Joined: 06 Jan 2014 Posts: 75 Location: United Kingdom
Posted: Sun Jan 12, 2014 22:59 Post subject:
There isn't, I'm afraid.
The DIR-615 only has 4MB flash ROM, so it can't run larger builds of DD-WRT that include OpenVPN. You will usually find OpenVPN in DD-WRT builds for routers 8MB and above.