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Configure Switching
164
Insight Managed 28-Port and 52-Port Gigabit Ethernet Smart Cloud Switches
nodes. MLD is derived from IGMP; MLD version 1 (MLDv1) is equivalent to IGMPv2 and MLD
version 2 (MLDv2) is equivalent to IGMPv3. MLD is a subprotocol of Internet Control
Message Protocol version 6 (ICMPv6), and MLD messages are a subset of ICMPv6
messages, identified in IPv6 packets by a preceding Next Header value of 58.
The switch can snoop on both MLDv1 and MLDv2 protocol packets and bridge IPv6 multicast
data based on destination IPv6 Multicast MAC Addresses. The switch can be configured to
perform MLD snooping and IGMP snooping simultaneously.
In addition to building and maintaining lists of multicast group memberships, the MLD
snooping switch also maintains a list of multicast routers. Multicast packets are forwarded on
ports to which multicast routers are connected. With MLD snooping, only one querier can be
active in the network. All other routers in the network are suppressed and are not detectable
by the switch. If a query is not received on an interface within a specified period, the interface
is removed from the list of interfaces to which multicast routers are attached. However, by
default, the multicast router expiration time is zero, that is, the multicast router does not
expire.
A statically configured router that is connected to an interface or VLAN on the switch is
automatically added to the list with learned multicast routers. The interface must be active or
must be both active and a member of the VLAN.
Enable MLD Snooping
You can enable MLD snooping.
To enable MLD snooping:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is off-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser, enter the IP address of the switch.
If you do not know the IP address of the switch, see Access the Switch on page 13.
The login window opens.
4. Enter the switch’s password in the password field.
The default password is password. If you added the switch to a network on the Insight
app before and you did not yet change the password through the local browser interface,
enter your Insight network password.
The System Information page displays.
5. Select Switching> Multicast > MLD Snooping > Configuration.
The MLD Snooping Configuration page displays.
6. Select the MLD Snooping Admin Mode Enable radio button.
By default, the Enable radio button is selected.
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