This means that you can verify the source of the information by using the MAC address of the sender (and the recipient, if necessary), providing an additional level of security.
这意味着您可以通过发送者（和接收者，如果必要的话）的MAC地址来验证信息的来源，额外提供了一级安全性。
In the case of ESX, the virtual infrastructure client software chooses this MAC address, so it can be left blank.
对于ESX，虚拟基础结构客户端软件将会选择这个mac地址，因此可以将其保留为空。
MAC address of the network adaptor (optional).
网络适配器的MAC地址(可选)。
NICs and MACs are important pieces of the answer, but your network must learn to pair a MAC address with the IP address for the same machine.
网卡和MAC地址只是这个答案中重要的部分，你的网络还必须知道如何匹配同一台设备的MAC地址和其IP地址。
Map MAC address of different nodes to IP addresses.
将不同节点的MAC地址映射为IP地址。
Each virtual machine must have a unique MAC address, and failure to provide a unique MAC address to each clone can cause network problems.
每个虚拟机都必须具有唯一的mac地址，如果不能向每个克隆提供唯一的mac地址，则会导致网络问题。
A MAC address is a unique character string, and since it identifies a specific physical device — one individual NIC — the MAC address, by convention, never changes for the life of the NIC.
一个MAC地址是一个独一无二的字符串。由于它标识一个独特的物理设备——一个唯一的网卡——MAC地址，按照约定，在网卡中将永不会改变。
The other is the MAC address, which typically does not change.
另一个是MAC地址，一个通常不会改变的地址。
Finally, the scripts modify the configuration file of the new virtual machine with the amount of memory, number of CPUs, and the MAC address that are specified on the command line.
最后，这些脚本将修改新的虚拟机的配置文件，包括内存总量、CPU的数量，以及命令行中指定的mac地址。
The distinctive address that identifies a NIC is called the Media Access Control (MAC) address.
这个识别网卡的独特地址就是所谓的媒体访问控制(MAC)地址。
The first line sets the MAC address for the interface, using the specified MTU.
第一行通过使用指定的MTU设置接口的MAC地址。
The switch looks up the destination MAC address in its switching table, determines the outgoing interface port, and forwards the frame on to its destination through the designated switch port.
交换机在其交换表中查找目标MAC地址，确定交换机出端口，通过该端口将帧转发至目的地。
ARP USES a similar technique to associate an IP address to the MAC address.
ARP运用了相似的技术来将IP地址和MAC地址联系起来。
If not specified on the command line, a random MAC address is created.
如果没有在命令行中指定该地址，那么将创建一个随机的mac地址。
This feature prevents hackers from changing the MAC address of their machine or from trying to map more than one MAC address to their machine.
这个功能会阻止黑客改变他机器的MAC地址或试图映射多个MAC地址到他的机器上。
Some switches generate a route table that includes the IP address of the host and the MAC address of the adapter that owns the IP address.
有些交换机生成一个路由表，其中包含了主机的IP地址和IP地址所在配置器的mac地址。
The hacker begins by sending a malicious ARP "reply" (for which there was no previous request) to your router, associating his computer's MAC address with 192.168.0.12 (see Diagram 3).
黑客先发送一个恶意的ARP “响应” (因为在此之前根本没有请求)到你的路由器，将他的计算机的MAC地址和192.168.0.12绑定 (如图3).
Because your NIC's MAC address is permanent, it's often referred to as the "real," or physical, address of a computer.
因为你的网卡MAC地址是不变的，它常常被认为是“真”的，物理的，计算机地址。
Each byte in a MAC address is separated by either a colon (:) or a hyphen (-).
MAC地址里每个字节都用冒号(：)或连字号(-)分开。
A hacker can easily associate an operationally significant IP address to a false MAC address.
一个黑客可以只做简单的操作就将一个重要的IP地址和一个错误的MAC地址绑定。
It will also modify the MAC address of the new guest as well as the UUID.
它还将修改新客户机的MAC地址和UUID。
To differentiate virtual private networks (VPNs), the Mac address of the first router the client connects to is used as a distinguishing factor.
为区分虚拟专用网(VPN)，将使用客户机第一次连接的第一个路由器的Mac地址来作为区分因素。
It reformats the output of the Wireless Tools' iwlist and adds the MAC address so each client's status is summarized in one line. Its output looks like this.
它会对WirelessTools的iwlist的输出结果重新进行格式化，并添加MAC地址的信息，这样就可以在每一行中对每台客户机的状态进行总结。
Two NICs never have the same MAC address (unless some manufacturer screws up royally [which has happened]).
任何两块网卡都不会有相同的MAC地址(除非人为地改变)。
Now Jessica's computer knows the printer's MAC address.
现在Jessica的计算机知道了这台打印机的MAC地址。
Similar authentication techniques use the MAC address of the remote host's network card, or any sort of unique ID associated with that machine (such as a Pentium III processor ID, if available).
类似的认证技术使用远程主机网卡的mac地址，或者与该机器关联的任何类型的唯一标识(例如，如果可用，PentiumIII处理器标识)。
This entire process we've just described is what geeks mean when they say "it's ARPing for a MAC address."
我们以上所描述的整个过程就是极客们所说的“去arp一个MAC地址”。
For example, taking the OUI in the MAC address shown above, you can look up 00:90:7f on IEEE's OUI registry and find that 00:90:7f indicates a NIC from WatchGuard.
例如，找到上面提到的MAC地址的OUI，你可以再IEEE的OUI注册表中查找00：9 0：7 E，最后你将发现00：9 0：7 E代表来自WatchGuard的网卡。
You can obtain the MAC address by using another form of the lpar_netboot command.
可以通过使用另一种形式的lpar_netboot命令获取mac地址。
The script automatically obtains an lpar's MAC address, calls the DHCP addsystem script to configure and restart the DHCP server, and calls the lpar_netboot command to install the lpar.
该脚本自动获取lpar的mac地址，接着调用DHCPaddsystem脚本来配置并重启DHCP服务器，然后调用lpar_netboot命令安装lpar。
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