On 5/27/2021 12:06 PM, Michael Brutman wrote:
Ralf: Traceroute is interesting, and it's on the todo list. This is more equivalent to a TCPDUMP trace.
Yeah, that would be really helpful. As I mentioned, ping (without any such logging enabled) isn't really a diagnostic tool. It just tells you THAT a connection failed (which you already know, hence you are troubleshooting). A traceroute at least will tell you (in most cases) WHERE it fails and depending on what that host is (the blackhole IP in this case didn't come back as a DNS server when I made a quick test this morning), and that helps to determine the next possible step(s) in fixing any networking issue...
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