| Case Number |
K09531982 |
| Title |
Unable to connect the Cisco VPN client to VPN 3000 Concentrator and the "received an unencrypted packet when crypto active!! Dropping packet" error message appears in the event log of Concentrator |
| Core issue |
This error message can appear if there is an incorrectly defined group name or a password. |
| Resolution |
In order to resolve this issue, recreate the new group name and password for the VPN Client on the VPN 3000 Concentrator.
Refer to the What Can Go Wrong section of IPsec with VPN Client to VPN 3000 Concentrator Configuration Example for more information about potential errors that can occur during client connection. |
| Problem Type |
Connectivity to the device
Troubleshoot software feature |
| Product Family |
VPN - hardware & software clients
VPN - 3000 series concentrator |
| Frequency |
Continuously |
| VPN 3000 Software Version |
4.0
4.1
4.7
4.2 |
| VPN Client Software Version |
Cisco VPN Client |
| VPN 3000 Model |
Concentrator models |
| VPN Tunnel End Points |
Client
VPN 3000 series |
| VPN Protocols |
IPSec |
| VPN Tunnel Initialization |
IPSec session is not established |
| VPN 3000 Event Logs |
received an unencrypted packet when crypto active!! Dropping packet |
| Direct URL |
http://www.ciscotaccc.com/security/showcase?case=K09531982 |
