west:~#
 TZ=GMT export TZ
west:~#
 ipsec spi --clear
west:~#
 ipsec eroute --clear
west:~#
 enckey1=0x43434545464649494a4a4c4c4f4f51515252545457575840
west:~#
 authkey1=0x65876587658765876587658765876587
west:~#
 ipsec spi --af inet --edst 192.1.2.45 --spi 0x12345678 --proto esp --src 192.1.2.23 --esp 3des-md5-96 --enckey $enckey1 --authkey $authkey1
west:~#
 ipsec spi --af inet --edst 192.1.2.45 --spi 0x12345678 --proto tun --src 192.1.2.23 --dst 192.1.2.45 --ip4
west:~#
 ipsec spigrp inet 192.1.2.45 0x12345678 tun inet 192.1.2.45 0x12345678 esp 
west:~#
 enckey2=0x434545464649494a4a4c4c4f4f5151525254545757584043
west:~#
 authkey2=0x87658765876587658765876587658765
west:~#
 ipsec tncfg --attach --virtual ipsec0 --physical eth1
west:~#
 ifconfig ipsec0 inet 192.1.2.45 netmask 0xffffff00 broadcast 192.1.2.255 up
west:~#
 ipsec look
west NOW
ipsec0->eth1 mtu=16260(1500)->1500
esp0x12345678@192.1.2.45 ESP_3DES_HMAC_MD5: dir=in  src=192.1.2.23 iv_bits=64bits iv=0xDEADF00DDEADF00D alen=128 aklen=128 eklen=192 life(c,s,h)= natencap=none natsport=0 natdport=0 refcount=3 ref=1 refhim=0
tun0x12345678@192.1.2.45 IPIP: dir=in  src=192.1.2.23 life(c,s,h)= natencap=none natsport=0 natdport=0 refcount=3 ref=2 refhim=0
ROUTING TABLE
west:~#
 route add -host 192.0.2.1 gw 192.1.2.23 dev ipsec0