The link light blinking orange on a Cisco router indicates a duplex mismatch error. In telecommunication, a duplex communication system refers to point-to-point communication and there are two types, namely full-duplex and half-duplex. In the half-duplex communication, only a single port can send or receive data at a time. On the other hand, in full-duplex, all nodes can send and receive data simultaneously. Continue reading this page to fix the issue Cisco router link light blinking orange.
To fix the blinking orange link light on your Cisco router, follow the steps mentioned below.