Router is slowing internet connection from 17 Mbps to 3 Mbps

josh asked:

The office is equipped with a Edgewater EdgeMarc 4500 router (Software Version 11.6.18 — Mon Mar 25 14:01:38 PDT 2013). I did a test and determined that the router is slowing down the internet from 17 Mbps to 3 Mbps:

speed test

…and as I was writing this question, I did some more digging and found this:

traffic shapping
enter image description here

Turning off traffic shaping fixed the problem. Should I leave it on but change the vaules? What should the values be?

This is a small office with 3 VOIP phones and a max of 3 people, usually 1, working.

My answer:

The values you have selected for Primary WAN downstream and upstream bandwidth are just about exactly the speeds you are getting with the speed tests. These should instead be set to approximately your actual bandwidth.

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