(Radio) follow the multicast IP address 227. The correct multicast MAC address corresponding to 120.1.32 is
(Radio) When the invitation message sent by user A reaches user B after passing through server C, D, E, the message received by user B is VI
Layer 2 enables IGMP-snooping , and when the switch port receives an IGMP join packet, it listens for the packet and adds the corresponding port to the multicast group
(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).
This can be judged by the results of the query
Kerry
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