MAC 地址范围（M-0C-CD-04-00-01 至01-0C-CD-04-01-FF 通常被用于（ ）报文。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29465' and id < 2399148 and id<>'2399148' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29465' and id > 2399148 and id<>'2399148' order by id asc limit 5