All,
I am trying to have a better understanding of how the SM and IPoIB interact with respect to arp. If there is a document that describes this please point me in the right direction. In the past, (OFED 1.0 and pre OFED 1.0) I observed the the following: 1) Using hosts A,B A> ping B (succeeded) A> opensm stop A> arp -d B A> ping B (Failed) 2) Using opensm-3.1 A> ping B (succeeded) A> opensm stop A> arp -d B A> ping B (succeeded) A> ping C (failed) In scenario 2, what allows the arp query for B to be resolved after the SM is stopped and arp entry cleared? Is this due to connected mode, in that an RD connection is already established? Or is there an underlying cache that feeds the ARP cache? Thanks, Todd
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