From: "David S. Miller" <davem@redhat.com>
To: jw schultz <jw@pegasys.ws>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ICMP REQUEST
Date: Wed, 23 Jul 2003 11:22:29 -0700 [thread overview]
Message-ID: <20030723112229.4b4903ed.davem@redhat.com> (raw)
In-Reply-To: <20030723181212.GB15719@pegasys.ws>
On Wed, 23 Jul 2003 11:12:12 -0700
jw schultz <jw@pegasys.ws> wrote:
> On Wed, Jul 23, 2003 at 12:53:35PM +0530, Hemanshu Kanji Bhadra, Noida wrote:
> > Hi, All
> >
> > i am developing a ping program, through my program I get ECHO_REPLY..but I
> > dont get ECHO_REQUEST.
> >
> > is that the ECHO_REQUEST is handled by kernel.?
> >
> > please respond as it is urgent.
>
> In most cases ICMP ECHO_REQUEST is handled by the NIC. The
> kernel doesn't even see it. That is why you can ping a
> crashed system; the NIC is still configured.
False.
The reason you can ping a crashed system is that the network
stack and the card are still functioning in the kernel.
next prev parent reply other threads:[~2003-07-23 18:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-23 7:23 ICMP REQUEST Hemanshu Kanji Bhadra, Noida
2003-07-23 18:12 ` jw schultz
2003-07-23 18:22 ` David S. Miller [this message]
2003-07-23 18:26 ` Richard B. Johnson
2003-07-23 19:11 ` jw schultz
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