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UTM9 IPsec Setup

Hi,

I have UTM9 connected to modem, then modem connect to HQ firewall. How to setup ipsec site-to-site vpn connection using this setup?

Branch UTM9:

LAN (192.168.12.x) - LAN IP

WAN  (192.168.0.x) - Local IP of Modem

Modem (175.x.x.x) - Public IP

HQ:

Firewall  (103.x.x.x) - Public IP

I tried setup ipsec between Modem and HQ firewall but failed.

Thank you in advanced.



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  • Hi.

    Well, this is not a lot of information.

    I understand, that you try to connect from the branch office to the HQ. WAN and LAN-IPs are on the UTM. Right? Who is doing the IPsec on the branch side? The modem or the UTM.

    If it is the UTM first of all, you need nat traversal enabled for IPsec in the advaced tab. 

    Regards.

    Thomas


    Sophos Gold Partner
    4TISO GmbH, Germany
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