An example of a logical interface is a tunnel interface that is used to send IPv6 packets across an IPv4 network.

逻辑接口的一个示例是用于通过IPv 4网络发送IPv 6数据包的隧道接口。

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IPV6 technology is still in study and has not totally replaced existing IPV4 network yet, the short-term solution, NAT technology, is very important for abating the problem of lacking address.

IPV 6技术尚在研究中且还未完全取代现有的IPV 4网络的情况下，短期解决方案——NAT技术对于缓解目前的地址缺乏问题显得尤为重要。

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And IPV6 technology is still in study and has not totally replaced existing IPV4 network yet, the short-term solution, NAT technology, is very important for abating the problem of lacking address.

在IPV 6技术尚在研究中且还未完全取代现有的IPV 4网络的情况下，短期解决方案——NAT技术对于缓解目前的地址缺乏问题显得尤为重要。

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There are a variety of problems associated with masking IPv4 address space behind network address translation technologies, especially Large Scale NAT (LSN) or Carrier Grade NAT (CGN).

FORBES: IPv6: The Time To Consider Making The Switch Is Now