Does this help?
http://ftp.arl.mil/%7Emike/ping.html
""Jim Newton"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I am trying to find an in-depth guide to pings. I notice with my sniffer
> that when I issue a ping from my laptop that there are three requests for
> each reply. Is this normal?
>
> Also I want to learn more about the TTL field. Do routers really only
> decrement it by one as the packet passes through?
>
> I just have a few questions about the nuts and bolts of this and probably
> traceroute also, stuff that isn't in the normal books.
>
> I have read the RFC and what I want is not there. I have also looked
around
> CCO quite a bit, and haven't found anything, not that this means that the
> info is not there.
>
> If anyone knows of a good book or on-line source, I would appreciate it.
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