| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication apparatus capable of appropriately assigning communication bands to a plurality of traffics. SOLUTION: An address teaching means 36 of a relay circuit 34 selects one of either a connection port 33e or a connection port 33f of an Ethernet (R) interface 33 in accordance with a transmission source MAC address of a frame transmitted via a network 5 and a network interface 37 on the basis of a predetermined table and transmits frame from the selected connection port. An Ethernet (R) switch 21 comprises a function for learning correspondence between connection ports and communication destinations, such that the connection port 21e or 21f, namely, a line 31 or 32 is automatically selected in accordance with a communication partner. COPYRIGHT: (C)2008,JPO&INPIT
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