We recently implemented ME (from AT&T). The head-end and four (4) remote ends are connected. Head-end is 50MB and each remote end is 8MB. The head-end is a SM 100/FULL hand-off. The remotes are coper hand-offs. AT&T tells us to hard setp each location (head and remotes) to 100/FULL. The problem is at the head-end we are connecting to a router SFP (sm) which will only perform 1000 auto or you can do non-negotiation. The remote locations can see each other via CDP, but the head-end to the remote. The head-end will not come up since we are not able to hard set the sfp tp 100/FULL. Instead we are using a SM transciever fo media conversion, but still having no success. The media converter has been swapped to rule out as a possibility and the dip switches on the convertor are set correctly. Could this be a provider issue. The config is attached.