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IGMP means Internet Group Management Protocol. This protocol is used to establish and maintain multicast group membership between IP host and its directly adjacent multicast routers, but does not include the dissemination and maintenance of group membership information between multicast routers. This part of the work is completed by each group of broadcast routing protocols. All hosts participating in multicast must implement IGMP.2016年夏，在法国长大的华裔，美食评论家，美食杂志资深编辑林静芸，来上海探访美食和展开寻根之旅。此时，林家老宅已经被改造为一栋餐厅，餐厅中挂满了珍贵的旧上海报纸和旧物，记载了当年的故事。林静芸无意间找出一本日记，打开翻看，里面讲述了一个叫天婴的女孩跌宕起伏的爱情传奇。20年代末的大上海，洪家的帮派、林家的财阀、许家的警局三足鼎立，雄踞上海滩，平静之中，暗流涌动。戈登拉姆齐与国家地理频道合作的六集美食纪录片《戈登拉姆齐：美食秘境》(Gordon Ramsay: Uncharted)正式定档，戈登拉姆齐来到阿拉斯加、老挝、摩洛哥、新西兰、夏威夷、秘鲁等国进行美食探寻，于7月21日播出　　强凭深谙女人心理，其佣金甚至比公司高层还要高，但讽刺的是他一直忘不了初恋女友戴梦妮(刘嘉玲 饰)。戴是个失意作家，每次创作都恋爱，小说完成便失恋，每次失恋都找强。　For example, the above Liezi, Xiao Ming and Xiao Hong do not need to visit Taobao every day to see if the shoes have arrived. At the right time, when the publisher (seller) arrives, they will notify the subscriber (Xiao Hong, Xiao Ming and others).Return num1;It is almost impossible to understand using a chip without looking at its data sheet.