Question: No video is shown after applying, how to troubleshooting the service?
Answer: Use the following command to debug the IGMP protocol, if there is any IGMP message sent to the OLT
debugging igmp all
After type the above command, apply one program to see if there is IGMP message.
Question: How to query the online user?
Answer: command display igmp user all
Question: How to query the bandwidth of IPTV of the service board？
Answer: command display igmp bandwidth port
Question: How to query all the configuration？
Answer: command display current-configuration