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Fat AP and Cloud AP V200R010C00 Command Reference

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stp mcheck

stp mcheck

Function

The stp mcheck command configures a port to automatically switch from the STP mode back to the RSTP/MSTP mode.

By default, a port does not switch from the STP mode back to the RSTP/MSTP mode.

Format

stp mcheck

Parameters

None

Views

System view, GE interface view, Eth-Trunk interface view, XGE interface view, MultiGE interface view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

If a port of an RSTP/MSTP switching device is directly connected to an STP switching device, the port automatically switches to the STP mode and then sends BPDUs. This ensures that the two switching devices properly communicate with each other. If the STP switching device is powered off, removed, or is configured to run RSTP/MSTP, the port on the RSTP/MSTP switching device cannot switch back to the RSTP/MSTP mode. As a result, the RSTP/MSTP device cannot communicate with other RSTP/MSTP switching devices.

The stp mcheck command can be used to address this problem. After this command is run on a port, the port will automatically switch from the STP mode back to the RSTP/MSTP mode.

Precautions

Running the stp mcheck command in the system view configures all ports on the current switching device to automatically switch back to the RSTP/MSTP mode.

Running the stp mcheck command in the interface view configures only the current port to automatically switch back to the RSTP/MSTP mode.

Example

# Perform MCheck on GE0/0/1 and switch it to the MSTP mode.
<Huawei> system-view
[Huawei] interface gigabitethernet 0/0/1
[Huawei-GigabitEthernet0/0/1] stp mcheck
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Updated: 2019-11-21

Document ID: EDOC1100064352

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