Switching
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XS728T ProSAFE 28-Port 10-Gigabit L2+ Smart Switch
Configuration
In IPv4, Layer 2 switches can use IGMP snooping to limit the flooding of multicast traffic by
dynamically configuring Layer 2 interfaces so that multicast traffic is forwarded to only those
interfaces associated with IP multicast address. In IPv6, MLD snooping performs a similar
function. With MLD snooping, IPv6 Multicast data is selectively forwarded to a list of ports
that want to receive the data, instead of being flooded to all ports in a VLAN. This list is
constructed by snooping IPv6 multicast control packets.
To configure MLD snooping:
1. Select Switching> Multicast > MLD Snooping > MLD Snooping Configuration.
2. Next to MLD Snooping Admin Mode, enable or disable the administrative mode for MLD
Snooping for the switch.
The default is disabled.
The VLAN IDs Enabled For MLD Snooping section displays VLAN IDs enabled for MLD
snooping.
3. Click Apply to send the updated configuration to the switch.
Configuration changes take place immediately.
MLD VLAN Configuration
MLD snooping can be enabled on a per-VLAN basis. It is necessary to keep track of the
interfaces that are participating in a VLAN in order to apply or remove configurations.
To configure the MLD VLAN:
1. Select Switching> Multicast > MLD Snooping > MLD VLAN Configuration.
2. In the VLAN ID field, select a VLAN ID from a drop down menu listing all VLANs configured
on the switch.
3. In the Admin Mode field, enable MLD Snooping for the specified VLAN ID.
4. In the Fast Leave Admin Mode field, enable or disable the MLD Snooping Fast Leave
mode for the specified VLAN ID.
5. In the Group Membership Interval field, enter the value for the group membership interval
of MLD Snooping for the specified VLAN ID.
The valid range is 4-3620 seconds. The default value is 260.
6. In the Maximum Response Time field, set the value for maximum response time of MLD
snooping for the specified VLAN ID. The Maximum Response Time value must be less than
Group Membership Interval value.
The valid range is 1–20 seconds. The default value is 10.
7. The Multicast Router Expiry Time field is a calculated field, displaying the value for
multicast router expiry time of MLD snooping for the specified VLAN ID. Multicast Router
Expiry Time is calculated as Group Membership Interval field value- Maximum
Response Time field value.
8. Click Add to enable MLD Snooping on the specified VLAN.
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