RB 1000 slow down Link

Hello House,

Can someone help me on this issue. My Rb1000 is slow down my link whenever im using it. this router has been working perfectly before now. whenever i bypass this router on my network it works well, and it also work well some things while its doesn’t most time. i was thinking if my service provider has reduce my bandwidth but it has be revealed that my bandwidth still remain same as well it was working perfectly.
This router is just using for simple routing one port for Internet while the second and the third ports are configured for masqurading with private IP.

I would be very grateful someone can help on this.

thanks.

Check your Ethernet Settings/Status. Maybe a autonegotiation/cabling issue.