Drew's got it : power requirement for 10G-baseT exceeds the specifications of SFP+ interfaces. This is the reason why all manufacturers will address this need with Twinax/DAC copper cables or preconnectorized fibre cables. The drawback stays : maximu...
Hi Sebastian,
I agree with Henrique : the dual attachement design is simple and effective.
I would add the simplest solution would be to stack your core switches so they are seen as a single device. You can do this using either stack modules (Summi...