ZyXEL Communications Version 1.03 - Manual (Page 181)

Chapter 17 Multicast Configuration
NetAtlas Workgroup User’s Guide
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17.2.1 Configuring Port Multicast Settings
To change the multicast settings of a port, select a port in the Multicast Setting screen and
click Modify. A configuration screen displays.
Figure 129 Multicast Configuration: Multicast Settings: Modify
Unknown
Multicast Frame
Specify the action to perform when the switch receives an unknown multicast
frame. Select Drop to discard the frame(s). Select Flooding to send the frame(s)
to all ports.
Reserved
Multicast Group
Multicast addresses (224.0.0.0 to 224.0.0.255) are reserved for the local scope.
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.
Apply Click Apply to save the settings in this part of the screen.
Port This field displays the port number.
Immed. Leave/
Group Limited
This field displays whether the switch is set to remove this port from the multicast
tree when an IGMP version 2 leave message is received on this port.
This field also displays whether the port is set to join a limited number of groups.
Max Group Num. This field displays 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.
IGMP Filtering
Profile
This field displays the name of the IGMP filtering profile this port uses.
The default profile (Default) prohibits the port from joining any multicast group.
IGMP Querier
Mode
This field displays the IGMP querier mode on the port.
Modify Click Modify to change the multicast settings of the selected port.
Load Template Click Load Template to display a screen you use to select a multicast template.
View Profile Click View Profile to display the settings of a selected multicast template.
Table 93 Multicast Configuration: Multicast Settings (continued)
LABEL DESCRIPTION