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VPN site to site dont work before internet down

Hi to all,


i have a main Firewall NSA3600 with 8 VPN connection all working well except one.


Before a internet down in a branch when the internet come up the site to site vpn not...


I try to delete a recreate (copying the configuration) and a bunch of config but doesnt work, I reset the branch Sonicwall and nothing.

The shared key are equal in both firewall with the enable keep alive on bth too

When I go to see the log y see that

17:46:42 May 21406VPNWarningReceived packet retransmission. Drop duplicate packet
17:46:41 May 21414VPNInformReceived notify: INVALID_COOKIES
17:46:41 May 21605VPNWarningReceived unencrypted packet in crypto active state
17:46:41 May 21414VPNInformReceived notify: INVALID_COOKIES
17:46:41 May 21605VPNWarningReceived unencrypted packet in crypto active state
17:46:41 May 21352VPNInformIKE Responder: Received Quick Mode Request (Phase 2)


Please i try everything anyone can help me?

Category: Entry Level Firewalls
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