Troubleshoot if you have site to site VPN issue
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Zyxel_Kevin
Posts: 771 
Zyxel Employee
Zyxel Employee
in VPN
Scenario:
Assuming the Tunnel built successfully but there are some traffic/unstable/disconnecting issues.
Checking:
1)Reauth action must ahead of Rekey, Please check phase1 lifetime greater than phase2.
2)Recommend to use ikev2 beacuse it implements a more complete rekey mechanism to prevent tunnel reconect.
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