Resolved! Route IGMP link-local groups
There are two VLANs in network:VLAN 30: 192.168.1.0/24VLAN 40: 192.168.2.0/24A IGMP multicast group 224.0.0.251 is used for devices in both VLANs.I try to configure the router to enable the multicast routing, but it seems the router cannot join that ...