Whenever Spanning Tree Protocol (STP) topology changes are received on a port, the switch sends triggered queries that mark the peer port as a router port and floods all multicast packets towards this port. You can now configure suppressing IGMP- and MLD-triggered queries when topology changes are received.
Summit X450-G2, X460-G2, X670-G2, X770, and ExtremeSwitching X440-G2, X590, X620, X690, X870 series switches.
configure stpd multicast send-query [on | off]
The following show command displays STP multicast send IGMP or MLD query suppression information:
show stpd {sptd_name | detail}
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