VPN Server & IPsec در Fedora

سلام .راه نمایی برای راه اندازی IPsec در لینوکس ؟
Host-to-Host و Network-to-Network

[url=http://docs.fedoraproject.org/en-US/Fedora/14/html/Security_Guide/sect-Security_Guide-Virtual_Private_Networks_VPNs-IPsec_Host_to_Host_Configuration.html]2.7.6. IPsec Host-to-Host Configuration[/url]
[url=http://docs.fedoraproject.org/en-US/Fedora/14/html/Security_Guide/sect-Security_Guide-Virtual_Private_Networks_VPNs-IPsec_Network_to_Network_Configuration.html]2.7.7. IPsec Network-to-Network Configuration[/url]

آموزش کسی سراغ نداره ؟

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[url=http://www.howtoforge.com]HowtoForge - Linux Howtos and Tutorials[/url]

version 2.0
config setup
nat_traversal=yes
virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12
oe=off
protostack=netkey






conn L2TP-PSK-noNAT
authby=secret
pfs=no
auto=add
keyingtries=3
rekey=no
ikelifetime=8h
keylife=1h
type=transport
left=IP ADD local server

right=IP ADD remote server
auth=ah


ولی باز جواب نمی ده
کسی بلد نیست ؟