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.
对于受内部限制，不能通过HTTP代理连接到外部世界和公共网络上的设备的计算机，可以使用这种技术来在那些计算机之间构建一个虚拟网络。
You can use this to build a virtual network between computers that are limited internally to connect to the outside world through an HTTP proxy, through to devices outside the public network.
这些小型的、易于连接的智能路由器解决方案设计旨在为平面网络提供简便、安全和价格适中的外部网友好的虚拟私有网络(VPN)。
These small, easy-to-connect intelligent router solutions are engineered to offer a simple, secure, and affordable extranet-friendly Virtual Private network (VPN) for flat networks.
在编辑虚拟映像内部的网络信息之前，应修改虚拟映像外部的网络配置文件。
Before editing the network information inside the virtual image, the network configuration files outside the virtual image should be modified.
然而，现在的解决方案需要在生产环境中部署和访问限制到外部数据库通过建立一个虚拟的网络。
However, the solution now needs to be deployed in a production environment and access to the external database is to be restricted by setting up a Virtual Network.
构建虚拟企业必须具备一定的内外部条件和运行网络平台。
However, building virtual enterprises must have certain conditions of exterior and interior and a network for operation.
构建虚拟企业必须具备一定的内外部条件和运行网络平台。
However, building virtual enterprises must have certain conditions of exterior and interior and a network for operation.
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