On Fri, 5 Feb 1999, Mihai Tarabuta wrote:
> Subject: kernel routing problem
> When sending IP datagrams to your own IP address it seems that the
> kernel route those datagrams through the loopback interface.Using
> route command, I tried to force it to do it other way (through the
> hardware device and then through the physical cable), but it didn't
> work. (I have an ethernet card connected to a coax cable)
> Can this be done? And how? I guess I should modify the kernel source
> but I really don't know where to look.
In general, you do not receive the packets you transmit on Ethernet.
You might well have succeeded in transmitting packets destined for yourself,
but...
[[ Most Ethernet adpaters can be put into loopback mode, but this is for
self-testing. No Linux driver implements loopback mode directly, although
you can set "external" loopback in MII transceivers without kernel
modification. Loopback mode generally disables external reception so it's
not very useful operationally. ]]
Donald Becker [EMAIL PROTECTED]
USRA-CESDIS, Center of Excellence in Space Data and Information Sciences.
Code 930.5, Goddard Space Flight Center, Greenbelt, MD. 20771
301-286-0882 http://cesdis.gsfc.nasa.gov/people/becker/whoiam.html
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