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Establish Secure Connections Virtual Private Network Management Configure Virtual Private Network Management Introduction to Site-to-Site Virtual Private Network Monitor FDM-Managed DeviceASAAWS Site-to-Site Virtual Private Networks Identify VPN Issues Find VPN Peers with Encryption Key Issues

Last updated: Jul 29, 2025

Find VPN Peers with Encryption Key Issues

Use this approach to locate VPN Peers with encryption key issues such as:

  • IKEv1 or IKEv2 keys are invalid, missing, or mismatched

  • Obsolete or low encryption tunnels

Procedure

1

In the Security Cloud Control platform menu, choose Products > Firewall.
2

In the left pane, click Manage > Secure Connections > Network Connections > Site to Site VPN to open the VPN page.
3

Select Table View.
4

Open the Filter panel by clicking the filter icon .
5

Select each device reporting an issue and look in the Peers pane at the right. The peer information will show you both peers.

6

Click on View Peers for one of the devices.
7

Double-click the device reporting the issue in the Diagram View.
8

Click Key Exchange in the Tunnel Details panel at the bottom. You will be able to view both devices and diagnose the key issue from that point.
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