Monotosh Das wrote: > I do not have any explanation why this lines are there... I have nothing to > do with those IP addresses. > >> RTnet: host 222.83.167.242 unreachable >> RTnet: no protocol found >> RTnet: no protocol found
You have attached your RTnet box to a public network. More or less arbitrary packets may come in, e.g. ICMP requests. As you likely haven't set any default route, such requests cannot be answered and cause these warnings. Make sure that you at least control the traffic on your network segment with some firewall - or isolate the segment (that's what RTnet assumes by design). > > I have particularly added the IP address that I needed in the host table and > rtping worked correctly, though it was showing the round trip time is equal > to 0... I do not know why... but it can ping the desired IP... > Recall that you are running RTAI. That means you have to fiddle with the system timer (like you do in your program: start_rt_timer) until RTnet can work properly with anything time-related. Jan
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