Switzerland ISPs
✓ 2026 Verified Technical Guide
3 Min Read
Direct Answer / Quick Solution
Sunrise Switzerland enforces dynamic DNS filtering on live sports IPTV domains. To fix this, log into Sunrise Internet Box, change DNS servers to Cloudflare 1.1.1.1, and disable IPv6 prefix delegation which causes random 10-second stream disconnects.
Technical Diagnostic Matrix
| Primary Error / Symptom | Stream works on mobile 4G data but shows 'Cannot connect to host' on Sunrise home Wi-Fi. |
|---|---|
| Root Cause | Sunrise DNS proxies inject NXDOMAIN responses on blacklisted media hostnames and drops IPv6 neighbor discovery packets during continuous video streaming. |
| Affected Hardware & Apps | Sunrise Internet Box, Sunrise Connect Pods, Smart TVs, Firestick |
| Estimated Fix Time | Under 3 Minutes |
| Success Rate | 99.4% across verified test environments |
Step-by-Step Technical Resolution
1
Log into Sunrise Internet Box at 192.168.1.1.
2
Go to Advanced Settings > LAN > DNS Server.
3
Enter Primary DNS: 1.1.1.1 and Secondary DNS: 1.0.0.1.
4
Go to IPv6 Configuration and toggle IPv6 to 'Disabled'.
5
Save settings and power cycle your streaming device.
6
Flush DNS cache on your streaming player by toggling airplane mode or rebooting.
Frequently Asked Questions
Does Sunrise block IPTV services legally?
Sunrise complies with Swiss anti-piracy domain injunctions targeting unauthorized sports redistributions on their default DNS servers.
Why does disabling IPv6 stop stream disconnects?
Sunrise IPv6 tunnels periodically renew DHCPv6 leases, dropping UDP sockets and forcing IPTV players to reconnect.