MLD Querier

MLD Querier provides the corresponding function for IPv6 multicast. It sends MLD queries and lets you test how equipment tracks IPv6 multicast groups and members.

Table 205 — MLD Querier Parameters

Name	Description	Value
Instance ID	MLD Querier identifier	Specify a number and bind it to an IPv6 interface
Version	MLD version	Usually 2
Query interval	Interval between MLD queries	125 seconds by default
Query response interval	Maximum group-member response time	In milliseconds; 10000 = 10 seconds
Robustness	Message-loss robustness factor	2 by default
Last member query interval	Query interval after a member leaves	In milliseconds; 1000 = 1 second
Last member query count	Number of repeated queries	2 by default
Teardown time	Teardown delay after the task stops	0 means no additional delay

MLD is used only in IPv6 segments. Before starting, make sure that the task interface has an IPv6 address or the appropriate IPv6 configuration enabled and that the DUT expects MLD on this link.