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Help. Interface loopback to receive fixed IPs from Internet Provider.

My ISP is asking me to create a loopback interface so that it can hand me / inject two public IP addresses.

The information the provider gave me is:
Client IP address:
10,255.1.2/30
Gateway IP address:
10,255.1.1/30

Public IP addresses:
138,121,137.56
138,121,137.57

I couldn't find anything relevant about loopback interface creation in the Sophos documentation.

Can someone help me?

This thread was automatically locked due to age.

0 Omar Zagnoli over 5 years ago in reply to BAlfson

Hi Bob,

I reached an agreement with the internet provider.

He directly provided me with the public IPs to configure on the UTM WAN interface.Here's what the WAN interface.

Here's what the WAN interface configuration looks like:

Now the configuration is pretty much identical to the one being used with the old link.
The only difference is that in the old link there was an edge router in front of my UTM while now the provider link arrives directly inside the UTM.
Since I am not communicating with the Internet and I am not able to ping the public IPs configured on the WAN interface from the Internet here is the question:
In the old link it was not necessary to create a static route.
In this case I need to create a static route? what kind? interface or gateway?