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Site-to-Site VPN

By unlock ·
Tring to do a site-to-site VPN between Cisco-PIX and 'Back Firewall ISA"

Situation:
Site-A---------Internet------------------Site-B
LAN---PIX------Internet------Router---ISA---LAN

Site-A side shouldn?t be a problem, however the Site-B is going to be a challenge because the VPN services of ISA cannot be published thus the site-to-site VPN will end on the inside-IP of the router. I tried forwarding IPSec from router to ISA and configuring site-to-site VPN in ISA with no luck.

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by CG IT In reply to Site-to-Site VPN

first off ISA does "publish" services such as Remote Access for VPN. Second, take the router away from in front of ISA. any problems with site to site VPN into the LAN behind ISA will be from the router in front of ISA.

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by unlock In reply to Site-to-Site VPN

Thanks CG IT for the quick reply. I believe you without a doubt - minus the router in-front of ISA, configuring site-to-site VPN shouldn?t be a problem. The router however has to stay - the question then is, with the router in-front of ISA, is there any way to define the LAN inside ISA and be accessible via site-to-site VPN?

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