From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Woody Wu <narkewoody@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Why a host not ping-able?
Date: Tue, 4 Dec 2012 08:47:23 +0000 [thread overview]
Message-ID: <20121204084723.4b992d49@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <slrnkbr59r.us1.narkewoody@zuhnb712.local.com>
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.
next prev parent reply other threads:[~2012-12-04 8:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-04 6:17 Why a host not ping-able? Woody Wu
2012-12-04 8:47 ` Alan Cox [this message]
2012-12-04 11:34 ` Rob Landley
2012-12-05 3:24 ` Woody Wu
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