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1b1ed1a
(Get the code!)
The proxy mode is just an optimization. Since l2pop is populating the neighbor table with the mapping between IP addresses and MAC addresses, the vxlan module is able to answer ARP requests instead of broadcasting them in the entire network. see [1] for explanations.
Using learning instead of population would be wonderful, but it seems unavailable for unicast VXLan networks, only for multicast vxlan networks [2].
As stated in [1], currently, it seems that the use of the vxlan module in the context of overlays networks must be combined with a "sdn controller" able to populate neighbor and fdb tables proactively (l2pop, bgp e-vpn) or by reacting to l2miss/l3miss netlink messages (IBM Dove).
[1]https:/
[2]https:/