted an interesting thing: in ICMP "Destination Unreachable" packets "original TCP Datagram" part contains two sequence fields.

image description

therefore I have 2 identical SEQ values in a column too. Is it a bug?

Wireshark vesion Version 3.1.0rc0-163-g7a482205, Windows x64