Acceleration Ineffective: Accelerate Ineffective Under Tunnel NAT Environment

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Issue Description

No acceleration effect for tunnel NAT environment

Handling Process

  • Found out that tunnel NAT is enabled on HQ VPN connection
  • Found out that the branch enabled Pre-Connection
  • Found out that the transfer protocol is High Speed TCP

Root Cause

For Tunnel NAT environment, only HTP-UDP transfer protocol and post-connection method able to accelerate. Other configuration method will not have acceleration effect

Solution

Change the transfer protocol to HTP-UDP and use post connection.
Note: Post-connection is just disable the Preconnection

Suggestions

  • For Tunnel NAT environment, only HTP-UDP transfer protocol and post-connection method able to accelerate. Other configuration method will not have acceleration effect
  • WANO does not support acceleration under firewall NAT environment
Siva Lv3Posted 10 Jan 2020 20:49
  
thx for sharing
bramtorvalds Lv3Posted 23 Mar 2020 10:14
  
thanks for sharing this case
Faisal Lv5Posted 15 Aug 2020 07:00
  
Thank you very much for the information ...

I want to write a case
Doc ID: 2482
Author: Sangfor_Yong
Updated: 2019-12-23 16:26
Version: