When you simulate the 10GbE MAC with XAUI PHY design example in the 64-bit ModelSim simulation software, the simulation fails. The design example contains the JTAG to Avalon Master Bridge core which does not support the 64-bit ModelSim simulation software.
This issue affects the 10GbE MAC with XAUI PHY design example that contains the JTAG to Avalon Master Bridge core.