一个ARP请求被发送到所有虚拟以太网,从而更新网络上所有外部交换机和系统上的ARP缓存。
A gratuitous ARP request is sent on all virtual Ethernet adapters to update the ARP caches on all external switches and systems on the network.
这是为了让虚拟以太网设备能够访问物理以太网适配器和外部网络。
This is required in order for the virtual Ethernet devices to access the physical Ethernet adapter and the external network.
不过,网络虚拟化的外部性定义可能是其被使用得最多的一个版本。
The external definition of network virtualization is probably the more used version of the term however.
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