ZyXEL NetAtlas User Guide - Page 202
Multicast
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Chapter 15 Multicast Configuration Table 100 Multicast Configuration > IGMP (continued) LABEL DESCRIPTION IGMP Last member Select the check box to set the OLT to query all group members when a group leave message is received. This is to confirm that all group members wish to leave that IGMP group. IGMP Last member Query Count IGMP Last member Query Interval IGMP Preview Timeout IGMP Preview Count IGMP Preview Interval IGMP Preview Count Reset Interval Apply Copy to... Close Clear the check box to disable this feature. The OLT does not send an IGMP query message when a group leave message is received, and the member that sent the leave message is removed from the IGMP group. The OLT will not remove the group until the last member is removed. Select the number of times the OLT sends a group-leave query. Select the time interval the OLT waits before sending another groupleave query. Specify the amount of time (in seconds) the OLT allows an ONU to join a given multicast group. Set the number of times the ONU can join a given multicast group. Specify the time interval (in seconds) the ONU is forced to leave a given multicast group and waits before it can join the group. Specify the time interval (in seconds) at which the OLT resets the preview counter. Click Apply to save the changes. Click the Copy to.. button to copy the configuration from the device that you are currently configuring to other device(s) of the same model. Click Close to exit this screen. 15.3 Multicast You can create a multicast template using the Template > Multicast Setting Template screen and apply the template to the switch in the Provisioning > Multicast Setting Provision screen. Note: When you apply a multicast template, all custom port multicast settings will be erased. 202 NetAtlas EPON Manager User's Guide