[Gllug] OT: Traceroute

[Andrew Halliwell]

And verily, didst Ian Baillie announce to the hordes:
> 
> I occasionally have problems with users sending and receiving mail, (on
> a Mac network).  I collect my mail using Evolution (as I am playing with
> Suse on my laptop) and ran a trace route to see how many hops it took to
> get to the mail server (external mail server).
> 
> After 11 hops it came up * * *
> 
> What does this mean?  Is the host unreachable?

Not neccecelery...
It just means that hop is unreachable. It usually continues after that with
another attempted route.

Only when you get a long line of those that go all the way up to 30 hops, or
you get an explicit "host unreachable" is it considered down or isolated.

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