TomatoUSB

I bought a Belkin F7D4301 and want to put Shibby on it. When I tried to transfer my existing settings to it by hand, the OpenVPN settings are always corrupted. Either the port number is not save or it complains netmask is invalid. I wonder if I am running out of NVRAM space. Any way to check if that is the case?
I have tried 114-big and 114-vpn and both behaved the same.

Under Status > Overview,
you will have those informations… "Total / Free NVRAM"

Thanks. When the NVRAM is erased, it has about 6700 bytes free. Who is using the rest of the 32K? After OpenVPN parameters are set, it went down to about 700 bytes before I even put in static IP & port forwarding.

Are you only setting up one OpenVPN Server? There should be enough room to do atleast two I know. Have you only had the issue since using shibby 114? Maybe there is something with 114. Does it resolve if you go back again to a prior release?

Here's shibby's thread over at linksysinfo. He'll for sure see your post over there if things don't fix. They don't frequent here much.
http://linksysinfo.org/index.php?threads/tomato-raf-with-included-bittorrent-client-beta-testing.33858/

My static IP & port forwarding data are too big when combine with OpenVPN settings. I tried a Shibby build that was released in mid-2012 and got the same result. Currently, I am using a Netgear 3500 with toastman. I guess the Belkin takes more NVRAM because it has both 2.4 and 5 Ghz.

Check out this thread.

http://linksysinfo.org/index.php?threads/nvram-32k-size-error-with-openvpn-use-jffs.36950/#post-179387

I'm unfamiliar with this device. If it has /jffs capability, you can enable that and store you openvpn certs there instead, freeing up space. They can also be on USB if desired, though /jffs I think is more dependable.

Thank you for the link. Putting the OpenVPN files on USB drive fixed the problem.

Nice, glad you got it going.