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AnonymusUser
AnonymusUser
New Member
February 21, 2025
Question

IPsec VPN with HotSpot connection

  • February 21, 2025
  • 3 replies
  • 1698 views

 Hi, we have two remote users accessing via mobile hotspot, and they encounter this problem: when the FortiClient establishes a connection, they lose their internet access. If they press diconnect the VPN, the internet returns.

Be aware that when they are linked to the VPN, their internet symbol changes to this ( screenshot1)  and when they disconnect it goes back to their hotspot symbol.( screenshot2)


screenshot 2

8ea814e4-68fb-459c-89e5-a592b8d1dba2.jpg

 

 


screenshot 1

8d922a1c-a499-4e9c-98fa-168647a008b5.jpg

 

 

3 replies

AnonymusUser
AnonymusUserAuthor
New Member
February 21, 2025

FortiClient  VPN version. 7.2.8 ( it was the only working version for other issues)
Windows 11
Installed Microsoft Visual ++

AEK
SuperUser
AEK
SuperUser
February 21, 2025

Hi Anonymous

You probably need to setup split tunnel or split DNS. To do so you need to have admin access on the remote FortiGate.

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Enable-split-tunnel-For-IPsec-VPN/ta-p/192266

https://docs.fortinet.com/document/forticlient/7.2.0/new-features/634537/split-dns-support-for-ipsec-vpn-7-2-3

 

You can check the current status as follows:

  • Once connected to VPN, run nslookup and send a DNS query to see where is it sent
  • Once connected to VPN, run netstat -nr to see if default route is injected by VPN
AEK
    AnonymusUser
    AnonymusUserAuthor
    New Member
    February 28, 2025

    Hello, we determined that the primary issue was their hotspot connection, as this problem ceased once they logged into Wi-Fi.

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