On Tue, Oct 15, 2013 at 3:59 AM, Windhya Rankothge <windys...@gmail.com>wrote:
> When we deploy the SDN usually, as I know, it is out-band control and we > have a direct connection between controller and the switch.. Is this > connection is based on IP addresses or MAC addresses are enough ?? (Does > the switch should be layer 3 or is it enough to have a layer 2 switch) ? > The control plane connection is made via layer 3, but there is no requirement that your switch itself be capable of inspecting L3 headers (the control plane connection being made to a management interface that looks a lot like a PC NIC port, not a switch port, and has different capabilities). -- Nick
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