Tp-Link T2500-28TC V2 [174/342] Multicast vlan

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Figure 10-8 Multicast Filter

The following entries are displayed on this screen:



Create IP-Range

IP Range ID:

Enter the IP-range ID.

Start Multicast IP:

Enter start multicast IP of the IP-range you set.

End Multicast IP:

Enter end multicast IP of the IP-range you set.



IP-Range Table

IP-Range ID Select: Click the Select button to quick-

select the corresponding

IP-range ID based on the ID number you entered.

Select:

Select the desired entry to delete or modify the corresponding

IP-range. It is multi-optional.

IP-Range ID:

Displays IP-range ID.

Start Multicast IP:

Displays start multicast IP of the IP-range.

End Multicast IP:

Displays end multicast IP of the IP-range.

10.1.5 Multicast VLAN

In old multicast transmission mode, when users in different VLANs apply for join the same

multicast group, the multicast router will duplicate this multicast information and deliver each

VLAN owning a receiver one copy. This mode wastes a lot of bandwidth.

The problem above can be solved by configuring a multicast VLAN. By adding switch ports to

the multicast VLAN and enabling IGMP Snooping, you can make users in different VLANs share

the same multicast VLAN. This saves the bandwidth since multicast streams are transmitted

only within the multicast VLAN and also guarantees security because the multicast VLAN is

isolated from user VLANS.

Before configuring a multicast VLAN, you should firstly configure a VLAN as multicast VLAN

and add the corresponding ports to the VLAN on the 802.1Q VLAN page. If the multicast VLAN