it seems likely that when you enable split-tunneling but DON'T specify a routing address, all traffic goes through the VPN.
You could check the routing table on your PC.
For Windows for example, open the command prompt and type 'route print'
-> it should include a route with destination 0.0.0.0 and interface your SSLVPN tunnel IP, if all traffic is routed via the VPN
+++ Divide by Cucumber Error. Please Reinstall Universe and Reboot +++