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你好，我最近在用LwIP在开发一个有发送/接收组播消息功能的应用，发送组播消息正常，但是接收不正常 有人说要确认网卡是否有接收的功能，所以我想问问这个PHY是否有接收组播消息的功能。 求解答 谢谢！！
应该可以。。我看到有人这么做了
http://blog.csdn.net/xueyushenzhou/article/details/51381466
参考这个。
