east.conf

This a good VPN source

# /etc/ipsec.conf - FreeS/WAN IPsec configuration file

version 2.0

config setup
	# put the logs in /tmp for the UMLs, so that we can operate
	# without syslogd, which seems to break on UMLs
	plutostderrlog=/tmp/pluto.log
	plutorestartoncrash=false
	dumpdir=/tmp

conn modecfg-road--eastnet-psk
	also=road--eastnet-psk
	leftmodecfgclient=yes
	leftxauthclient=yes
	leftsubnet=192.0.2.209/32
	rightxauthserver=yes
	rightmodecfgserver=yes
	pfs=yes

conn road--eastnet-psk
	also=eastnet
	also=road-east-psk
	left=%any
        ike=3des-sha1
	aggrmode=yes
	authby=secret

conn packetdefault
	auto=ignore

conn road-east-psk
	right=192.1.2.23
	rightid=@east
	rightnexthop=192.1.2.45
	leftid=@roadrandom
	leftnexthop=192.1.3.254

include	/etc/ipsec.d/ipsec.conf.common

conn us
	rightsubnet=192.0.2.0/24

conn them
	leftsubnet=192.0.1.0/24