RUTX50 RutOS limit connected client bandwidth

[davyjones]

I have a 300/50 mbps 5G SA SIM locked to N78 in a RUTX50.

I tested the speed this morning on the speedtest website (as yes I know that RutOS has a speed test tool available) and the DL speed was 10 or less. I turned out my son was downloading a Steam game update which seemed to be taking all the bandwidth.

Of course one can set bandwidth limits inside the Steam application but I was wondering would it be possible to limit bandwith to client IPs listed in Status > Network > LAN?

I’m aware of the Traffic Shaping options in Network > Traffic Shaping > SQM which appears to apply only to network interfaces in Network > WAN. I have only one WAN interface active for the single SIM in the device and all clients get internent through that so would that not just limit the DL speed of the whole interface and thereby affect every client?

Is there a RutOS method to limit bandwith to specific LAN hostnames or IP addresses? I found the post below which seems simple enough to use, is that still a valid soluton and would someone recommend it or is there another way?

RUT955 - Bandwidth Management IP-Clients

Hello! I’m using RUT955 as an access point for several wireless IP clients. The internet connection is provided via a cellular connection. To save data volume, I want to limit the speed of a specific IP client. Is there a way to do this? I’ve tried QoS and SQM, but both only allow limiting the entire internet connection, since you can only define rules for instances (e.g. the SIM card) and not for specific wireless clients. This is not strictly necessary. Background: I use a Fire TV Stick in …

Regards

[Martynas]

Hello,

Apologies for the delay. In your case, in my view, a straightforward way to limit bandwidth for a specific host or network would be by using QoS (Quality of Service). This method allows you to shape traffic for a specific LAN interface rather than applying limits globally on the WAN interface. However, this approach would involve creating a separate VLAN network.

Here’s how to guide for implementing QoS using a VLAN-based approach:

Step 1: Create a VLAN for limited network

Navigate to Network → VLAN

• Press Add
• Choose Port-based or Tag-based on created VLAN ID 3 (depending on how the client device is connected and your network setup)
  
  

---

Step 2: Create a limited network LAN Interface

Navigate to Network → LAN

• Press Add
• Name the interface;
• Assign a unique IP address and netmask (e.g., 192.168.10.1/24)
• Enable DHCP server for that interface (not required if a static IP for host device will be assigned)
• Under Physical Settings, select the VLAN interface you created earlier (e.g., eth0.3)
  
  
  
  
  

---

Step 3: Configure QoS for Bandwidth Limiting

1. Install the QoS package via System → Package Manager if not already installed
2. Navigate to Network → Traffic Shaping → QoS
3. In the Add new instance field, select your newly created LAN interface
4. Click Add, then:

• Specify Upload and Download limits in kbit/s
• Enable the rule
  
  

QoS interface after the applied settings

Don’t forget to press Save & Apply after each step.

---

After this setup, any client connected to the specified VLAN will have their bandwidth shaped according to your QoS settings, leaving the primary LAN unaffected.

I hope this guide helps, and if you have any questions, let me know.

Best regards,

[davyjones]

@Martynas no problem at all and big, big thanks, this is excellent!

There are a couple things I don’t fully understand. By default my RUTX50 RutOS VLAD ID 1 has LAN 2 Untagged, what does this mean and why is it not the same in your screenshot?

And having LAN 2 Untagged in VLAD ID 1 causes a conflict when I added VLAN ID 3 and set LAN 2 Untagged so am I supposed to untag that for VLAD ID 1? I am guessing this is what you did here hence VLAD ID 1 LAN 2 appears as “Off”

And when I add the new LAN interface I should turn it On so it’s Up like the first entry correct?

And then I don’t understand how to get a client to access the internet through this new LAN/VLAN/QOS setup since all clients are using the default LAN interface.