Hi all, We will change our Back Bone switch and i need some advice. our topology http://b1212.hizliresim.com/14/6/gml93.png we need min. 4x10g fiber and min 1x1g fiber port (should be 12x1g sfp) any idea? thanks H.Alperen SELÇUK GSM : +90 (544) 880 98 80