The mx250 wan port comparability with Cisco sfp modules 'ma sfp 1gb tx' recently seems to have stopped working. They worked just fine about a month ago, but now I'm unable to use the 1gb Copper (rj45) sfp module to connect to the wan port, specifically. This is problematic, I've got several sites to configure, in which this is the only module available to set up the nx250; it was working until recently, and the PDF says the module should be compatible. I can get a cheaper module that works, from a different vendor; my question is why these modules no longer work when they had, previously     ... View more