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。
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。
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。
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。
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。
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。
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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