Tip: Take extra care for drivers that include features like TTL (Time to Live), such as connection-oriented networking device drivers.
提示：对于那些具有 TTL（生存时间）的驱动程序要格外注意，例如面向连接的网络设备驱动程序。
Computers cache the name-to-IP mapping for a certain period of time, known as the time to live (TTL), to reduce overall response time.
计算机将这个名称缓存到IP映射一段时间，这个时间段称为time to live (ttl)，以减少总响应时间。
For instance, the inventory response for the parts from an automotive dealership includes a Time-To-Live (TTL) element.
比方说，汽车零售商的零件目录响应中包含一个Time - To - Live (ttl)元素。
The default map does not have any time-to-live (TTL) expiration.
该默认映射没有任何生存时间（Time-To-Live，TTL）过期。
If you receive a packet that you suspect is spoofed, try to determine the real Time-to-Live (TTL) of the packet and compare it to the TTL of the packet you received.
如果收到一个可疑的数据包，要尝试判断它真正的Time - to - Live (ttl)，并将其与所接收包的TTL进行比较。
And, the time to live or TTL, a value which determines how long the packet lives on the wire before it's discarded.
还要计算数据包在网上存留的时间(ttl)。TTL的值表明数据包在被丢弃之前，在线路中存活的时间。
In the Layer 2 header, there is no Time To Live (TTL) value.
在第2层的表头里并没有存活时间(ttl)的设定值。
Sets the IP_TTL socket option. TTL stands for "Time to Live," but in this context it specifies the number of IP hops that a packet is allowed to go through.
设置套接字的IP _TTL选项，TTL表示“存活时间”，但是在这个上下文环境中，特指一个数据包允许经过的IP跳数。
Sets the IP_TTL socket option. TTL stands for "Time to Live," but in this context it specifies the number of IP hops that a packet is allowed to go through.
设置套接字的IP _TTL选项，TTL表示“存活时间”，但是在这个上下文环境中，特指一个数据包允许经过的IP跳数。
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