If you have router, that gets WAN ip, but you can’t access internet (WRT300N, Buffalo 300N, almost all routers with 4704 or 4702 CPU).
Problem found: igmp proxy blocks internet access.
Fix for now: Check “Filter Multicast” under Security -> Firewall.
Am trying to configure the hotspot system on my TP Link WR841N v10 and am stuck.
The minute I configure the Hotspot System, the access to Internet goes off.
I’ve tried Checking the Filter Multicast but it doesn’t help either.
Probably you are using a defected ddwrt version.