Sangfor VPN Cannot Build Up Due To Communicate With Peer Timed Out

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Issue Description

Sangfor VPN cannot be build up and check the system logs shown error as figure below:

Handling Process

  • Check the both device DLAN version.
  • Go to System > Troubleshooting enbale bypass the branch side public ip then the vpn can be build up.





Root Cause

Branch send request to HQ side and HQ drop the packet due to it recognize the traffic as Dos attack.

Solution

Put the branch side public ip in to dos exclusion.
Path: Anti-Dos/DDos > Traffic Blocks > Dos Exclusion.

Faisal Posted 21 Aug 2020 08:11
  
Thank you very much for the information ...
Faisal Posted 22 Oct 2020 12:31
  
Nice article ...
Muhammad Bilal Lv4Posted 06 Dec 2020 18:59
  
great and detailed sharing
Faisal Posted 18 Dec 2020 10:16
  
Great info ...
Ellechar Lv4Posted 26 Jan 2021 14:50
  
Very nice infoooooooooooooooooooooooooooooo
Faisal Posted 19 Mar 2021 07:19
  
Very informative …
Faisal Posted 04 Jun 2021 12:17
  
Nice guidance ...

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Doc ID: 2478
Author: CTI Jimy
Updated: 2019-12-24 11:15
Version: