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Behide Linksys broadband router, SSH VPN client...

SHREK
My PC is behide a Linksys broadband router. 
I want to make a connection to a far point (Astaro 3.217) by using the Sentinel VPN client.

Should I enable "IPSec Pass Through" in Linksys device?
Should I enable "NAT-T" on the VPN client?

P.S. Without Linksys, I can connect to the far point (Astaro 3.217)! 


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  • 0 in reply to Andreas Steffen
    Andreas,

    Will that work?  I will admit I have not tested it, but I was under the impression that since a Linksys broadband router is basically just a NAT device that a VPN will fail without UDP encapsulation.  
  • 0 in reply to Moby
    Well, if the Linksys router has IPsec passthrough capability which
    I don't know, then this approach is feasible. Most ADSL routers
    have IPsec passthrough, though.

    If you have an internal VPN client with IP address
    10.0.1.2 and a NAT-Router with external IP address
    xx.xx.xx.xx then the IPsec passthrough mapping is as follows:

      SSH Sentinel                         Router
      10.0.1.2:udp/500         xx.xx.xx.xx:udp/500
      10.0.1.2  ESP                xx.xx.xx.xx   ESP

    Regards

    Andreas  
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