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8-Port Gigabit Ethernet Smart Managed Plus Switch Model GS908E
Enable a VLAN for IGMP Snooping
You can enable IGMP for a VLAN only if you enabled the port-based VLAN mode (see
VLANs
on page 37) or the 802.1Q-based VLAN mode (see
To enable IGMP snooping for a VLAN:
1.
Open a web browser from a computer that is connected to the same network as the switch or to the
switch directly through an Ethernet cable.
2.
Enter the IP address that is assigned to the switch.
The login page displays.
3.
Enter the switch password.
The default password is password. The password is case-sensitive.
The HOME page displays.
4.
From the menu at the top of the page, select SWITCHING.
The Quality of Service (QoS) page displays.
5.
From the menu on the left, select MULTICAST.
The MULTICAST page displays.
6.
In the VLAN ID Enabled for IGMP Snooping section, enter a VLAN ID in the field.
If you enabled either the port-based VLAN mode or the 802.1Q-based VLAN mode, the default VLAN
for IGMP snooping is VLAN 1.
7.
Click the APPLY button.
Your settings are saved.
Manage Blocking of Unknown Multicast Addresses
As a way to limit unnecessary multicast traffic, you can block multicast traffic from unknown multicast
addresses. If you do this, the switch forwards multicast traffic only to ports in the multicast group that the
switch learned through IGMP snooping. By default, multicast traffic from unknown addresses is allowed.
To manage blocking of unknown multicast addresses:
1.
Open a web browser from a computer that is connected to the same network as the switch or to the
switch directly through an Ethernet cable.
2.
Enter the IP address that is assigned to the switch.
The login page displays.
3.
Enter the switch password.
The default password is password. The password is case-sensitive.
The HOME page displays.
4.
From the menu at the top of the page, select SWITCHING.
The Quality of Service (QoS) page displays.
Manage the Switch in Your Network
52
Manage 802.1Q-Based VLANs
Manage Port-Based
on page 40).
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