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Altera_Forum's avatar
Altera_Forum
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13 years ago

get MAC address of target IP

Hi, I have already spent some days searching the information how to fetch the MAC address associated with an IP address. I am primarly an FPGA designer and unfortunately beginner with regard ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

UDP is sent by the ip stack also which implicitly handles the arp cache and translates the ip address to a mac addresss. Note that if you are sending to an ip address that is several hops away then the ip kernel provides the mac address of the default router.