Re: analyzing icmp protocol

[Ran Shalit <ranshalit () gmail com>]

Hello Jaap,

I don't have the capturing in the other side (it is embedded target).
I reolve the issue, it seems to be related to checksum.
Yet, I didn't see in wireshark any warning or yello marking on the
reply checksum.

Do you know how I could easily detect that there is an ICMP reply
checksum issue with wireshark ?

Thanks,
Ran

On Mon, Sep 25, 2017 at 12:30 PM, Jaap Keuter <jaap.keuter () xs4all nl> wrote:
> Hi,
>
> This was captured at 192.168.1.100, yes?
> What do you see when capturing at the originator interface (192.168.1.110)?
>
> Thanks,
> Jaap
>
>
> > On 25 Sep 2017, at 09:38, Ran Shalit <ranshalit () gmail com> wrote:
> >
> > Hello,
> >
> > I would appreciate it if someone can assist in analyzing icmp request/reply :
> >
> > https://drive.google.com/file/d/0B22GsWueReZTZ0hfU2dRdE9rR2s/view?usp=sharing
> >
> > I ping from pc to another machine, and in wireshark it looks perfect
> > without error, yet I always get "request time out".
> > I tried a lrager timeout (-w paramater), and ping from different
> > machine, firewall disable, but I always get request time out in the
> > PC.
> >
> > Thank you for any suggestion,
> > Ran
>
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