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[Xen-devel] Re: [RFC] ARP notify option

Stephen Hemminger wrote:

+arp_notify - BOOLEAN
+       Define mode for notification of address and device changes.
+       0 - (default): do nothing
+       1 - Generate gratuitous arp replies when device is brought up
+           or hardware address changes.

Did you consider using gratuitous arp requests instead? I remember reading about some hardware that updated its arp cache on gratuitous requests but not gratuitous replies.


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