請教Windows server 2008 r2 和 Cisco 建 IPsec site to site VPN

請問各位大大有人建成功的嗎?
因為只能在windows server 2008 上做。
找了一些文章，試過都沒成功。

所以請示各位大大如何在Windows server 2008 r2 上 設定

Cisoco上的參數是

ISAKMP Parameters
IKE Encryption (No Other Option): 3DES
Authentication Method (MD5 or SHA): SHA
Diffie-Helman Group (1 or 2): 2
Security Association Lifetime (seconds): 86400

IPSEC Parameters
IPSEC Encryption (No Other Option): 3DES
Authentication Method (MD5 or SHA): SHA
Diffie-Helman Group (1 or 2): 2
Security Association Lifetime (seconds): 28800
Perfect Forward Secrecy (PFS) (Yes or No)? No

pre-shared-key: xxxxxxxxx


Best Regards