I am trying to follow this guide to enable the use of Sonos speakers across multiple VLANs using multicast routing. This isn't something I've used before and I am unsure how it needs to be configured on Sophos UTM9.
Basically, there is an Internal VLAN where the Sonos speakers live and an Employee Wi-Fi VLAN where clients would need to be able to access them from.
Can anyone advise what needs to be done here?
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