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Re: ping reply without OS (was: Re: Unidentified subject!)

> Yes, but I've seen it quite often. The symptoms are you can't connect with
> anything, rlogin, telnet or such programs; however the machine gladly replies
> to ping.
> I think the situation arises when an OS _has_ been running on the machine 
> and then crashes or hangs; in this state the ethernet card has been assigned
> an IP address, and then it just answers any ping requests that comes its way,
> without any intervention of the OS.

Well, I am not an expert but I think that in these cases where the OS
crashes and one can still get ping responses from the dead box it is
because the part of the kernel that handles ping request is still
alive. I guess it is because this is a very low level task, not as telnet,
rlogin and such programs that are at a very high level.

What you all think?



Eloy A. Paris
Information Technology Department
Rockwell Automation de Venezuela
Telephone: +58-2-9432311 Fax: +58-2-9430323

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