post the qsys window screenshot.
Attached is a zip containing the 4 images. (needed to zip because you can only upload 5 files per post)
post the linker script configuration window screenshot. See attached BSP - Linkerscript
where do you place the nios startup vectors? See attached Nios Start Up vectors
what's the clock frequency of nios system? The Nios is running at 100Mhz and the TSE_MAC is at 50Mhz. All with applicable clock crossing bridges and FIFOS.
did you try to disable dhcp? No yet, i will do so tonight. At work and i left my board at home.
Again i really appreciate you effort to help and hope i can repay some time.