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我下載一個Cisco的VPN的liunx版本，安裝都很順利，但是當啟動Client服務 時，提示系統無法載入內核模組，當然 connect也就無從談起了，在網上搜了一下，給的解決方法很模糊，只是告知可能要重新編譯內核有沒有簡單的解決方法呢？
下麵是我啟動vpn client服務時給出的錯誤提示：

boydd@boydd-laptop:/etc/init.d$.
mailto:boydd@boydd-laptop:/etc/init.d$> sudo ./vpnclient_init start
Password:
Starting /opt/cisco-vpnclient/bin/vpnclient: insmod: error inserting '/lib/modules/2.6.17-10-generic/CiscoVPN/cisco_ipsec.ko': -1 Invalid
module format
Failed (insmod)
boydd@boydd-laptop:/etc/init.d$.

boydd@boydd-laptop:~/Desktop$. vpnclient connect vpn-v1.pcf
Cisco Systems VPN Client Version 4.8.00 (0490)
Copyright (C) 1998-2005 Cisco Systems, Inc. All Rights Reserved.
Client Type(s): Linux
Running on: Linux 2.6.17-10-generic #2 SMP Fri Oct 13 18:45:35 UTC 2006 i686
Config file directory: /etc/opt/cisco-vpnclient
privsep: unable to drop privileges: group set failed.
The application was unable to communicate with the VPN sub-system.
boydd@boydd-laptop:~/Desktop$.

1. recompile the vpn mode.
2. start vpnclient service
3. vpnclient connect vpn-v1 //don't use the fullname of pcf file.