- Log in to the switch connected to the IPC in local Console port mode or network (for example, STelnet) mode.
- Run the dis interface gig 0/0/4 command to check whether the port negotiation
result is normal.NOTE:
- In the preceding command, 0/0/4 indicates the number of the port on the switch that connects to the IPC. You can set it based on the site requirements.
- Run the dis mac-address command on the switch to display the MAC table. Then, determine the number of the port on the switch that connects to the faulty IPC according to the IPC MAC address.
- Obtain the connection speed and duplex mode of the port between the switch and the IPC through auto negotiation. If the negotiation fails, the switch and the IPC are interconnected with the lowest speed.
- Currently, the IPC port is a 100 Mbit/s electric and optical port. The normal negotiation result should be full duplex mode and 100 Mbit/s connection speed.
Information similar to the following is displayed:
[Quidway]dis interface g0/0/4 GigabitEthernet0/0/4 current state : UP Line protocol current state : UP Description: Switch Port, Link-type : access(negotiated), PVID : 1, TPID : 8100(Hex), The Maximum Frame Length is 9216 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is bc9c-31c0-90e5 Current system time: 2016-05-31 04:22 Port Mode: COMMON COPPERSpeed : 100, Loopback: NONEDuplex: FULL, Negotiation: ENABLEMdi : AUTO, Flow-control: DISABLE
Check whether Speed is 100 and Duplex is FULL.
- If no, run the undo negotiation auto,
speed 100, and dup
full commands to forcibly set Speed to 100 and Duplex to FULL.
Check whether the fault is rectified. If yes, no further action is required. If no, go to the next step.
- If yes, go to the next step.
Checking Whether the Switch Port Status Is Normal
Created: Jan 3, 2019 12:27:33
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