View source for Changing an IPSEC endpoint's IP address

# Edit /usr/local/etc/racoon/ipsec.conf and change the IP in the SPD lines that are relevant.
# Edit /usr/local/etc/racoon/psk.conf and change the IP that the pre-shared-key belongs to.
# Edit /etc/pf.conf and update vpn-clients table with the new IP.
# Destroy gif(4) tunnel and recreate (see note at bottom)
# Edit /etc/rc.local and synchronize changes with what happens there.
# Reload SPDs: 'setkey -F ; setkey -f /usr/local/etc/racoon/ipsec.conf'
# Restart racoon: '/usr/local/etc/rc.d/racoon restart'
# Watch logfile: 'tail -f /var/log/security'


  # ifconfig gif0 down delete
  # ifconfig gif0 destroy
  # ifconfig gif0 create
  # ifconfig gif0 inet AAA.AAA.AAA.AAA BBB.BBB.BBB.BBB netmask 0xffffffff
  # ifconfig gif0 tunnel XXX.XXX.XXX.XXX YYY.YYY.YYY.YYY up