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Internet Speed Test Question

I have already tried a few things. When I hit Apply I get:

400 Bad Request
This server does not support the operation requested by your client.

Also, the WWM page does not stay put. I have to enter the code again.
 
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All true, but to me that wouldn’t explain a 150 Mbps loss.

My router does the normal stuff. Firewall, SPI, DoS prevention, NAT, DHCP server, plus SSL VPN services, gateway to gateway VPN tunnels, content filtering, access rules and who knows what else is running in the background by default that I’m not taking advantage of. And I can hit 940 x 40 with ease.
 
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If you've determined that you have a lot of phantom bandwidth on your network, the next step I would take is to figure out what devices are responsible for that. In the GUI, I can see the # of packets and bytes in both directions going over each port on my router. The numbers get reset when the router gets power cycled. If you have something similar in the GUI you could reboot the router and then watch the traffic stats in real time as things start to come back online and see what is using a significantly more amount of bandwidth.

IP enabled CCTV cams would be my first suspect.

 
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What do you do if you find the phantom bandwidth? When I did my test this morning I did connect just a few things at a time and check the speed. It stayed fairly steady even when I connected the security cameras. It is what it is I guess. I have plenty of speed so I guess I shouldn't worry about it.
 
I would put a stop to it, unless it was necessary. Plus I would be extremely curious. If there is something constantly using 15% of your WAN pipe with no explanation, that would be a huge cause of concern for me.

At work I have a 25 Mb fiber circuit, when I used to manage our firewall, if I did a speed test off hours or on the weekend and it returned anything less than 24 x 24, I took a look at the GUI immediately to see the IP addresses of the devices using bandwidth and try to make sense of it. We all have different levels at which we care about stuff or shrug it off, as someone with a passion for networking and IT in general, I am more anal about this then the average bear and do not rest until I have all of the answers I need. Or junk something that's causing me problems and just buy a new one
 
Many IoT devices will never be patched to fix known exploits. You could head over to ShieldsUp! at Gibson Research Corporation to test your router's firewall and make sure you don't have uPNP exposed or any other forwarded ports. GRC | ShieldsUP! — Internet Vulnerability Profiling  

I'm impressed that my AT&T-imposed router is as locked down as it appears to be.
 
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I tend to prefer custom firmware such as dd-wrt or operwrt on routers that can support it.
My Asus router is running Asusmerlin firmware. Nothing but good came from it.
 
Reactions: charlesrshell
All true, but to me that wouldn’t explain a 150 Mbps loss.
That depends on all the different kinds of things are going on in the background. Monitoring, for example, gets much more intensive as the speeds go up. There may also be some latency in the Ethernet switch fabric of the router.
 
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