~#ssh -w0:0 [USER]@[SERVER] -p [PORT] 'ifconfig tun0 10.29.2.1 netmask 255.255.255.0' &
~#ifconfig tun0 10.29.2.2 netmask 255.255.255.0

if you encounter this error just edit sshd_config and set PermitTunnel to yes

channel 0: open failed: administratively prohibited: open failed