Patent ID: 9357407
Filing Date: 2016-05-31
CPC Classification: H04L,H04W

Claim Text:
1. A method for controlling frame transmission and reception, wherein a switching device includes first wireless line terminating means for transmitting and receiving frames via a first wireless line, second wireless line terminating means for transmitting and receiving frames via a second wireless line, first line terminating means for exchanging frames with the first wireless line terminating means, and second line terminating means for exchanging frames with the second wireless line terminating means, the switching device performs a link aggregation with which the first and second wireless lines are treated as one virtual line, the switching device monitoring a state of the first and second wireless lines and instructing one of the first and second wireless line terminating means, in accordance with a redundancy mode of the first and second wireless lines, to exchange copy frames with the other wireless line terminating means and to abandon received frames, the switching device sets, in accordance with a monitoring result of the wireless lines, the first and second line terminating means to each be an active system or a standby system, and the switching device passes frames to be transmitted to the line terminating means operating as the active system.