Configuration Scheme; Using The Gui - TP-Link T1500 Series User Manual

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Configuring Layer 2 Multicast

Figure 7-14 Network Topology for Unknow Multicast and Fast Leave

7.3.2 Configuration Scheme

After the channel is changed, the client (Host B) still receives irrelevant multicast data,

the data from the previous channel and possibly other unknown multicast data, which

increases the network load and results in network congestion.

To avoid Host B from receiving irrelevant multicast data, you can enable Fast Leave on

port 1/0/2 and configure the switch to discard unknown multicast data. To change channel,

Host B sends a leave message about leaving the previous channel. With Fast Leave

enabled on port 1/0/2, the switch will then drop multicast data from the previous channel,

which ensures that Host B only receives multicast data from the new channel and that the

multicast network is unimpeded.

Demonstrated with T1500-28PCT , this section provides configuration procedures in two

ways: using the GUI and using the CLI.

1) Create VLAN 10. Add port 1/0/2 to the VLAN as untagged port and port 1/0/4 as tagged

port. Configure the PVID of the two ports as 10. For details, refer to

2) Choose the menu L2 FEATURES > Multicast > IGMP Snooping > Global Config to load

the following page. In the Global Config section, enable IGMP Snooping globally and

configure Unknown Multicast Groups as Discard.

Configuration Examples

Configuring 802.1Q

Configuration Guide