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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).
port bridge enable

port bridge enable

Function

The port bridge enable command enables the port bridge function on an interface. The interface then can forward packets whose source and destination MAC addresses are both learned by this interface.

The undo port bridge enable command disables the port bridge function.

By default, the port bridge function is disabled on an interface.

Format

port bridge enable

undo port bridge enable

Parameters

None

Views

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

Default Level

2: Configuration level

Usage Guidelines

By default, an interface does not forward packets whose source and destination MAC addresses are both learned by this interface. When the interface receives such a packet, it discards the packet as an invalid packet.

After the port bridge function is enabled on the interface, the interface forwards such a packet if the destination MAC address of the packet is in the MAC address table.

The port bridge function is used in the following scenarios:

  • The device connects to devices that do not support Layer 2 forwarding. When users connected to these devices need to send packets, the packets are directly sent to the device and forwarded by the device. These packets have the same source and destination MAC address; therefore, you need to enable port bridge to forward packets with the same source and destination MAC address.
  • The device is used as an access device in a data center and is connected to servers. Each server is configured with multiple virtual machines. The virtual machines need to transmit data to each other. If data between virtual machines is transmitted on the server, the data transmission rate and server performance may be affected. To improve the data transmission rate and server performance, enable the port bridge function on the interfaces connected to the servers so that the device forwards data packets between the virtual machines.

Example

# Enable the port bridge function on GigabitEthernet0/0/1.

<Huawei> system-view
[Huawei] interface GigabitEthernet 0/0/1
[Huawei-GigabitEthernet0/0/1] port bridge enable
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Updated: 2019-11-21

Document ID: EDOC1100064352

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