my companion script to kick a sshuttle session into action. sshuttle is here https://github.com/apenwarr/sshuttle

my_sshuttle

#!/bin/bash

SSH_SERVER=<some host config ssh understands>
VERBOSITY=-v

cat <<-EOF |
	# My Project
	172.16.103.183/29  # buildserver
	172.16.228.219/28  # issuetracker
	172.16.228.246/26  # test
	172.16.40.175/28   # acc
	172.16.172.37/24   # prd

	# Common servers
	172.16.29.208/29   # subversion
	EOF
sed 's/#.*//;s/ //g;' | # strip comments
grep -v '^$' |          # remove empty lines
paste -sd ' ' - |       # join all lines to a single line
(
  read NETWORKS
  exec sshuttle $VERBOSITY -r $SSH_SERVER $NETWORKS
)