from snapshot above, i wanna ask some question

1. before this, Downstream Margin was 22 db and Upstream Margin was 26 db

2. now, the Downstream/Upstream Margin is like what you all see but! in 1 or 2 hours, the Downstream Margin can be like crazy number such as 20910923 db (when i post this reply, the Downstream Margin became 0 db  Upstream Margin stay 14 db  )

its happened since last week when the Downstream/Upstream Speed advertise become crazy.

what should i do eh? hope someone can explain/help me

thanks in advanced

** EDITED **



i tot changing to my blacksheep modem will solve my prob. but its getting worst... 

should i make a report? what to say eh?

Thanks in advanced again