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Site2Site IPSec Tunnels between three nodes.

goranlepan
Hi Guys, 

I need help with configuring a site to site IPSeC VPN tunnel. I have scenario where i need to connect the three nodes. So i have siteA, siteB and siteC. I have established an IPSeC tunnel between siteA --> siteB and siteA --> siteC. In both of the these tunnels siteA is initiating the request and respecting sites are responding to the request. 

Now my issue is creating a IPSeC tunnel between siteB --> siteC. Once I create a remote gateway and then select the mode and passphrase then save the setting i get the error. The error i get is complaining about the passphrase already being used on another connection. The passphrase is different in any case.

So my questions are: 

- Can we create multiple IPSeC connections on single UTM? How do i go about doing this? 
- If we cant create a multiple sessions then how can we establish connectivity between siteB and siteC?


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  • 0
    Hi, and welcome to the User BB!

    Try Hub and Spoke Help.

    If you're using PSKs (a security risk for Site-to-Site VPNs), be sure to select 'Enable probing of preshared keys' on the 'Advanced' tab.  X509 certificates are the most secure method; with only three sites, RSA Keys are almost as secure.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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