Can't connect to Nortel Contivity VPN client through Linksys wrt55ag broadband router

HI I am unable to connect to my company's VPN using the Nortel Contivity VPN Client  when going through my Linksys wrt55ag router.  I did test the laptop to be wired directly to the cable modem and i connected with the vpn client just fine.  I do have the VPN passthru enabled for all 3 drop downs in my router config ( PPTP, L2TP and IPsec ).  

I have had such suggesitons to add to a DMz, mask or clone my MAC Address of machine to resolve issues with NAT?  Anyways any help is appreciated as I am not geting anywhere with the chat support from Linksys.

Thanks,
Phil
Phil_KopiecAsked:
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MikeKaneCommented:
What error are you getting when you try to connect?   Any logs to check for clues?

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Rick_O_ShayCommented:
If this is going to a Nortel VPN Router you have to set up a User group on the VPN side with NAT enabled.
I think the Auto-detect NAT option is the correct choice for most cases.
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Rick_O_ShayCommented:
What was the fix for the problem?
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