@debrajray I use Cisco from Afterdark Audio because I havent got around to Finisar.
@sns I used to have those concerns and avoided wifi. Then I spent some time with Auralic Aries G1, tried my best wired solution with daisy chained ERs and Gigafoils with 'Audiophile' ethernet cables (although some shared power sources because I didn't have more LPSs, and didn't know better then). Then tried wifi instead (WAP replaced all the ERs/ Gigafoils) and wifi was a bit better. Then thought I'd use wifi direct to Devialet and was shocked it was at least as good ... and the G1 and its $4k power cord became redundant ... along with the ERs, Gigafoils, cables, until I started putting them upstream and began a new avenue of discovery, followed by refocus on separating power sources, and optimising cable sheilds and grounds which led to paring back again. Still so much to try and so little time. DC cables and seperate battery for each ethernet device is the next avenue.