Then using the "arp -s" command, you can add static ARP entries for all your known devices.
然后使用 "arp-s"命令，你可以为你所知道的设备添加静态ARP映射。
One submits the method of ID authentication based on proxy ARP.
有人提出了基于代理 ARP的ID认证方法。
Playing staccato slowly when intonating the arp pattern will make you prepare the string as fast as possible.
演奏琶音时缓慢演奏断音，将使您尽可能快地准备弦乐。
If your host has communicated successfully with another host, it's likely that there is an entry in the ARP table.
如果您的主机曾经与另一个主机成功地通信，那么在arp表中很可能有相应的条目。
If you see a high purge count, increase the size of the ARP table.
如果您发现较高的清除计数，那么可以增大arp表的大小。
That's because every device you add to your network has to be manually added to your ARP script or entered into each machine's ARP table.
那是因为你每加入一台设备到你的网络中都需要你手动地编写ARP脚本或输入每台设备的ARP映射表。
ARP provides no way to verify that the responding device is really who it says it is.
ARP没有提供任何方法去认证响应的设备就真是如它报文里所说的那台。
In fact, many operating systems implement ARP so trustingly that devices that have not made an ARP request still accept ARP replies from other devices.
实际上，许多操作系统实现ARP时都是尽管没有发出任何ARP请求但仍然接受来自其他设备的ARP响应。
That said, hackers have been known to gain local access to networks. Good network administrators should be aware of ARP Cache Poisoning techniques.
那就是说，黑客会被知道他接入了这个网络。优秀的网络管理员应该能意识到ARP缓存中的技术。
Your computer keeps this table for efficiency so that it doesn't have to keep broadcasting ARP requests to computers it has already queried.
你的计算机为了效率而维护这个映射表，这样它就不用不断广播ARP请求去询问它已经询问过的计算机了。
But you can help prevent ARP attacks using the following techniques.
但是你可以运用以下技术来防止ARP攻击。
"Static" means unchanging; this prevents hackers from adding spoofed ARP entries for devices in your network.
“静态”就是不会变化；这可以防止黑客的欺骗ARP进入你的网络设备中。
However, static ARP entries are hard to maintain; impossible in large networks.
然而，静态ARP很难被维护；在大型网络中更是不可能。
One form of hacker attack even involves feeding bad data to ARP tables, a practice known as ARP poisoning.
黑客攻击的一种形式就包括修改恶意数据到ARP映射缓存，即所谓的ARP中毒。
All network devices have an ARP table, a short-term memory of all the IP addresses and MAC addresses the device has already matched together.
所有的网络设备都有一个ARP映射表，就是内存里的一小段存储着目前该设备已经匹配的IP地址和MAC地址对。
If you manage a small network, you might try using static IP addresses and static ARP tables.
如果你管理着一个小型网络，你或许可以试试使用静态ip地址和静态ARP映射表。
Think of ARP as network roll call.
把ARP想像成网络中的点名。
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.
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。
Know why my short description of ARP doesn't mention any sort of authentication method?
知道为什么在我对ARP的简短描述中没有提到任何形式的认证方法吗？
Good network administrators should be aware of ARP Cache Poisoning techniques.
优秀的网络管理员应该能意识到ARP缓存中的技术。
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。
It usually involves an ARP broadcast (address resolution protocol) that informs the network infrastructure that an IP address has moved.
这通常包括ARP广播(地址解析协议)，通知网络基础架构一个IP地址已经发生了移动。
Here's an example of a normal ARP communication.
这里是一次常规的ARP通信的例子。
ARP is basically a form of networking roll call.
ARP基本上就是一种网络上的点名。
Because in ARP, there is none.
答案是，ARP根本就没有。
However, the ARP cache sometimes becomes a problem.
然而，ARP映射缓存有时却成为一个问题。
MAC Flooding is an ARP Cache Poisoning technique aimed at network switches.
MAC洪泛是一种旨在网络交换机的ARP缓存中毒技术。
When many clients are connected to the system, you might want to tune the ARP cache.
当有许多客户端连接到系统时，您可能希望优化ARP 缓存。
However, sometimes you encounter problems where understanding MAC addresses and the ARP protocol becomes helpful in troubleshooting network issues.
但是当你遇到需要知道MAC地址和ARP协议的问题时将能很好地帮助你解决麻烦的网络问题。
The ARP table ensures that the device doesn't have to repeat ARP Requests for devices it has already communicated with.
ARP映射表确保该设备不会向它已经通讯过的设备重复发送ARP请求。
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