(Single-choice) An IPTV user reflects that the TV cannot be watched, open the debug switch on the OLT side, and the debug printing information is as follows: huawei( config).
(Radio) When configuring multicast services on MA5600T/MA5680T, the programs of multicast VLANs are statically configured, and which of the following options must be configured, otherwise the multicast programs may not be able to be watched