| 摘要 |
A switch according to the present invention is a switch 20a for transmitting an LACP frame to a server 10, another switch 20b transmits another LACP frame to the server 10, the LACP frame and the other LACP frame serve to request link aggregation from the server 10, and a system identifier of the LACP frame is the same as the system identifier of the other LACP frame. A plurality of the bypass ports eth3, eth4 exist. A failed aggregation group identifier oxooBB with which a failed port etho is associated and the port identifier eth3 of a determined bypass port are associated with each other in advance in a bypass port recording unit 212 . Port identifiers of different determined bypass ports are associated with different failed aggregation group identifiers. |
