This read-write value lets an administrator configure how many startup General Queries the switch's querier sends, spaced by the startup interval, when it first becomes active on this VLAN. An administrator increases this on a VLAN where quick, thorough initial discovery of multicast listeners matters more than minimizing query traffic. For example, raising rlIgmpMldSnoopVlanAdminStartupQueryCount makes the switch poll for listeners more times right after startup, at the cost of slightly more control-plane traffic during that window.