How to Fix IPTV Buffering & ISP Throttling in Canada
Published on July 20, 2026 • 5 min read • Written by Xtream View Tech Team
Buffering is the enemy of a premium streaming experience. In Canada, many users subscribe to high-speed fiber internet plans but still experience buffering or freezes when trying to stream live TV. This guide explains why this happens and how to resolve it.
1. Understand ISP Throttling
Canadian ISPs often monitor network ports that handle media streaming traffic. During peak hours (evenings and live sport event times), ISPs limit download speeds on these specific ports to reduce overall network loads. Even if a speed test shows 500 Mbps, your ISP might limit streaming bandwidth to just 10 Mbps, causing live streams to buffer.
2. Change Your DNS Settings
By default, your router uses your ISP's DNS servers, which can route your connections poorly. Switching to public DNS servers can speed up resolving times and improve routing to streaming servers.
- Cloudflare DNS: Primary: `1.1.1.1` • Secondary: `1.0.0.1`
- Google DNS: Primary: `8.8.8.8` • Secondary: `8.8.4.4`
3. Switch from Wi-Fi to Ethernet
Smart TVs and Firesticks are often located far from the router. While Wi-Fi is fine for browsing, it is subject to signal interference from other devices. Connecting your device using a physical Ethernet cable provides a stable connection, reducing lag.
4. Use a VPN to Bypass Throttling
A VPN encrypts your traffic so your ISP cannot see what servers you are communicating with. Since the ISP cannot classify your traffic as video streaming, they cannot trigger throttling mechanisms, leading to smooth 4K playback.
Conclusion
By changing your DNS to Cloudflare, connecting with an Ethernet cable, and routing your traffic through CDN-optimized server configurations, you can eliminate buffering completely.