NGAF - VPN SANGFOR site to site

GiacomoV Lv1Posted 20 Feb 2023 19:23

Hi,
I have a problem with VPN site to site.
I have two NGAF: one in HQ and the other in the Branch site.
If I use standard IPSec all it's work.
But i would like to use Sangfor VPN.
In both NGAF I have static public IP.
In the HQ Ngaf I set the web agent with the PublicIP:4009, create shared key and local user.
In the branch Ngaf I add the VPN connection and test the web agent successfully, but the vpn doesn't go.
Witch port use VPN Sangfor? Only TCP/UDP 4009?
How can I debug what is the problem?

Thanks,
  

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To debug you can
1.Check the configuration on both NGAFs to ensure the shared key and user credentials are matches.
2.Check the public IP for both NGAFs are correct and accessible from the internet.
3.Check the logs for any error or warnings related to the VPN connection. System > Troubleshooting > Log > VPN Service
4.Check for firewall rules or network configurations blocking the VPN traffic. Use the Global passthrough . System > Troubleshooting > Global passthrough and analysis > Turn on.

If these steps cannot help you to solve this issue, please contact Sangfor technical support for assistance.
Is this answer helpful?
GiacomoV Lv1Posted 23 Feb 2023 18:27
  
Hi guys,
After checking the logs i found a misconfiguration.
Sangfor VPN wants to specify the intranet interface under IPSEC VPN -> Basic Setting.
I paste here the screenshot that helped me solve the problem.
Thank you all.

Screenshot_2023-02-23_alle_10_45_01.png (17.08 KB, Downloads: 399)

Screenshot_2023-02-23_alle_10_45_01.png

Screenshot_2023-02-23_alle_10_43_32.png (68.62 KB, Downloads: 395)

Screenshot_2023-02-23_alle_10_43_32.png

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