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Problems with VPN

I have communication problems with my CISCO VPN Client. I'am working at my home office with a connection via DSL and VPN to my office in Frankfurt/M. Details are:

Computer at home office: Windows2000 with Cisco Version 4.6.00.0049. DSL-Modem Fritzbox Fon, Firmware 06.03.90.

Error: all 20-40 minutes the VPN connection will be interrupted. Here is the protocol from this day (2 interrupts):

Cisco Systems VPN Client Version 4.6.00.0049

Copyright (C) 1998-2004 Cisco Systems, Inc. All Rights Reserved.

Client Type(s): Windows, WinNT

Running on: 5.0.2195 Service Pack 4

Config file directory: C:\Programme\Cisco Systems\VPN Client\

1 08:54:47.143 11/22/05 Sev=Warning/2 CVPND/0xA3400018

Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1341)

2 08:54:49.206 11/22/05 Sev=Warning/2 CVPND/0xA3400018

Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1341)

3 08:54:50.317 11/22/05 Sev=Warning/2 CVPND/0xA3400018

Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1341)

Cisco Systems VPN Client Version 4.6.00.0049

Copyright (C) 1998-2004 Cisco Systems, Inc. All Rights Reserved.

Client Type(s): Windows, WinNT

Running on: 5.0.2195 Service Pack 4

Config file directory: C:\Programme\Cisco Systems\VPN Client\

1 09:09:29.702 11/22/05 Sev=Warning/3 IKE/0xE3000065

Could not find an IKE SA for 10.61.10.145. KEY_REQ aborted.

2 09:09:29.702 11/22/05 Sev=Warning/2 IKE/0xE3000099

Failed to initiate P2 rekey: Error dectected (Initiate:176)

3 09:09:29.702 11/22/05 Sev=Warning/2 IKE/0xE3000099

Unable to initiate QM (IKE_MAIN:462)

4 09:09:29.722 11/22/05 Sev=Warning/2 CVPND/0xA3400015

Error with call to IpHlpApi.DLL: DeleteIpForwardEntry, error 87

5 09:10:30.169 11/22/05 Sev=Warning/2 IKE/0xA3000067

Received an IPC message during invalid state (IKE_MAIN:511)

6 09:25:19.187 11/22/05 Sev=Warning/2 IPSEC/0xE3700010

BSafe ESP Decrypt HMAC mismatch.

7 09:25:19.187 11/22/05 Sev=Warning/2 IPSEC/0xE3700003

Function BSafeESPDecrypt() failed with an error code of 0xffffffff (IpSecDrvTransform.c:1652)

8 09:27:03.357 11/22/05 Sev=Warning/2 CVPND/0xA3400015

Error with call to IpHlpApi.DLL: DeleteIpForwardEntry, error 87

9 09:58:27.506 11/22/05 Sev=Warning/2 CVPND/0xA3400015

Error with call to IpHlpApi.DLL: DeleteIpForwardEntry, error 87

with best regards

Paul Duerr

1 REPLY
Silver

Re: Problems with VPN

This document describes Cisco Secure VPN Client View Log messages and explains how to use the View Log messages to troubleshoot problems with establishing IPSec communications. The user must enable the View Log before logging occurs. Log files can be saved to a disk for future analysis .

http://www.cisco.com/en/US/tech/tk583/tk372/technologies_tech_note09186a0080093f87.shtml

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