In our head office we have 25 systems with the private ip range starts 192.168.1.10 G/w 192.168.1.1 (Router 1) and in our branch office, the private ip range 192.168.2.10 G/w 192.168.2.1 (Router 2). How i connect these two LAN network without using VPN or using free VPN with the same internet connection. Mainly looking to avoid fiber extend from isp because we have only 3 systems in the branch office. Please help me