User's Manual

Table Of Contents
Users Manual of SGS-5240 Series Managed Switch
122
MLD Snooping Version The protocol version used for compatibility with other devices on the network. This is the MLD
version the switch uses to send snooping reports.
(Range: 1-2; Default: 2)
Unknown Multicast Mode The action for dealing with unknown multicast packets. Options include:
Flood Floods any received IPv6 multicast packets that have not been requested by a host to all ports in the VLAN.
To Router Port Forwards any received IPv6 multicast packets that have not been requested by a host to ports that are
connected to a detected multicast router.
(This is the default action.)
4.2.13.2 Immediate Leave Status
Switch Management> MLD Snooping > Immediate Leave Status page is used to configure Immediate Leave status for a VLAN.
VLAN A VLAN identification number. (Range: 1-4094)
Immediate Leave Status Immediately deletes a member port of an IPv6 multicast service when a leave packet is received
at that port and immediate leave is enabled for the parent VLAN. (Default: Disabled) If MLD immediate-leave is not used, a
multicast router (or querier) will send a group-specific query message when an MLD group leave message is received. The
router/querier stops forwarding traffic for that group only if no host replies to the query within the specified timeout period.
If MLD immediate-leave is enabled, the switch assumes that only one host is connected to the interface. Therefore, immediate
leave should only be enabled on an interface if it is connected to only one MLD-enabled device, either a service host or a
neighbor running MLD snooping.