I am assuming that 8Mbps & 512Kbps is a totally different account & packages, and I noticed you are also running pfsense thus I also assumed that the LCP is configured in the pfsense. Then it should works out of the box if your configuration in pfsense is correct.

But I'm very confused of the total ADSL line you have there, possible to share a drawing of your network diagram so I can have more understanding, then from there also maybe I can find the bottleneck/root cause.

LCP is not control by TM nor do they block any, as I've 2 Unifi account + 1 Maxis + 1 TIME in the office here. Configured with LCP + QoS, the only difference here is I'm using VyOS instead of pfsense. But it should work regardless if its pfsense or not.

Do share the network diagram (briefly) to understand how your network is connected.

Still no idea what's your network like, if you really want to do load balancing the easy way, try (https://www.peplink.com/) products.

Their load balancer is very good & highly recommended, else try VyOS.

WOW.... it did disconnects very often & re-connect back. It seems like packet drop just like that.

During the test, is there any other computers or network devices running ?

Maybe we can try the following :-

1. Disconnect all computers from the network (including wifi devices too).

2. Disconnect all WANs.

3. Connect 1st WAN first, & see is there any drops.

4. Disconnect 1st WAN & connect 2nd WAN, & see is there any drops or not.

5. Then try both WANs connections, is there drops or not.

6. Then start to connect each network devices, 1 at a time slowly & monitor it closely.

7. Lastly is the computers & wifi devices, also 1 at a time.


Somehow I think its still the configuration issues.

A. Another thing to take note also, the incoming cable for that ADSL, is it new ? I mean from outside into your home.
B. Do you have those ADSL Splitter installed ? If yes, try removing it.


Let me know your test results...