![Ubiquiti UniFI OS bug: Wireless Lan Peer to Peer Traffic (incl Printing and Sonos Audio) broken by a recent software update | Simon Hackett Ubiquiti UniFI OS bug: Wireless Lan Peer to Peer Traffic (incl Printing and Sonos Audio) broken by a recent software update | Simon Hackett](https://simonhackett.files.wordpress.com/2021/12/multicast-broadcast-block-remove.png)
Ubiquiti UniFI OS bug: Wireless Lan Peer to Peer Traffic (incl Printing and Sonos Audio) broken by a recent software update | Simon Hackett
New Unifi Setup (Installed Dec 13 2020) WiFi connectivity issues | High TCP latency for Client | Access Point experienced high retry rates | Ubiquiti Community
![Wireless clients can't see each other "Block LAN to WLAN Multicast and Broadcast Data" is disabled : r/UNIFI Wireless clients can't see each other "Block LAN to WLAN Multicast and Broadcast Data" is disabled : r/UNIFI](https://preview.redd.it/r1fw3nqk7fb91.png?width=812&format=png&auto=webp&s=5b8167fea38e4ed087003cd7bdf60e267eaf983f)
Wireless clients can't see each other "Block LAN to WLAN Multicast and Broadcast Data" is disabled : r/UNIFI
![Wireless clients can't see each other "Block LAN to WLAN Multicast and Broadcast Data" is disabled : r/UNIFI Wireless clients can't see each other "Block LAN to WLAN Multicast and Broadcast Data" is disabled : r/UNIFI](https://preview.redd.it/da7yr52q7fb91.png?width=989&format=png&auto=webp&s=4b4db2846eb1cc98581724381c6ab757e852ac1d)
Wireless clients can't see each other "Block LAN to WLAN Multicast and Broadcast Data" is disabled : r/UNIFI
![Google Chromecast on a separate VLAN with UniFi Security Gateway | by Andrew Besford | Andrew Besford Google Chromecast on a separate VLAN with UniFi Security Gateway | by Andrew Besford | Andrew Besford](https://miro.medium.com/v2/resize:fit:1200/1*vVKasG9ei--sARQ_qRIuZg.png)