Execute the command “combo enable fiber” in interface mode to switch to the optical interface; on the contrary, “undo combo enable fiber” switches to the default electrical interface state. Enter system view, return user view with return command. A high-bandwidth interface on the device can be configured as multiple low-bandwidth interfaces or directly used based on the interface type on. Take the Huawei AR5710S-S8T2X router as an example to understand how to switch the optical and electrical modes of the Combo interface of the Huawei router. Figure 1 Schematic diagram of an optical module access device 1. GE Combo Interface By default, the Combo interface operates in the electrical. Solution: The stacking method and steps for Huawei S5700-28X-LI-AC Switch are as follows: The connection topology for service port stacking includes chain and ring connections. Configure the first two 10G optical ports of each S5700-28X-LI-AC switch as logical port 1, and the last two 10GE optical. I have an optic cable that is plugged into the internet providers provided router, Huawei EchoLife HG8145V5. Use the following AAA commands to create a new user. For example: Replace USERNAME with the new username, set the password, define service-type (telnet, ssh, etc.