Створити файл /etc/ipsec.d/lifecell.conf:
conn lifecell
keyexchange=ikev1
left=1.2.3.4 # your outside IP
leftsubnet=172.30.255.60/30 # private network provided by lifecell
right=212.58.161.164
rightsubnets={212.58.162.208/32,212.58.162.209/32,212.58.162.210/32}
ike=aes128-sha1-modp1024!
ikelifetime=24h
esp=aes128-sha1!
keyingtries=0
lifetime=8h
dpddelay=30
dpdtimeout=120
dpdaction=restart
authby=secret
auto=up
type=tunnel
В файл etc/ipsec.d/lifecell.secrets з вмістом:
1.2.3.4 212.58.161.164 : PSK "_pre_shared_key_"