[Beowulf] Network problem: Why are ARP discovery requests sent to specific addresses instead of a broadcast domain
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Patrick Geoffray patrick at myri.comMon Jul 12 21:25:16 PDT 2010
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Rahul, On 7/13/2010 12:04 AM, Rahul Nabar wrote: > I am puzzled by a bunch of ARP requests on my network that I captured > using tcpdump. Shouldn't ARP discovery requests always be sent to a > broadcast address? No, the kernel regularly refreshes the entries in the ARP cache with unicast requests. If that fails, then it sends the expensive broadcasts. Patrick
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