Chapter 21 Multicast
Table 52 Multicast Setting (continued)
LABEL | DESCRIPTION |
Unknown | Specify the action to perform when the switch receives an unknown multicast |
Multicast Frame | frame. Select Drop to discard the frame(s). Select Flooding to send the frame(s) |
| to all ports. |
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Reserved | Multicast addresses (224.0.0.0 to 224.0.0.255) are reserved for the local scope. |
Multicast Group | For examples, 224.0.0.1 is for all hosts in this subnet, 224.0.0.2 is for all multicast |
| routers in this subnet, etc. A router will not forward a packet with the destination IP |
| address within this range. 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. |
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Port | This field displays the port number. |
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* | 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 basis. |
| Note: Changes in this row are copied to all the ports as soon as you |
| make them. |
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Immed. Leave | 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. |
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Group Limited | Select this option to limit the number of multicast groups this port is allowed to join. |
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Max Group Num. | 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. |
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IGMP Filtering | Select the name of the IGMP filtering profile to use for this port. Otherwise, select |
Profile | Default to prohibit the port from joining any multicast group. |
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IGMP Querier | The switch treats an IGMP query port as being connected to an IGMP multicast |
Mode | 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. |
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Apply | Click Apply to save your changes to the switch’s |
| 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 |
| are done configuring. |
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Cancel | Click Cancel to begin configuring this screen afresh. |
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