j1d1 ethernet port activity led blinkin color is orange

My jetson tk1 j1d1 ethernet port activity led blinking orange.[u][/u]
When I do ping its react slowly.
It needs to blink green (as far as I know).
The left led blinks amber (And it’s good).
What can i do?

Orange led on means it is in 100M mode, green means 1000M mode