RT-AC68U as OpenVPN client

[DotComm]

I'm having some trouble here. I have a remote OpenVPN server I wish to have my network connect to. Other clients are able to connect to the server just fine and their traffic is working all correctly. I have brought over my config file to the router and it is able to connect fine. However, I am not able to ping the OpenVPN server using the VPN ip nor can anything on the VPN ping the router. I got a feeling I need some sort of iptables rule on the router side, but haven't been able to figure anything out. My most recent try, and what I though would open it up the most was adding rules:
-A INPUT -i tap11 -j ACCEPT
-A OUTPUT -o tap11 -j ACCEPT

My router is RT-AC68U running Merlin's custom firmware version 276.47

Anyone got any sort of advice?

 

[RogueSpear]

It's possible the VPN administrator has disabled ICMP traffic. Is there an internal resource, like a web server, you could try connecting to? Do you yourself have a laptop or other unit that you've been using to VPN in with before the router? If so check the config of that client.

 

[DotComm]

I've tried connecting to another machine on the VPN. I just copied over a working config from another machine that does work. Again, it connects, but I cannot send or receive any traffic over the connection. The VPN status page reads that traffic is being sent and received, which is why I still believe I have a firewall issue somewhere.