Why QoS Matters for Your Home Network
If your video calls freeze whenever someone starts a download, or your online game lags the moment a family member fires up Netflix, your router is treating all traffic equally — and that's the problem. Quality of Service (QoS) is a router feature that lets you decide which devices and activities get priority on your home network, so the things that matter most always get bandwidth first.
Here's a practical guide to understanding QoS, setting it up on your router, and making sure your connection stays smooth even when every device in the house is online.
What Is QoS (Quality of Service)?
QoS is a set of rules your router follows to manage traffic. Instead of sending data first-come, first-served, QoS lets you define priorities — so a work video call gets bandwidth before a background cloud backup, or your gaming console gets low-latency treatment ahead of a smart TV streaming a playlist.
Think of it like a traffic light at a busy intersection. Without QoS, every car (data packet) arrives at the same time and fights for space. With QoS, emergency vehicles (time-sensitive traffic) get a green light first.
When QoS Actually Helps
QoS makes the biggest difference when your connection is under pressure — meaning more devices are trying to use bandwidth than your plan provides at that moment. It's especially useful when:
- Multiple people work or learn from home and need reliable video calls
- Someone in the house games competitively and needs low latency
- Large downloads or uploads happen in the background (cloud backups, OS updates, torrent clients)
- Smart home devices compete with high-priority traffic — security cameras uploading footage, for example
If your internet plan already has headroom for everything your household does, QoS may not make a noticeable difference. But in a busy home with a moderate plan, it can be the difference between choppy calls and smooth ones. Check our speed needs guide to see whether your plan matches your household's actual demand.
How QoS Works: The Basics
Most routers offer QoS in one of three flavours:
1. Device-Based Priority
You pick which devices get first access to bandwidth. Your work laptop and gaming console go to the front of the line; the smart fridge and a guest's phone go to the back.
Best for: Households where specific devices always need priority (a dedicated home office setup, a gaming PC).
2. Application-Based Priority
You set rules by traffic type — video conferencing gets "high," file downloads get "low," streaming gets "medium." The router inspects traffic and applies the right priority automatically.
Best for: Homes where the same device does different things at different times (a laptop that's used for Zoom at 9 a.m. and torrents at 9 p.m.).
3. Bandwidth Allocation
You reserve a guaranteed slice of your upload and download speed for specific devices or applications. Everything else shares what's left.
Best for: Situations where one activity absolutely cannot drop below a threshold — like a home security camera system that needs consistent upload bandwidth.
How to Set Up QoS on Your Router
The exact steps vary by router brand, but the process follows the same pattern on almost every device.
Step 1: Log Into Your Router
Open a browser and type your router's IP address — usually 192.168.0.1 or 192.168.1.1. Enter your admin username and password. If you've never changed these, check the sticker on the bottom of the router or your provider's documentation.
Step 2: Find the QoS Settings
Look under Advanced, Traffic Management, or QoS in your router's menu. Common locations by brand:
- TP-Link (Deco): Deco app → More → QoS
- ASUS: Advanced Settings → Adaptive QoS
- Netgear: Advanced → Setup → QoS Setup
- Linksys: Apps & Gaming → QoS (older models) or Linksys app → Network Settings
- eero: eero app → Settings → eero Labs → Optimize for Conferencing & Gaming
Step 3: Set Your Bandwidth Limits
Most QoS systems ask you to enter your plan's download and upload speeds. This is important — the router needs to know the total available bandwidth so it can divide it properly.
Tip: Enter about 85–90% of your plan's stated speeds. If your plan is 150 Mbps down / 15 Mbps up, enter 130 Mbps down / 13 Mbps up. This gives the router headroom to manage traffic before the connection actually saturates. Run a speed test to confirm your real-world speeds.
Step 4: Assign Priorities
Add the devices or traffic types you want to prioritize. A practical starting point for most households:
| Priority | Devices / Traffic | Why |
|---|---|---|
| High | Work laptops, gaming consoles, video conferencing | Latency-sensitive — any delay is immediately noticeable |
| Medium | Streaming devices (smart TV, Chromecast), phones | Needs steady throughput but can buffer briefly |
| Low | IoT devices, cloud backups, software updates, guest devices | Can run in the background without real-time pressure |
Step 5: Save and Test
Apply your settings and run a real-world test: start a video call on your high-priority device, then kick off a large download on a low-priority one. If QoS is working, your call should stay smooth while the download throttles itself to what's left over.
QoS Tips for Common Scenarios
Working from Home
Set your work laptop to high priority and enable application-based QoS for video conferencing apps (Zoom, Teams, Google Meet). If your upload speed is limited, QoS on the upload side matters most — video calls are more sensitive to upload congestion than download. For more, see our home office internet guide.
Gaming
Competitive gaming cares more about latency than raw bandwidth. Set your console or PC to high priority, and if your router supports it, enable "game mode" or prioritize traffic on the ports your game uses. Read our gaming internet guide for the full setup, including latency and ping optimization.
Streaming
4K streaming needs about 25 Mbps of steady download bandwidth per stream. If multiple TVs are running simultaneously, QoS ensures each one gets its share before background traffic eats into it. See our streaming speed guide for per-service requirements.
Smart Home Devices
Most smart home devices use very little bandwidth individually, but dozens of them polling the cloud simultaneously can create "micro-congestion." Set IoT devices to low priority so they never crowd out your laptop or phone. If you run many connected devices, consider putting them on a separate network band or VLAN for even cleaner separation.
When QoS Isn't Enough
QoS manages how your existing bandwidth is shared — it can't create more of it. If your household regularly maxes out the connection even with good prioritization, the fix is a faster plan, not more QoS tuning.
Signs you've outgrown your plan:
- High-priority devices still buffer or lag during peak hours
- Speed tests consistently show you're hitting your plan's ceiling
- QoS is set correctly but multiple time-sensitive activities still compete
Check Get WiFi's current plans to see whether an upgrade makes sense — especially if you're still on an older plan that predates recent speed tier increases.
Other Fixes to Try First
Before blaming bandwidth, rule out WiFi coverage issues. A device that's getting a weak signal will underperform regardless of QoS settings. If your router is in the basement and your office is upstairs, the bottleneck is the wireless link, not the internet connection. Our mesh WiFi guide and troubleshooting guide cover the most common culprits.
Also consider whether a wired connection makes more sense for your highest-priority device. An Ethernet cable to your work desk eliminates WiFi variability entirely and gives QoS a stable foundation to work with.
Does Your Router Support QoS?
Most mid-range and premium routers include QoS. Budget routers and older ISP-provided equipment may not — or may offer only a basic version. If your router doesn't have QoS, upgrading to a modern WiFi 6 or WiFi 7 router with built-in QoS (and often automated traffic prioritization) is the simplest path.
Mesh systems like TP-Link Deco, eero, and Google Nest WiFi all include some form of QoS or automatic device prioritization in their apps, making setup straightforward even if you've never touched router settings before.
Frequently Asked Questions
Does QoS slow down my internet?
No. QoS doesn't reduce your total bandwidth — it redistributes it. Low-priority devices may feel slower when the network is busy, but high-priority devices will feel faster. When the network isn't congested, all devices use the full speed available.
Should I use QoS if I have a fast internet plan?
It depends on how many devices and activities compete for bandwidth at the same time. A 300 Mbps plan supports most households without QoS, but if you have 20+ devices, multiple simultaneous streams, and someone uploading large files, QoS still helps manage peak moments.
Can QoS fix lag in online games?
QoS can reduce lag caused by network congestion in your home. It can't fix lag caused by the game server being far away or your ISP's routing. If your ping is high even when nothing else is using the network, the issue is upstream — not something QoS can solve.
What's the difference between QoS and bandwidth limiting?
Bandwidth limiting caps a device at a fixed speed permanently. QoS is dynamic — it only restricts lower-priority traffic when the network is congested. When there's spare bandwidth, every device can use it freely.
Get WiFi is a local Canadian internet provider offering high-speed fibre and cable internet across Alberta.
Part of the Get Energy family.