how to allow vpn through sonicwall 2040 to isa 2006

how can i configure vpn access to pass though a SonicWall pro 2040?
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winperezAuthor Commented:
please i need help :
here is my situation:
isa 2006 to sonicwall pro 2040
vpn is enabled on the isa 2006 and it works without the sonicwall device.
when i plug the sonicwall it stops working.

what do i need to do?

There are a lot of things you need to check.  Lets start here:

Did you create a site-to-site VPN policy on the sonicwall?

What method are you using to authenticate - Pre-shared key?

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