Re: finding a missing ICMP Echo Reply

[Gerald Combs <gerald () wireshark org>]

Can you try "(icmp.type == 8) && !icmp.resp_in"? That should show any
request without a matching response.

On 10/5/12 8:35 AM, Stuart Kendrick wrote:
> I'm stumbling on this.
>
> Filtering on icmp.resp_in shows me all the Requests
> Filtering on icmp.resp_to shows me all the Replies
>
> Filtering on !icmp.resp_in shows me everything
> Filtering on !icmp.resp_to shows me everything
>
> Filtering on "!icmp.resp_in and !icmp_resp_to" shows me everything
>
> Reading the description of these expressions ... I don't understand what
> they do:
>
> icmp_resp_in - Response In (the response to this request is in this frame)
>     How can an ICMP Request and an ICMP Reply share the same frame?
> icmp_resp_to = Response To (This is the response to the request in this
> frame)
>     How do I specify which request?
>
> Would you elaborate?
>
> --sk
>
> On 10/5/2012 8:22 AM, Martin Isaksson wrote:
> > Hi Stuart!
> >
> > !icmp.resp_in and !icmp.resp_to
> >
> > There might be an easier way :)
> >
> > /M
>
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