12-WLAN Advanced Features Configuration Guide

HomeSupportWirelessWX3800X Series Access ControllersConfigure & DeployConfiguration GuidesH3C WX3800X Series Access Controllers Configuration Guides(R1603Pxx)-6W10012-WLAN Advanced Features Configuration Guide
09-WLAN fast forwarding configuration
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Configuring WLAN fast forwarding

About WLAN fast forwarding

WLAN fast forwarding uses both software and hardware to enhance forwarding performance. Software fast forwarding enables an AC to perform concurrent forwarding by using the multi-core CPU and the 5-tuple table. The AC learns the source IP, source port, destination IP, destination port, and protocol during forwarding and uses high-speed buffer technology to save the information in the 5-tuple table.

In hardware fast forwarding, an AC performs software fast forwarding and uses the embedded FPGA chip to perform line-speed forwarding.

Restrictions: Hardware compatibility with WLAN fast forwarding

Hardware series

Model

Product code

Feature compatibility

WX3500X series

·     WX3510X

·     WX3520X

·     WX3540X

·     EWP-WX3510X

·     EWP-WX3520X

·     EWP-WX3540X

No

WX3500X-E series

WX3508X-E

EWP-WX3508X-E

No

Access controller modules

LSEM1WBC120G0

LSEM1WBC120G0

Yes

 

Hardware series

Model

Product code

Feature compatibility

WX3500X-G series

WX3520X-G

EWP-WX3520X-G

No

 

Hardware series

Model

Product code

Feature compatibility

WX3800X series

·     WX3820X

·     WX3840X

·     EWP-WX3820X

·     EWP-WX3840X

No

 

Restrictions and guidelines: WLAN fast forwarding configuration

Only ACs embedded with the FPGA chip support hardware fast forwarding.

Configuring WLAN fast forwarding

1.     Enter system view.

system-view

2.     Enable WLAN fast forwarding.

wlan fast-forwarding enable

By default, WLAN fast forwarding is enabled.

3.     Set the WLAN fast forwarding mode.

wlan fast-forwarding mode { hardware | software }

By default, the WLAN fast forwarding mode is hardware.

 

Display and maintenance commands for WLAN fast forwarding

Execute display commands in any view.

 

Task

Command

Display WLAN fast forwarding status.

display wlan fast-forwarding status

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