No one knows of such a command and apparently the VDX line is finicky with what passive DACs they'll work with. I just ordered more of the ones I know that work. Tangent: Is it normal for these guys to still transmit light even when the interface is shut? ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "Mike Hammett" <nanog@ics-il.net> To: "NANOG list" <nanog@nanog.org> Sent: Wednesday, March 21, 2018 3:18:28 PM Subject: Brocade unsupported transceiver? Anyone know if there is a command in Brocade NOS (4.x) to force the use of an unsupported transceiver? If so, what is it? ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com