Can only find Chromecast in Android apps for a short time after router restart

[GreenSystemAdmin]

Not fixed unfortunately, just delayed:

Google cast devices disappear

Actually, this was a false positive for me. Enabling IGMP snooping seems to delay, rather than fix, the issue. Previously the Chromecast was disappearing after about an hour, but now it seems to last about 12 hours before it disappears. My theory is that IGMP snooping helps because the interfaces are no longer flooded with multicast requests, and instead they are targeted. This means it takes longer before the interface is overloaded and drops? But I'm really stabbing in the dark there as I hav…

Trying a Gl.iNet AR300M instead to see if it handles things more consistently.