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.
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This archive was generated by hypermail 2b29 : Wed Jul 23 2003 - 22:00:50 EST