Configuring procedure:
Step 1 Log in to the web UI of the ONT.
Step 2 Choose Services > Firewall > MAC Filtering.
Step 3 Set both Outgoing Default Action and Incoming Default Action to Deny.
Step 4 Set Direction to Outgoing. Enter 8CEC4BB30493 in the Source MAC Address field, set
Rule Action to Allow, and click Add.
Step 5 Set Direction to Incoming. Enter 8CEC4BB30493 in the Destination MAC Address field,
set Rule Action to Allow, and click Add.
Step 6 Repeat Step 4 to Step 5 to add the other two MAC addresses.
After the MAC addresses are added, they are displayed in Current Filter Table.