north:~#
 TESTNAME=mast-l2tp-05
north:~#
 source /testing/pluto/bin/northlocal.sh
north:~#
 if [ -f /var/run/l2tpd.pid ]; then kill `cat /var/run/l2tpd.pid`; fi
north:~#
 iptables -F INPUT
north:~#
 iptables -F OUTPUT
north:~#
 ipsec setup stop
ipsec_setup: Stopping Libreswan IPsec...
ipsec_setup: stop ordered, but IPsec does not appear to be running!
ipsec_setup: doing cleanup anyway...
north:~#
 iptables -A INPUT -i eth1 -s 192.1.2.23 -p udp --sport 1701 -j REJECT
north:~#
 iptables -A OUTPUT -o eth1 -d 192.1.2.23 -p udp --dport 1701 -j REJECT
north:~#
 ipsec setup restart
ipsec_setup: Stopping Libreswan IPsec...
ipsec_setup: stop ordered, but IPsec does not appear to be running!
ipsec_setup: doing cleanup anyway...
ipsec_setup: Starting Libreswan IPsec VERSION
north:~#
 ipsec auto --add north--east-l2tp
north:~#
 ipsec auto --add north--east-pass
north:~#
 /testing/pluto/bin/wait-until-pluto-started
north:~#
 ipsec auto --route north--east-pass
north:~#
 ipsec whack --debug-control --debug-controlmore --debug-natt
north:~#
 if [ ! -f /etc/ppp/chap-secrets ]; then mount --bind /testing/pluto/l2tp-01 /etc/ppp; fi
north:~#
 (cd /tmp && l2tpd -c /testing/pluto/l2tp-01/north.l2tpd.conf -D 2>/tmp/l2tpd.log ) &
[1] 9999
north:~#
 ipsec auto --route north--east-l2tp
north:~#
 echo done
done
north:~#
 ipsec auto --replace north--east-l2tp
north:~#
 ipsec auto --up north--east-l2tp
104 "north--east-l2tp" #1: STATE_MAIN_I1: initiate
003 "north--east-l2tp" #1: received Vendor ID payload [Libreswan 
003 "north--east-l2tp" #1: received Vendor ID payload [Dead Peer Detection]
003 "north--east-l2tp" #1: received Vendor ID payload [RFC 3947] method set to=109 
106 "north--east-l2tp" #1: STATE_MAIN_I2: sent MI2, expecting MR2
003 "north--east-l2tp" #1: NAT-Traversal: Result using RFC 3947 (NAT-Traversal): i am NATed
108 "north--east-l2tp" #1: STATE_MAIN_I3: sent MI3, expecting MR3
004 "north--east-l2tp" #1: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_RSA_SIG cipher=oakley_3des_cbc_192 prf=oakley_md5 group=modp1536}
117 "north--east-l2tp" #2: STATE_QUICK_I1: initiate
004 "north--east-l2tp" #2: STATE_QUICK_I2: sent QI2, IPsec SA established transport mode {ESP=>0xbe055d97 <0x66e4c95e xfrm=3DES_0-HMAC_MD5 ref=2 refhim=1 NATD=<invalid>:4500 DPD=none}
north:~#
 echo "c server" >/var/run/l2tp-control
north:~#
 sleep 5
north:~#
 ipsec look
north NOW
192.1.3.33/32      -> 192.1.2.23/32      => %pass
192.1.3.33/32:1701 -> 192.1.2.23/32:1701 => esp0xESPSPI@192.1.2.23:17
ipsec0->eth1 mtu=16260(9999)->1500

esp0xKLIPSPIK@192.1.3.33 ESP_3DES_HMAC_MD5: dir=in  src=192.1.2.23 iv_bits=64bits iv=0xIVISFORRANDOM000 ooowin=64   alen=128 aklen=128 eklen=192  natencap=nonesp natsport=4500 natdport=4500   refhim=1
ROUTING TABLE
192.1.2.23 dev ipsec0  scope link 
192.1.2.0/24 via 192.1.3.254 dev eth1 
192.1.3.0/24 dev eth1  proto kernel  scope link  src 192.1.3.33 
192.1.3.0/24 dev ipsec0  proto kernel  scope link  src 192.1.3.33 
192.0.1.0/24 via 192.1.3.254 dev eth1 
192.0.2.0/24 via 192.1.3.254 dev eth1 
default via 192.1.3.254 dev eth1 
north:~#
 ping -c 4 -n 192.0.2.254
PING 192.0.2.254 (192.0.2.254): 56 data bytes
64 bytes from 192.0.2.254: icmp_seq=2 ttl=257 time=999 ms
64 bytes from 192.0.2.254: icmp_seq=3 ttl=257 time=999 ms

--- 192.0.2.254 ping statistics ---
4 packets transmitted, 2 packets received, 50% packet loss
round-trip min/avg/max = 3.1/4.5/9.26 ms
north:~#
 telnet 192.0.2.254 2 | wc -l
Connection closed by foreign host.
    834
north:~#
 ifconfig ppp0 | grep 'inet addr'
          inet addr:192.0.2.128  P-t-P:192.0.2.254  Mask:255.255.255.255
north:~#
 ipsec auto --up north--east-l2tp
117 "north--east-l2tp" #4: STATE_QUICK_I1: initiate
004 "north--east-l2tp" #4: STATE_QUICK_I2: sent QI2, IPsec SA established transport mode {ESP=>0xbe055d99 <0x66e4c960 xfrm=3DES_0-HMAC_MD5 ref=6 refhim=5 NATD=<invalid>:4500 DPD=none}
north:~#
 telnet 192.0.2.254 2 | wc -l
Connection closed by foreign host.
    834
north:~#
 echo done
done
north:~#
 

north:~#
north:~#
 grep 'Result using RFC 3947' /tmp/pluto.log
"north--east-l2tp" #1: NAT-Traversal: Result using RFC 3947 (NAT-Traversal): i am NATed
north:~#

