Wireshark · Wireshark-users: Re: [Wireshark-users] Understanding offset values settings icmp

[Pascal Quantin <pascal.quantin@xxxxxxxxx>]

2015-08-28 9:35 GMT+02:00 asad <a.alii85@xxxxxxxxx>:

Sorry, for missing file attachment.

Hi Asad,

I answered your question in the post you put on ask.wireshark.org : https://ask.wireshark.org/questions/45438/understanding-offset-values-settings-icmp-fragementation

Best regards,

Pascal.

On 8/28/15, asad <a.alii85@xxxxxxxxx> wrote:
> Hello,
>
> A certain wireshark sample for icmp fragmentation (attached) is
> showing following :-
>
> -fragment offset:13bits
> -offset value ordering as :-
>         - 0
>         - 1480
>         - 2960
>
> -length 1518.
>
> From , theory I know usual 8 bits of offset field will start
> calculating offset from 0, then for 1400 bytes of data (minus the
> headers) next value be 1400/8. If I apply same concept to attached
> pcap It doesn't add up. Why offset values so different even when
> considering 1500 bytes of data.
>
> Thanks.
>

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