Hello everyone,
I am encountering issues with setting up multicast traffic in a Layer 2 environment. Although the PCs can ping each other and are correctly connected to the Wi-Fi network, the VLC client is unable to receive the multicast stream sent by OBS Studio.
The network Lab consists of the following devices:
VLAN 200 for Wi-Fi Network:
IGMP Snooping Enabled on FortiSwitches and FortiAP:
config switch-controller managed-switch
edit <FortiSwitch_serial_number>
config ports
edit <port_name>
set igmp-snooping-flood-reports {enable | disable}
set mcast-snooping-flood-traffic {enable | disable}
end
end
OBS Studio Configuration:
VLC Configuration:
Although the network seems properly configured, VLC is unable to receive the multicast stream from OBS Studio. The two PCs connected to the Wi-Fi network (172.16.0.2 for VLC and 172.16.0.3 for OBS) can ping each other, so there is no basic connectivity issue. Both Windows firewalls are disabled.
Here are the troubleshooting steps I have tried, but without success
It seems like everything is configured properly, but multicast traffic is not being distributed correctly by the FortiSwitch or FortiAP. Has anyone experienced a similar setup or have suggestions on what to check or adjust to make multicast work in Layer 2 with VLC?
Thanks in advance for your support!
Some indications:
The SSIDs are configured in bridge mode, and I have enabled IGMP on both the SSID interfaces and the VLAN 200 interface.
The two APs are connected in native VLAN 100 (Management) and allowed VLAN 200 (Wi-Fi).
I might be making mistakes in enabling multicast and IGMP. I've tried following different guides from Fortinet, but they all say different things, so I'm getting confused.
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