![NETGEAR ProSAFE GS105Ev2 User Manual Download Page 17](http://html.mh-extra.com/html/netgear/prosafe-gs105ev2/prosafe-gs105ev2_user-manual_1672738017.webp)
Manage Network Settings
17
ProSAFE Gigabit Web Managed (Plus) Switches
6.
Make sure that the IGMP Snooping Status
Enable
radio button is selected.
By default, the
Enable
radio button is selected.
7.
Make sure that a VLAN ID between 1 and 4094 is stated in the
VLAN ID Enabled for IGMP
Snooping
field.
IGMP snooping functions only on the VLAN that is specified in the
VLAN ID Enabled for
IGMP Snooping
field.
8.
(Optional) Select the Validate IGMPv3 IP header
Enable
radio button.
Some network devices might not conform to the IGMPv3 standard. When the Validate
IGMPv3 IP header option is enabled, IGMP messages are required to include TTL = 1,
ToS Byte = 0xC0 (Internetwork Control), and the router alert IP option (9404) must be set.
Otherwise, the packets are ignored.
9.
(Optional) Select the Block Unknown MultiCast Address
Enable
radio button.
When this feature is enabled, multicast packets are forwarded only to the ports that are in
the multicast group learned from IGMP snooping. All unknown multicast packets are
dropped.
10.
(Optional, for some models only) Select an option from the
IGMP Snooping Static Router
Port
menu.
You can select a port to be the dedicated IGMP snooping static router port if no IGMP
query exists in the network for the switch to discover the router port dynamically. After a
port is selected as the static router port, all IGMP Join and Leave reports are forwarded to
the port.
11.
Click the
Apply
button.
Your settings are saved.
Use the ProSAFE Plus Utility to Customize IGMP Snooping
By default, IGMP snooping is enabled. You can customize the settings for your network.
To customize IGMP snooping:
1.
Connect your computer to the same network as the switch.
You can use a WiFi or wired network connection, or connect directly to a switch that is
off-network using an Ethernet cable.
2.
Double-click the
ProSAFE Plus Utility
icon.
The Switch Selection page displays a list of Web Managed (Plus) switches that it
discovers on the local network.
3.
Select the switch.
If you do not see the switch, click the
REFRESH
button.
4.
Click the
APPLY
button.
You are asked to enter the password for the switch.