IGMP/MLD timers are maintained under the following hierarchy:
IPv4:
config>router>igmp
config>service>vprn>igmp
IPv6:
config>router>mld
config>service>vprn>mld
The IGMP/MLD timers are controlled on a per routing instance (VRF or GRT) level.
The timer values are used to:
determine the interval at which queries are transmitted (query-interval)
determine the amount of time after which a join times out
However, the timers can be different for hosts and redirected interface in case that redirection between VRFs is enabled.