Hi Jan,

Panagiotis Issaris wrote:

This fails due to the lacking loopback device. Try the same under linux by first calling "ifconfig lo down". :)


Ah! Didn't know that! :o)

Actually, how come? I always thought loopback was some kind of a fake device, totally separate from the
real hardware devices. But indeed as you said, bringing down lo on plain linux causes failure of ping on
a real hardware device.


But even if rt_loopback is loaded, this local ping will of course not involve the NIC in any way. Use an existing output route to that device instead, e.g. 192.168.1.255 (broadcast).


I'll try this in a second. Sending this e-mail first to make sure I don't lose the info because of a crash :)

I've tried pinging 192.168.1.8 now, without rtmac nor tdma loaded. This worked. I continued pinging 192.168.1.255,
which gave me the expected result :-) It showed one line, and after .5 a second a reset occurred.



With friendly regards, Takis

--
 K.U.Leuven, Mechanical Eng.,  Mechatronics & Robotics Research Group
 http://people.mech.kuleuven.ac.be/~pissaris/



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