ZyXEL MI-7248PWR User Guide - Page 148
IGMP Snooping VLAN
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Chapter 27 Multicast Table 49 Multicast Setting (continued) LABEL DESCRIPTION Reserved Multicast Group The IP address range of 224.0.0.0 to 224.0.0.255 are reserved for multicasting on the local network only. For example, 224.0.0.1 is for all hosts on a local network segment and 224.0.0.9 is used to send RIP routing information to all RIP v2 routers on the same network segment. A multicast router will not forward a packet with the destination IP address within this range to other networks. See the IANA web site for more information. Specify the action to perform when the switch receives a frame with a reserved multicast address. Select Drop to discard the frame(s). Select Flooding to send the frame(s) to all ports. Slot Select the slot at whose settings you want to look. Port This field displays the slot number and 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 port-byport basis. Immed. Leave Group Limited Max Group Num. IGMP Filtering Profile IGMP Querier Mode Apply Cancel Note: Changes in this row are copied to all the ports as soon as you make them. Select this option to set the switch to remove this port from the multicast tree when an IGMP version 2 leave message is received on this port. Select this option if there is only one host connected to this port. Select this option to limit the number of multicast groups this port is allowed to join. Enter the number of multicast groups this port is allowed to join. Once a port is registered in the specified number of multicast groups, any new IGMP join report frame(s) is dropped on this port. Select the name of the IGMP filtering profile to use for this port. Otherwise, select Default to prohibit the port from joining any multicast group. The switch treats an IGMP query port as being connected to an IGMP multicast router (or server). The switch forwards IGMP join or leave packets to an IGMP query port. Select Auto to have the switch use the port as an IGMP query port if the port receives IGMP query packets. Select Fixed to have the switch always use the port as an IGMP query port. Select this when you connect an IGMP multicast server to the port. Select Edge to stop the switch from using the port as an IGMP query port. The switch will not keep any record of an IGMP router being connected to this port. The switch does not forward IGMP join or leave packets to this port. Click Apply to save your changes to the switch's run-time memory. The switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the non-volatile memory when you are done configuring. Click Cancel to reset the fields. 27.4 IGMP Snooping VLAN Click Advanced Applications > Multicast in the navigation panel. Click the Multicast Setting link and then the IGMP Snooping VLAN link to display the screen as shown. See Section 27.1.4 on page 146 for more information on IGMP Snooping VLAN. 148 MS-7206 User's Guide