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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
negotiation auto

negotiation auto

Function

The negotiation auto command configures an Ethernet interface to work in auto-negotiation mode.

The undo negotiation auto command configures an Ethernet interface to work in non-auto-negotiation mode.

By default, an Ethernet interface works in auto-negotiation mode.

Format

negotiation auto

undo negotiation auto

Parameters

None

Views

GE interface view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

Earlier Ethernet worked in 10M half-duplex mode and required mechanisms such as Carrier Sense Multiple Access (CSMA)/Collision Detection (CD) to ensure system stability. As Ethernet technology develops, full-duplex Ethernet and 100 Mbit/s Ethernet emerge. This greatly improves Ethernet performance. Auto-negotiation technology allows new Ethernet to be compatible with earlier Ethernet. In auto-negotiation mode, interfaces on both ends of a link negotiate their operating parameters, including the duplex mode and rate. If the negotiation succeeds, the two interfaces work at the same operating parameters.

You can configure an interface to work in auto-negotiation mode only when interfaces on both ends support the auto-negotiation mode.
  • If interfaces on both ends support auto-negotiation and are required to work in auto-negotiation mode, run the negotiation auto command.
  • If one of the two interfaces does not support auto-negotiation or is not required to work in auto-negotiation mode, run the undo negotiation auto command.

Precautions

  • For details about the auto-negotiation configuration supported by Ethernet interfaces, see Overview of Ethernet Interfaces in the Configuration Guide-Overview of Ethernet Interfaces.

  • By default, GE interfaces do not support flow control auto-negotiation.

Example

# Configure GE0/0/1 to work in non-auto negotiation mode.
<Huawei> system-view
[Huawei] interface gigabitethernet 0/0/1
[Huawei-GigabitEthernet0/0/1] undo negotiation auto
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Updated: 2019-11-21

Document ID: EDOC1100064352

Views: 206034

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