this switch supports ip multicast, you can enable igmp protocol on web management’s switch settings advanced page, then display the igmp snooping information in this page, you can view difference multicast group ,vid and member port here,ip multicast addresses range from 224.0.0.0 through 239.255.255.255.
the internet group management protocol (igmp) is an internal protocol of the internet protocol (ip) suite. ip manages multicast traffic by using switches, routers, and hosts that support igmp. enabling igmp allows the ports to detect igmp queries and report packets and manage ip multicast traffic through the switch.
2 static mac address
when you add a static mac address, it remains in the switch's address table, regardless of whether the device is physically connected to the switch or not. this saves the switch from having to re-learn a device's mac address when the disconnected or powered-off device is active on the network again.
steps to add static mac address:
(1). from the main menu, click administrator-]filter database -]static mac address.
(2). in the mac address box, enter the mac address to and from which the port should permanently forward traffic, regardless of the device’s network activity.
(4). in the port number box, enter a port number.
(5). if tag-based (ieee 802.1q) vlans are set up on the switch, static addresses are associated with individual vlans. type the vid (tag-based vlans) to associate with the mac address.
(6). click add.
3 mac filtering
mac address filtering allows the switch to drop unwanted traffic. traffic is filtered based on the destination addresses.
steps to specify a mac address to filter:
(1).in the mac address box, enter the mac address that wants to filter.
(2). if tag-based (802.1q) vlan are set up on the switch, in the vlan id box, type the vid to associate with the mac address.
(3). click the add.
(4). choose the mac address that you want to delete and then click the delete can delete it.