Not sure what you expect to see.. The only thing that changed between 50/10 and 35/5 was the new firmware and the new bootfile...
DiffProbe release. January 2012. Build 1008.
Shaper Detection Module.
Connected to server 188.8.131.52.
Upstream: 5956 Kbps.
Downstream: 35873 Kbps.
The measurement will take upto 2.5 minutes. Please wait.
Checking for traffic shapers:
Upstream: Burst size: 9915-9975 KB;
Shaping rate: 4256 Kbps.
Downstream: Burst size: 10554-10873 KB;
Shaping rate: 30725 Kbps.
For more information, visit: »www.cc.gatech.edu/~partha/diffprobe