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FreeRTOS+TCP is still in the lab
FreeRTOS+TCP is already used in commercial products and we encourage you to try it yourself. Be aware however that we are still refining its design, and the source code and documentation do not yet meet Real Time Engineers Ltd's strict quality standards.
Please use the forum for support, feedback and ideas, or contact us directly if you have a specific business interest.

LLMNR

LLMNR stands for Link Local Multicast Name Resolution, which is a protocol for name resolution.

LLMNR is a multicast protocol used on local area networks. It is the method used by all major web browsers to resolve names that do not include a dot ('.'). For example, if you attempt to open the web page: http://my_freertos_device/index.html, then the web browser would send an LLMNR request to try and resolve the name 'my_freertos_device'.

All LLMNR packets are sent to IP address 224.0.0.252 on MAC address 01:00:5E:00:00:FC, so the network interface (MAC) must be programmed to accept packets on that address for LLMNR to function. In addition ipconfigUSE_LLMNR must be defined as 1 in FreeRTOSIPConfig.h, and the user must provide the implementation of a callback function xApplicationDNSQueryHook() that takes a char pointer as a parameter and returns pdTRUE if the name passed into the function matches a name used to identify the node.


Useful links:


Other networking basics pages:



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