How to lower file downloads traffic priority

Networking Solutions
1

I use a RUTX11 in a home setting to have a cellular backup in case of an outage with my cable ISP.

I don’t need traffic prioritization when running on the cable ISP since the bandwidth is more than sufficient, but when I’m on the cellular backup, the limited bandwidth means that any heavy operation like a file download on some device affects more critical traffic like streaming on my IPTV or even normal web browsing.

I’ve given a chance to SQM with all the available scripts (cake, etc.) but it has not resulted in any improvement. Since the bandwidth of the cellular interface varies, I’ve configured SQM with the “0” value, but I’ve also tried putting a conservative value of 20 Mbps (20’000), with no visible improvements.

Does anyone have a suggestion on how I could tackle this?

I’ve read a little on DSCP priorities and how I could mark a lower priority to file download packets, but if the download goes through port 443, the firewall rule would also incidentally lower web traffic priority since it’s the HTTPS port.

Thank you!

2

Hello,

Our devices feature a QoS function that allows you to prioritize network traffic based on hosts, ports, or services, as well as limit download and upload speeds on a selected interface.

You can find more information about QoS on the RUTX11 on our wiki page: RUTX11 Traffic Shaping - Teltonika Networks Wiki

Hope this helps!

Best Regards,

4

Thank you for your reply.

Unfortunately, the QoS feature doesn’t allow you to pick services like in some routers designed for home use. I would have to pick ports, but according to the information I can see in Status > Real-time data > Connections, the server of my ISP IPTV service is running on port 80, which is the same port as HTTP web browsing.

I tried the approach of setting the CS3 DSCP classification to the packets coming from/going to the IPTV server by targeting the server’s IP address, along with enabling SQM layer cake, but it doesn’t seem to work.