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。
The high-number port 46336 shows an outgoing ssh connection and the port (22) that it is connected to on the other end.
编号较大的端口 46336 给出了一个外发 ssh 连接，以及连接到另一端的端口（22）。
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