| 摘要 |
A communication device includes a controller configured to determine whether a plurality of communication lines coupled to the communication device are available, assign logical communication line numbers to communication lines selected from the communication lines included in the transmission path, which are determined to be available in accordance with results of the determination in ascending order or descending order of the communication line numbers, and perform a process of establishing a link of the transmission path in accordance with the assigned logical communication line numbers.
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