I have no experience with these specific units, but I have noticed that some of the cable company kit is sensitive to the device name. Spaces and special characters can cause issues. Sometimes, a friendly name is reported by the client device rather than its MAC address. This can cause issues if there are duplicates. For example, Sonos units will report "ZonePlayer". This is fine for the first reservation, but following reservations might fail unless you rename one or both players.