On Wed, Jan 22, 2025 at 09:13:35AM -0500, Greg Wooledge wrote: > On Wed, Jan 22, 2025 at 14:56:54 +0100, to...@tuxteam.de wrote: > > Yes, that would be totally useful. As has been stated in this > > list last days, ping actually does two things for you: > > > > - resolve the host's name to an IP address > > - check connectivity to that host > > Well, three really. It resolves the argument to an IP address if it > wasn't already one. It sends ICMP packets to that IP address. > It listens for responses.
[...] Of course, your answer is much more precise than mine. I'm somewhat sloppy :-) > It's not possible to differentiate the various failure states using ping > alone (at least not from a single host), but it's a good starting point. This is why I subsumed (with quite a bit of handwaving) all the "other cases" (beyond name resolution) under "connectivity to that host". Cheers -- t
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