Question PLDT 600 mbps on huawei then only 100 mbps after tp link

[JM_1__]

so my PLDT net came with a huawei router.. 2.5 and 5 g band.. now when I plug it directly thre.. i get 600 mbps.. but when I plug it my router.. I only get 100 mbps.. I'm wondering what the problem is.. I'm missing some speed here..

 

[COLGeek]

You plugged a router into a router, why?

What is the model of the TP-Link device?