Sophos to Fortigate site to site issue

Anyone has a experience on create a site to ste vpn with fortigate firewall (as spokes and Sophos as hub), and face the ff issue:

Random instances the spoke site went down even the isp has stable connection.

And every time one or 2 sites (spoke, we got 150 spokes) went down it need to re input the pre shared key. Even though there's no changes made on both side.

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[edited by: Erick Jan at 2:40 AM (GMT -7) on 29 May 2023]

0 Sandy Blaza 11 days ago

Additional info we have a sophos xg3300 box and the fortigate 50E. I'm using the default headoffice ipsec profiles.
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0 Erick Jan 9 days ago

Hi Sandy,

Thank you for reaching out to Sophos Community.

Have you tried to use any how-to videos, documentation, Sophos Assistant, or KBA to try to check the issue?

Is the Tunnel newly configured?

Any logs that might assist us in checking what has transpired?

For more reference, kindly see if the following KB might assist in troubleshooting

doc.sophos.com/.../index.html

https://doc.sophos.com/nsg/sophos-firewall/18.5/help/en-us/webhelp/onlinehelp/AdministratorHelp/VPN/SiteToSiteVPN/t_VPNIPsecSiteToSiteTroubleShootCommonErrors/index.html

support.sophos.com/.../KB-000038566

Erick Jan
Community Support Engineer | Sophos Technical Support
Sophos Support Videos | Product Documentation | @SophosSupport | Sign up for SMS Alerts
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