定义虚拟以太网设备(HMC)。
定义虚拟以太网设备(VIO)。
方法2：集成虚拟以太网(IVE)。
图5展示的是添加了两个虚拟以太网lan的示例。
Figure 5 depicts the example with the addition of a two virtual Ethernet LANs.
步骤3：把虚拟以太网ID分配给物理适配器
Step 3: Assign the virtual Ethernet ID to a physical adapter
建立和设置虚拟以太网不需要任何专门的硬件或软件。
The enablement and setup of virtual Ethernet does not require any special hardware or software.
VIO服务器的第二个虚拟以太网适配器的屏幕截图看上去完全相同。
The screen shot of the second virtual Ethernet adapter for the VIO Servers should look the same.
告诉VIO客户机LPAR应该使用哪些虚拟以太网适配器进行通信。
The VIO client LPARs are told which virtual Ethernet adapters they should use for their communication.
如果您回想一下，您以前应该尝试过更改使用虚拟以太网配置的适配器。
If you recall, you tried to change an adapter earlier that was configured with virtual Ethernet.
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.
图4显示这个LPAR配置了虚拟以太网和虚拟scs i适配器。
Figure 4 shows that the LPAR is configured with virtual Ethernet and virtual SCSI adapters.
在创建VIO服务器时，分配物理以太网适配器和虚拟以太网适配器。
When VIO servers are created, they are assigned both physical Ethernet adapters and virtual Ethernet adapters.
必须将每个VIO服务器上的第二个虚拟以太网适配器配置为非干线适配器。
The second virtual Ethernet adapter on each of the VIO Servers must be configured as a non-trunk adapter.
虚拟以太网提供了与1Gigabit以太网适配器大致相同的功能。
Virtual Ethernet provides roughly the same function as a 1 Gigabit Ethernet adapter.
在HMC中配置VIO服务器的概要时，在每个服务器上创建两个虚拟以太网适配器。
When configuring the profiles of the VIO Servers on the HMC, create two virtual Ethernet adapters on each server.
不过，在大部分情况下，您需要连接到虚拟以太网的分区也能够与物理网络进行通信。
In most cases, however, you will want to allow partitions connected to a virtual Ethernet to also communicate with the physical network.
每个分区可以有最多65,534个虚拟以太网适配器连接到虚拟交换机上。
Each partition can have up to 65,534 virtual Ethernet adapters connected to the virtual switch.
这是虚拟以太网的一个非常典型的应用，因为通信速度非常快，而且不需要任何另外的硬件。
This is a very typical use of virtual Ethernet, because the communication is very fast and no additional hardware is required.
然后，通过sea映射告诉VIO客户机LPAR应该访问的虚拟以太网适配器和VLAN编号。
Then, the VIO client LPARs are told the virtual Ethernet adapters and VLAN Numbers they should access through an SEA mapping.
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.
您在VIOServer上定义虚拟以太网和磁盘设备，然后使它们对系统上的其他lpar可用。
You define virtual Ethernet and disk devices on the VIO Server and then make them available to the other LPARs on the system.
但这需要至少有一个分区既拥有物理以太网适配器，又拥有连接到其他分区的虚拟以太网适配器。
That requires that at least one partition have both a physical Ethernet adapter, as well as a virtual Ethernet adapter that is connected to the other partitions.
用lsdev—deventx—attr命令检查虚拟以太网适配器的属性，确认适配器的映射关系。
Check the attributes of the virtual Ethernet adapters with the lsdev -dev entX -attr command to confirm which adapters are which.
TAP驱动程序使访客操作系统能够将原始以太网帧写到一个虚拟以太网设备(用户空间的扩展)。
The TAP driver allows the guest operating system to read or write raw Ethernet frames to a virtual Ethernet device (extended to user space).
虚拟I/O服务器将逻辑 I/O设备分配给分区，如虚拟SCSI磁盘和虚拟以太网。
Virtual I/O Server hosts logical I/O devices to the partitions, such as virtual SCSI disks and virtual Ethernet.
虚拟以太网：虚拟以太网支持在同一个大型机上的逻辑分区之间进行基于内部分区和基于IP的通信。
Virtual Ethernet: Virtual Ethernet allows for inter-partition - and IP-based communications between logical partitions on the same frame.
您还应该在每个VIO服务器上设置第三个虚拟以太网适配器，使用干线适配器的VirtualLANID。
You should also set up a third virtual Ethernet adapter on each VIO Server using the virtual LAN ID of the trunk adapter.
在这个菜单上，可以看到前面创建的虚拟以太网适配器（主VLAN 为 383，辅 VLAN 为 373）。
From this menu you can see the virtual Ethernet adapter we created previously with the 383 primary VLAN and the 373 additional VLAN.
把物理适配器或LNAGG设备映射到IVM上的虚拟以太网id之后，需要为每个逻辑分区创建虚拟适配器。
Once a physical adapter or LNAGG device has been mapped to a virtual Ethernet ID on the IVM, then the virtual adapter needs to be created for each logical partition.
当您为某个分区启用了一个具体的虚拟以太网之后，在那个分区中就会创建出一个名为ethxx的网络设备。
After you enable a specific virtual Ethernet for a partition, a network device named ethXX is created in the partition.
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