Testing to find out if a cable or DSL modem is online or not

[Robert Brockway]

On Fri, 30 Apr 2004, Kerry Panchoo wrote:

> so we need to determine what the problem is. A ping with a pong only
> tells you that the internet is fine and the machine is still in operation.
>
> On the other hand a ping with no reply would not tell you where the

Sure, but the box initiating the ping should get a reply, unless someone
has a broken firewall between it and the remote box.  Look into
icmp-destination-unreachable.

Rob

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Robert Brockway B.Sc. email: robert-5LEc/6Zm6xCUd8a0hrldnti2O/JbrIOy at public.gmane.org, rbrockway-cFo9iiqjkw8eIZ0/mPfg9Q at public.gmane.org
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