An FTTH user's IPTV service displays discontinuous images and sometimes freezes. Which of the following possible causes is correct? (Multiple choice)

The correct answer is A. There is packet loss on the link between OU and OLT. D. The multicast IP address planning is unreasonable, causing conflicts with other users' multicast. See the full explanation below for the reasoning.

FTTx Solutions and Deployment

Question

Options

AThere is packet loss on the link between OU and OLT.
BThe user's OIU was not successfully registered on OLT.
CThe OLT downstream port cannot learn the IAC address of the set-top box.
DThe multicast IP address planning is unreasonable, causing conflicts with other users' multicast

How the community answered

(31 responses)

A
71% (22)
B
10% (3)
C
19% (6)

Topics

#IPTV troubleshooting#multicast fault#packet loss#FTTH service fault

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