east:~# TZ=GMT export TZ east:~# ipsec spi --clear east:~# ipsec eroute --clear east:~# enckey=0x4043434545464649494a4a4c4c4f4f515152525454575758 east:~# authkey=0x8765876587658765876587658765876587658765 east:~# ipsec spi --af inet --edst 192.1.2.45 --spi 0xD1234567 --proto esp --src 192.1.2.23 --esp 3des-sha1-96 --enckey $enckey --authkey $authkey east:~# ipsec spi --af inet --edst 192.1.2.45 --spi 0xD1234567 --proto tun --src 192.1.2.23 --dst 192.1.2.45 --ip4 east:~# ipsec spigrp inet 192.1.2.45 0xD1234567 tun inet 192.1.2.45 0xD1234567 esp east:~# ipsec eroute --add --eraf inet --src 192.0.2.0/24 --dst 192.0.1.0/24 --said tun0xD1234567@192.1.2.45 east:~# ipsec tncfg --attach --virtual ipsec0 --physical eth1 east:~# ifconfig ipsec0 inet 192.1.2.23 netmask 0xffffff00 broadcast 192.1.2.255 up east:~# arp -s 192.1.2.45 10:00:00:64:64:45 east:~# arp -s 192.1.2.254 10:00:00:64:64:45 east:~# ipsec look east NOW 192.0.2.0/24 -> 192.0.1.0/24 => tun0xd1234567@192.1.2.45 esp0xd1234567@192.1.2.45 (0) ipsec0->eth1 mtu=16260(1500)->1500 esp0xd1234567@192.1.2.45 ESP_3DES_HMAC_SHA1: dir=out src=192.1.2.23 iv_bits=64bits iv=0xDEADF00DDEADF00D alen=160 aklen=160 eklen=192 life(c,s,h)= natencap=none natsport=0 natdport=0 refcount=4 ref=3 tun0xd1234567@192.1.2.45 IPIP: dir=out src=192.1.2.23 life(c,s,h)= natencap=none natsport=0 natdport=0 refcount=4 ref=4 ROUTING TABLE east:~# route add -host 192.0.1.1 gw 192.1.2.45 dev ipsec0