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- Sun Jul 03, 2022 6:33 pm
- Forum: General
- Topic: After Upgrade from 6.49.1 to 7.1 ipsec Site-Site not working
- Replies: 45
- Views: 25481
Re: After Upgrade from 6.49.1 to 7.1 ipsec Site-Site not working
I managed to fix it for me. Two very helpful threads: https://forum.mikrotik.com/viewtopic.php?t=143990 https://forum.mikrotik.com/viewtopic.php?t=85703 The trick was to do MSS clamping, I used MSS of 1350, like this rule: 5 chain=forward action=change-mss new-mss=1350 tcp-flags=syn protocol=tcp src...