Hi everyone, I have a problem I have been unable to solve all day (literally *all* day).
My pfSense box has two LAN interfaces and a WAN interface. A CentOS 7.0 server is giving me grief on one of the Subnets when configured as static or dynamic. When I put the problematic CentOS box on the other subnet (and change corresponding host network configurations), it works. The CentOS box also works when I put it on my trustworthy Linksys WRT router (again, changing host network settings along the way). To me this smelled of a firewall problem, but there is nothing logged and I have both LAN interfaces set up to pass everything. Secondly I looked at DHCP for possible DHCP addressing conflicts, but the DHCP server is disabled on this subnet. TCPdump reveals that literally nothing is making it to the gateway interface, however at the same time the activity light on the interface blinks corresponding to my pings (there is no other traffic). Further confusing me is that I am able to get a static IP from other devices when I plug them into the problematic subnet. Basically this single device does not work on this single subnet and that is the only problem. Other devices are fine on this subnet and this device is fine on other subnets. ...? It is also worth noting that all the link lights are lighting up and the cables and switch have been tested to be working correctly. Nothing that I can see looks out of place in pfSense's logs. Here are my host configuration files, all generated by CentOS's nmtui utility. I tried my own manual configurations with the same results (not working):http://pastebin.com/HFYYTG09(possible typos -- this is hand written, my apologies if that is the case) I am at a loss and have been at this all day. pfSense has so little to configure that I'm not really sure what I could have done wrong. I feel like it is something really simple that I missed. Anyone have recommendations on how to troubleshoot? Best Regards, -Stefan
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