I have 3 routers, let's call them A, B, C. I need to configure mesh VPNs (i.e. A-B, B-C, A-C) between them. Can I use the same IP as endpoint (local or remote) IP on the same router?
For example we now have 3 VPN connections:
- A 192.168.1.1 - B 192.168.1.2
- B 192.168.1.2 - C 192.168.1.3
- A 192.168.1.1 - C 192.168.1.3
Will this cause problems? What if there are also OSPF on 3 routers? What if there are multiple concurrent VPN connections (different type) between the same routers using the same endpoint IPs?