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Hi, I'm using the RL-ARM with the TCP rutines in my embedded project. My project works fine. The user read data using TCP and also can use HTTP to surf my web page.
But..after some times (can be days) the switch that connect to the network stop working and the user can't get to my unit. If I connect a laptop directlly to the unit it can get data - so its a switch (hub) problem.
Some network people told me that the today's switches can see if the data is from a pc and if not it disconnect the port for security reason. They also told me that a normal pc sends every few minutes an "alive" command (maybe ARP) and the switch can understand that the unit that is connected is a "real" unit.
Using the RLARM I can't force a wakeup ARP.
Any help?
Thanks, Doron
I've started a technical support request two weeks ago.