@d0ugmac1 That worked. After setup the DMZ it worked, but then I just set up manually a port forward necessary to work the VPN server. Thank you so much.

@d0ugmac1 After your message, I searched and found a post on Virgin website that shows how to use it on "modem mode only", but turns out that my specific modem model don't have this option. Do you...

Hi, I have an ISP router (Virgin) connected to my router (ER7206). The ISP is configured as DHCP and is giving an IP (192.168.0.77) to my router, that gives an DHCP IP to the rest of the office...