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To Import certificate:
① Click the Import Certificate button to enter the page below.
② Enter the certificate name.
③ Paste the certificate content.
④ Click Apply to apply your settings.
4.2.15 Multicast
Here you can configure the multicast feature.
To configure IGMP for IPv4
① Check the LAN to LAN (Intra LAN) Multicast Enable box.
② Check the Membership Join Immediate (IPTV) box. This is only required for IPTV.
③ Keep other options unchanged from factory defaults if you are not an advanced user. This is strongly
recommended.