> How does this help us when we can't simply change the existing usage? > We can update the DT but we can't free up the usage of "10gbase-kr". Agreed. Code needs to keep on interpreting "10gbase-kr" as any 10G link. If we ever have a true 10gbase-kr, 802.3ap, one meter of copper and two connectors, we are going to have to add a new mode to represent true 10gbase-kr. Andrew