ZyXEL GS1920 Series User Guide - Page 179
Table 78
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Chapter 23 Multicast Figure 132 Advanced Applicaton > Multicast > IPv6 Multicast > MLD Snooping-proxy > Port Role Setting The following table describes the fields in the above screen. Table 78 Advanced Application > Multicast > IPv6 Multicast > MLD Snooping-proxy > Port Role Setting LABEL MLD Snooping-proxy VLAN ID Port * DESCRIPTION Select the VLAN ID for which you want to configure a port's MLD snooping-proxy settings. This field displays the port number. Settings in this row apply to all ports. Use this row only if you want to make some settings the same for all ports. Use this row first to set the common settings and then make adjustments on a portby-port basis. Port Role Changes in this row are copied to all the ports as soon as you make them. A port on the Switch can be either a Downstream port or Upstream port in MLD. A downstream port connects to MLD hosts and acts as a multicast router to send MLD queries and listen to the MLD host's Report and Done messages. An upstream port connects to a multicast router and works as a host to send Report or Done messages when receiving queries from a multicast router. Otherwise, select None if the port is not joining a multicast group or does not belong to this VLAN. GS1920 Series User's Guide 179