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Shantilal1998
New Contributor III

Intermittent packet loss in IPSEC VPN tunnel

Facing intermittent packet loss in IPSEC VPN.

Have checked bandwidth, Firewall Utilization & it was fine. The current version is 6.4.9.

Kindly share any suggestion for resolving the issue.

1 REPLY 1
cpagare
Staff
Staff

You can collect traffic logs and packet captures at the time of the issue, below is the document of IPsec VPN troubleshooting:

 

https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-Troubleshooting-IPsec-Site-to-Site-T...

https://docs.fortinet.com/document/fortigate/6.4.4/administration-guide/137844/vpn-ipsec-troubleshoo...

 

You can also try disabling the offloading in the IPsec tunnel policies and cross-verify the behavior, please refer to the link below for the same:

 

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Disabling-NP-offloading-in-security-policy...

 

 

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