Sughrue Mion, PLLC
Troubleshooting method of looped interface and system provided with troubleshooting function
In a system using a looped interface, a faulty device and a disconnected location respectively causing a link fault are specified. Plural devices 200 are connected to the looped interface 120 and a port bypass circuit 210 detaches the faulty device from the looped interface. A port bypass circuit controller 100 controls port bypass circuits and sequentially detaches a device from the looped interface when a link of the looped interface is disconnected. It is checked whether a loop fault continues or not after the device is detached. The operation is repeated by the number of the devices to acquire the result of the check and a device causing the loop fault is specified based upon the result of the check.
NEC Corporation
H H H
H04L H04L H04L
inventional inventional inventional
Yoshiaki
Mori