| 摘要 |
In an apparatus that can be connected to an external apparatus to which multiple addresses are allocated over a network, a packet including certain identification information is transmitted to the external apparatus by using a first address as a destination. If a packet that is received includes the certain identification information, a source address of the received packet is extracted. If the extracted source address is a second address different from the first address, the second address is used as the destination in the subsequent transmission of a packet to the external apparatus.
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