As packets arrive, they are filtered by their type, source address, destination address, and port information contained in each packet.

当信息包到达时，根据每个信息包中包含的类型、源地址、目的地址和端口信息来过滤它们。

youdao

In this case, you can see the raw Ethernet, IP, and TCP packet data, including the source and destination host information and packet options.

在这个示例中，您可以看到原始以太网、IP和TCP数据包，包括源、目标主机的信息以及数据包选项。

youdao

The output here specifies that the Ethernet packet contains IP data, specifies the overall packet size and time, and the destination and source Ethernet addresses for the packet.

这里的输出表明 Ethernet 数据包包含了 IP 数据、全部数据包大小和时间，以及数据包的目标和来源地址。

youdao

Every packet contains the address of its destination and is individually routed through the network.

ECONOMIST: Internet telephony

Born as an IPS solution NetASQ rapidly leveraged their ability to do deep packet inspection, (or, as IDC terms it, complete content inspection) to apply policies based not just on source-destination-port, but on content of assembled packet streams.

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When a packet is received the router reads its intended destination, looks it up in a big table and forwards it to the next router.

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