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VPN Tunnel to Amazon Web Services (AWS) is unstable Technical Level
Symptoms
  • Traffic randomly fails to reach the AWS peer network. SmartView Tracker logs show that the Check Point Security Gateway successfully encrypts the traffic.
  • 'vpn tu' is showing many stored IKE Phase 2 keys for the AWS peer gateway.
  • Resetting the VPN tunnel with the AWS peer resolves the issue temporarily.
  • the VPN to AWS(Amazon) is configured as Domain Based VPN with Encryption domains
Cause

Amazon Web Services only supports 2 SPI per tunnel.


Solution
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