Monitoring IP since 2.3.3

  • Since upgrading to version 2.3.3-RELEASE I have been having issues monitoring my VPN gateways. The gateway itself doesn't respond to ICMP so I was using the public address of the VPN server. For example I am using NordVPN and the public IP for is This used to work without issue but since the upgrade, I can't ping that IP when the source_address is the interface attached to the VPN. As a result the VPN gateways all present as down.

    Thanks for any suggestions.

  • I should also mention that I can successfully ping that IP from any other gateway interface eg WAN.

  • Have you tried setting Data Payload to 1 in System / Routing / Gateways / Edit?

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