TVOC-2-240 1SFA664001R1001 ABB 它会继续使用这个地址，那个备用的单元不能激活这个冗余IP地址。以太网介面监视CPU的状态

如果两两个单元中的一-个已经是激活状态并在使用这个冗余的IP地址，它会继续使用这个地址，那个备用的单元不能激活这个冗余IP地址。以太网介面监视CPU的状态。如果以太网介面确认它不能和其它CPU进行通讯了，它会使这个冗余IP地址失效。以太网介面在被通知本CPU不再是激活的CPU的时候也会使这个IP地址失效。如果以太网介面放弃使用冗余IP地址，

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