The problem I am having is that I tried to configure OpenVPN server on my AC66U router. The 192.168.0.0 subnet I replaced with 192.168.80.0 subnet to not have any conflicts.
The problem I am seeing is limited connectivity to WAN and unable to access my router on LAN. DHCP works, as it seems to be okay at taking and giving an IP address from 192.168.80.1. I have been monitoring and debugging with Wireshark and noticed that I could ping, telnet, and ssh to the router. However, when I would do a lookup I couldn't gain access to the router.
I would see src-ip: 192.168.80.xxx looking for dest-ip: 192.168.80.1. Unable to find dest-ip.
I did have to go back into my switch and manually change the subnet because it was still in 192.168.0.xxx. Changed it to static ip 192.168.80.2 and I can connect to it from wifi, or from ethernet on my laptop and desktop.
I am thinking the issue is stemming from wrong configuration with the OpenVPN server; however, besides changing the DHCP Pool, the subnet, and my switches IP address I didn't change anything else.
Here is my output of my ssh into the router..
login as: root
Tomato v1.28.0000 MIPSR2-116 K26AC USB AIO-64K
Welcome to the Asus RT-AC66U [TomatoUSB]
Uptime: 01:05:17 up 5 min
Load average: 0.08, 0.07, 0.03
Mem usage: 5.1% (used 12.82 of 249.29 MB)
WAN : 0.0.0.0/0 @ 74:D0:2B:41:93:49
LAN : 192.168.80.1/24 @ DHCP: 192.168.80.2 - 192.168.80.254
WL0 : adramalech @ channel: EU6 @ 74:D0:2B:41:93:4A
WL1 : adramalech @ channel: auto @ 74:D0:2B:41:93:4B
Any tips, tricks, or comments would be greatly appreciated. The only thing I haven't tried is to manually reset the router.