Cannot access my server using Firewalla Gold in bridge mode and OpenVPN
I have the Firewalla Gold inserted in between the ISP modem and my Cisco network router. The Firewalla is connecting to the ISP modem using DHCP. I have OpenVPN connected to the Firewalla Gold, and I have setup two rules for OpenVPN in Firewalla: both rules allow OpenVPN to have bi-directional traffic to the IP address of my server drive, and the IP address of my WAN.
The Cisco router is the DHCP server for the network.
I can connect to the Firewalla Gold using OpenVPN, however I cannot access my server drive.
What am I doing wrong?
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A router connected to another router, is not a simple configuration.
Firewalla is a router, and can function as a DHCP server.
I assume your Cisco router is a consumer device that's also your WiFi? It is likely also functioning as a DHCP server, too, by default. I assume this is a home network?
If yes, then disable the Cisco device's DHCP and find a bridge or non-routing mode in it so that its providing WiFi - only WiFi - and nothing more.
Once the configuration change is made you will need to reboot the Cisco device and all your WiFi devices and anything else physically plugged into the Cisco device (Ethernet). It's OK if the Cisco device has multiple Ethernet ports so long as they are are all the same network - which should be the case if it's in bridge mode.
Also turn off the firewall rules to make sure that basic networking is working in your home for everything before layering on rules and remote access VPN.
The bottom like is that this stuff is not plug and play when you connect multiple routers/firewall/WiFi devices together unless you know how basic networking works. All-in one devices are usually plug and play when it's ONE device. If you have an IT networking friend, I suggest calling him/her.
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