D-Link DGS-3426P Product Manual - Page 179

Restrictions and Provisos, IGMP Snooping Multicast VLAN Table window

Page 179 highlights

xStack® DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch Regardless of other normal VLANs that are incorporated on the Switch, users may add any ports to the multicast VLAN where they wish multicast traffic to be sent. Users are to set up a source port, where the multicast traffic is entering the switch, and then set the ports where the incoming multicast traffic is to be sent. The source port cannot be a recipient port and if configured to do so, will cause error messages to be produced by the switch. Once properly configured, the stream of multicast data will be relayed to the receiver ports in a much more timely and reliable fashion. Restrictions and Provisos The Multicast VLAN feature of this switch does have some restrictions and limitations, such as: 1. Multicast VLANs can only be implemented on edge switches. 2. Member ports and source ports can be used in multiple ISM VLANs. But member ports and source ports cannot be the same port in a specific ISM VLAN. 3. The Multicast VLAN is exclusive with normal 802.1q VLANs, which means that VLAN IDs (VIDs) and VLAN Names of 802.1q VLANs and ISM VLANs cannot be the same. Once a VID or VLAN Name is chosen for any VLAN, it cannot be used for any other VLAN. 4. The normal display of configured VLANs will not display configured Multicast VLANs. 5. Once an ISM VLAN is enabled, the corresponding IGMP snooping state of this VLAN will also be enabled. Users cannot disable the IGMP feature for an enabled ISM VLAN. 6. User can configure 16 ranges of multicast groups, no upper limitation of each range. 7. Router ports cannot be deleted if they are the source ports for ISM VLANs. The following windows will allow users to create and configure multicast VLANs for the switch. To view this windows, click L2 Features > IGMP Snooping > ISM VLAN Settings, as shown below. Figure 3 - 35 IGMP Snooping Multicast VLAN Table window The previous window displays the settings for previously created Multicast VLANs. To create a new Multicast VLAN, click the Add button in the top left-hand corner of the screen, which will produce the following window to be configured. Figure 3 - 36 IGMP Snooping Multicast VLAN Table - Add window The following fields can be configured or viewed: Parameter Description VLAN Name Enter a name for the ISM VLAN into the field. 170

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xStack
®
DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
170
Regardless of other normal VLANs that are incorporated on the Switch, users may add any ports to the multicast VLAN where
they wish multicast traffic to be sent. Users are to set up a source port, where the multicast traffic is entering the switch, and then
set the ports where the incoming multicast traffic is to be sent. The source port cannot be a recipient port and if configured to do
so, will cause error messages to be produced by the switch. Once properly configured, the stream of multicast data will be relayed
to the receiver ports in a much more timely and reliable fashion.
Restrictions and Provisos
The Multicast VLAN feature of this switch does have some restrictions and limitations, such as:
1.
Multicast VLANs can only be implemented on edge switches.
2.
Member ports and source ports can be used in multiple ISM VLANs. But member ports and source ports cannot be the
same port in a specific ISM VLAN.
3.
The Multicast VLAN is exclusive with normal 802.1q VLANs, which means that VLAN IDs (VIDs) and VLAN Names
of 802.1q VLANs and ISM VLANs cannot be the same. Once a VID or VLAN Name is chosen for any VLAN, it cannot
be used for any other VLAN.
4.
The normal display of configured VLANs will not display configured Multicast VLANs.
5.
Once an ISM VLAN is enabled, the corresponding IGMP snooping state of this VLAN will also be enabled. Users
cannot disable the IGMP feature for an enabled ISM VLAN.
6.
User can configure 16 ranges of multicast groups, no upper limitation of each range.
7.
Router ports cannot be deleted if they are the source ports for ISM VLANs.
The following windows will allow users to create and configure multicast VLANs for the switch.
To view this windows, click
L2 Features
>
IGMP Snooping > ISM VLAN Settings
, as shown below.
Figure 3 - 35 IGMP Snooping Multicast VLAN Table window
The previous window displays the settings for previously created Multicast VLANs.
To create a new Multicast VLAN, click the
Add
button in the top left-hand corner of the screen, which will produce the following
window to be configured.
Figure 3 - 36 IGMP Snooping Multicast VLAN Table - Add window
The following fields can be configured or viewed:
Parameter
Description
VLAN Name
Enter a name for the ISM VLAN into the field.