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SubjectRe: Why a host not ping-able?
On Tue, 4 Dec 2012 06:17:25 +0000 (UTC)
Woody Wu <narkewoody@gmail.com> wrote:

> Hi, list
>
> I am not sure this has something with kernel. But the system I just
> generated cannot be reached from ping. It can ping outside, but if I
> ping it from outside, I just get "Destination Host Unreachable".
>
> I think there is not firewall in between, and the two host in the test
> are in the same ethernet sub network. Is that possible the strange
> behavior caused by somehow misconfigured kernel?

Very unlikely. More likely you have a routing problem somewhere. tcpdump
or similar network monitoring tools are probably what you need.


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