Tp-Link T1700X-16TS V1 [141/281] Multicast vlan

Forbidden Router

Ports:

Specify the forbidden router ports which is mainly used to forbid

ports becoming router ports.



VLAN Table

Select: Select the VLAN ID you want to change.

VLAN ID: Displays the VLAN ID.

Router Port Time: Displays the router port time of this VLAN.

Member Port Time: Displays the member port time of this VLAN.

Static Router Ports: Displays the static router ports of this VLAN.

Dynamic Router

Ports

：

Displays the dynamic router ports of this VLAN.

Forbidden Router

Ports:

Displays the forbidden router ports of the VLAN.

Note:

1. The MLD snooping function in a VLAN will take effect when global MLD snooping function is

enabled in 8.2.1 Snooping Config and the VLAN is created in Chapter 6 VLAN.

2. When the router port time or member port time is set for a VLAN, this value overrides the value

configured globally in 8.2.1 Snooping Config.

8.2.4 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 MLD 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 is

enabled, the multicast configuration for other VLANs on the VLAN Config page will be invalid, that

is, the multicast streams will be transmitted only within the multicast VLAN.

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