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edited on: ‎09-16-2013 ‎01:19 PM

交换机根据组播组信息转发输入组播流量。组播组信息来源于接收到的 IGMP/MLD报文，并存储在组播转发数据库（MFDB）中。当从已配置用来转发组播流的VLAN 中接收到一个帧时，该帧被转发至 MAC 组地址的所有成员端口。“MAC Group Address”页面用于创建 MAC 组地址和为 MAC 组地址分配端口。

参考资料：

Sx500 系列可堆叠交换机组播 MAC 组地址的配置