Cause why the Ethernet working mode of the TOA board cannot be set to 1000 M and auto-negotiation mode

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The Ethernet working mode of the TOA board is valid only when the service type is GE(TTT-GMP). It can be set if the service type is set to GE(GFP-T).

Other related questions:
Method used to set the Ethernet working mode of a GE port on the TOA board
Ethernet Working Mode can be set to Auto-Negotiation or 1000M Full-Duplex. The default value is 1000M Full-Duplex. Auto-Negotiation can automatically determine the optimal working modes of the interconnected ports. This mode facilitates maintenance. Ethernet Working Mode is valid only when the service type is set to GE (TTT-GMP). The Ethernet working mode must be consistent with the setting for upstream services. Two ports that are mutually protected in active-standby mode must have the same Ethernet Working Mode setting.

Can two interface communicate with each other if one interface works in auto-negotiation mode and the other works in forcible mode
This configuration is not recommended. When this configuration is used, the interface working in auto-negotiation mode changes to half-duplex state according to the auto-negotiation requirements. This reduces the network utilization efficiency and may cause other problems. It is strongly recommended that the local and remote interfaces work in the same mode. That is, they both work in auto-negotiation mode or forcible mode.

Rates on all interfaces working in auto-negotiation mode are different on a WLAN device
When all interfaces of a WLAN device work in auto-negotiation mode, the negotiated rate is the maximum rate supported by the interfaces. However, an interface may negotiate a rate of 100 Mbit/s with a peer interface, while other interfaces negotiate a rate of 1000 Mbit/s with peer interfaces. The possible cause is that the Ethernet cable connecting the GE interfaces on the local and peer devices cannot support a high working rate due to deterioration or RJ-45 connector faults. Therefore, the negotiated rate can only be 100 Mbit/s or 10 Mbit/s. In this case, replace the Ethernet cable.

Modify attributes of interfaces on the S1728GWR-4P switch
Modify the attributes (including the auto-negotiation mode, manual setting of port rate, full duplex mode, and traffic control) of an interface on an S1728GWR-4P switch using either of the following methods: 1. Port-based configuration: a. Choose Interface > Port > General. b. Select Configure by Port Range from the Action drop-down list box. Configure parameters of interfaces within a range in a batch. c. After completing the configuration, click Apply. The configuration takes effect immediately. To check status of each interface, choose Interface > Port > General and select Show Information from the Action drop-down list box.�?2. Port list based configuration: a. Choose Interface > Port > General. b. Select Configure by Port List from the Action drop-down list box. Configure parameters of each interface. c. After completing the configuration, click Apply. The configuration takes effect immediately. To check status of each interface, choose Interface > Port > General and select Show Information from the Action drop-down list box.

Working mode of the TOA board when ODU0 services are configured on the board
When ODU0 services are configured, the working mode of the TOA board must be set to ODU0 non-convergence mode (Any -> ODU0).

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