Configures last member query interval.
<interface xmlns="urn:brocade.com:mgmt:brocade-interface"> <ethernet> <name>1/5</name> <ip> <igmp-phy-intf-cfg xmlns="urn:brocade.com:mgmt:brocade-igmp"> <igmp> <last-member-query-interval>1500</last-member-query-interval> </igmp> </igmp-phy-intf-cfg> </ip> </ethernet> </interface>