求翻译：当主机欲入某个组时要发送一个IGMP报文，其中组地址字段即该组的组播地址。所有该组播组的当前成员都会收到此报文并得知这个新成员。该局域相连的每个路由器会监听所有IP组播地址，以便获取所有报告是什么意思？

When the host desire into a group to send a igmp packets, which the group address field of the group's multicast address. All of the multicast group members will receive this message and learned that the new members. Connected to each router in the local area will listen on all IP multicast addresse

When a host to a group to be sent when a IGMP message, which the group address field is the group multicast address. All of the current of the multicast group members will receive this message and was informed that the new members. The domain of each of the router will listen all IP multicast addres

When the main engine wants into some group must transmit a IGMP text, in which group of address field namely this group's multicast address.The all this multicast group's current members can receive this text and know this young blood.This confined connected each router can monitor all IP multicast

When a host in a group to send an IGMP message, which the group address field is the set of multicast addresses. All the current members of the multicast group receive the message and was told that a new Member. Each router listens to all of the domain connected to the IP multicast address to obtain

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