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Thursday, August 30, 2012

setup site-to-site VPN between fortigate and sonicwall TZ 200 with NAT over VPN

NAT over VPN

what does that mean, yeah ... if you can two offices or two sites on the same subnet like 192.168.1.x

its tricky to setup a site-to-site VPN, here is NAT - OVER-VPN come into play

it works in a virtual proxy way

here is a good link to make it work
http://www.fuzeqna.com/sonicwallkb/consumer/kbdetail.asp?kbid=7759

the trick is if a complex pre-shared key doesn't work, try a simple one,

and you need manually type the key (not copy / paste from email)

the error I had is timed-out, pre-shared key doesn't match ...

after re-type the pre-shared key many times, it comes up
 

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