D-Link DGS-1210-10P Reference Manual - page 51
5 Configuration
D-Link Web Smart Switch User Manual
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Last Member Query Interval (1-25 sec): The Last Member Query Interval is the Max Response Time
inserted into Group-Specific Queries sent in response to Leave Group messages, and is also the amount of
time between Group-Specific Query messages. This value may be adjusted to modify the "leave latency" of
the network. A reduced value results in reduced time to detect the loss of the last member of a group. Default
is 1 second.
Max Response Time (10-25 sec): The Max Response Time specifies the maximum allowed time before
sending a responding report message. Adjusting this setting effects the "leave latency", or the time between
the moment the last host leaves a group and when the multicast server is notified that there are no more
members. It also allows adjustments for controlling the frequency of IGMP traffic on a subnet. Default is 10
seconds.
To enable IGMP snooping for a given VLAN, select enable and click on the Apply button. Then press the
Edit button under Router Port Setting, and select the ports to be assigned as router ports for IGMP
snooping for the VLAN, and press Apply for changes to take effect. A router port configured manually is a
Static Router Port, and a Dynamic Router Port is dynamically configured by the Switch when query control
message is received.
Figure 5.48 – L2 Functions > Multicast > IGMP Snooping VLAN Settings
State : Specify the State to be enabled or disabled.
Querier State: D-Link Smart Switch is able to send out the IGMP Queries to check the status of multicast
clients. Default is disabled.
Fast Leave: Specify the Fast Leave feature to be enabled or disabled.
To view the Multicast Entry Table for a given VLAN, press the View button.
Figure 5.45 – L2 Functions > Multicast > IGMP Multicast Entry Table
Click Delete to remove a specified entry or click Delete All to remove all entries.
L2 Functions > Multicast > Multicast Forwarding
The Multicast Forwarding page displays all of the entries made into the Switch’s static multicast forwarding
table. To implement the Multicast Forwarding Settings, input VID, Multicast MAC Address and port settings,
then click Add.