TCPDUMP

moon# tcpdump -i eth0 not port ssh and not port domain and not arp > /tmp/tcpdump.log 2>&1 &

PRE-TEST

moon# echo 1 > /proc/sys/net/ipv4/ip_forward

carol# ipsec start
Starting strongSwan IPsec 2.8.11 [starter]...

moon# ipsec start
Starting strongSwan IPsec 2.8.11 [starter]...

carol# sleep 2

carol# ipsec up home
002 "home" #1: initiating Main Mode
104 "home" #1: STATE_MAIN_I1: initiate
003 "home" #1: ignoring Vendor ID payload [strongSwan 2.8.11]
003 "home" #1: received Vendor ID payload [XAUTH]
003 "home" #1: received Vendor ID payload [Dead Peer Detection]
106 "home" #1: STATE_MAIN_I2: sent MI2, expecting MR2
002 "home" #1: we have a cert and are sending it 
108 "home" #1: STATE_MAIN_I3: sent MI3, expecting MR3
002 "home" #1: Peer ID is ID_FQDN: '@moon.strongswan.org'
002 "home" #1: crl not found
002 "home" #1: certificate status unknown
002 "home" #1: ISAKMP SA established
004 "home" #1: STATE_MAIN_I4: ISAKMP SA established
002 "home" #2: initiating Quick Mode RSASIG+ENCRYPT+COMPRESS+TUNNEL+PFS+UP {using isakmp#1}
112 "home" #2: STATE_QUICK_I1: initiate
002 "home" #2: sent QI2, IPsec SA established {ESP=>0x49e73080 <0x4e6fc384 IPCOMP=>0x00008432 <0x0000aad6}
004 "home" #2: STATE_QUICK_I2: sent QI2, IPsec SA established {ESP=>0x49e73080 <0x4e6fc384 IPCOMP=>0x00008432 <0x0000aad6}


TEST

carol# ipsec status | grep 'home.*STATE_QUICK_I2.*IPsec SA established' [YES]
000 #2: "home" STATE_QUICK_I2 (sent QI2, IPsec SA established); EVENT_SA_REPLACE in 985s; newest IPSEC; eroute owner

moon# ipsec status | grep 'rw.*STATE_QUICK_R2.*IPsec SA established' [YES]
000 #2: "rw"[1] 192.168.0.100 STATE_QUICK_R2 (IPsec SA established); EVENT_SA_REPLACE in 1110s; newest IPSEC; eroute owner

moon# ipsec statusall | grep 'policy.*COMPRESS' [YES]
000 "rw":   policy: RSASIG+ENCRYPT+COMPRESS+TUNNEL+PFS; prio: 16,32; interface: eth0; 
000 "rw"[1]:   policy: RSASIG+ENCRYPT+COMPRESS+TUNNEL+PFS; prio: 16,32; interface: eth0; 

carol# ipsec statusall | grep 'policy.*COMPRESS' [YES]
000 "home":   policy: RSASIG+ENCRYPT+COMPRESS+TUNNEL+PFS+UP; prio: 32,16; interface: eth0; 

moon# ipsec statusall | grep 'comp.' [YES]
000 #2: "rw"[1] 192.168.0.100 esp.4e6fc384@192.168.0.100 (0 bytes) esp.49e73080@192.168.0.1 (0 bytes) comp.aad6@192.168.0.100 comp.8432@192.168.0.1; tunnel

carol# ipsec statusall | grep 'comp.' [YES]
000 #2: "home" esp.49e73080@192.168.0.1 (0 bytes) esp.4e6fc384@192.168.0.100 (0 bytes) comp.8432@192.168.0.1 comp.aad6@192.168.0.100; tunnel

carol# ping -n -c 2 -s 8184 -p deadbeef 10.1.0.10 | grep '8192 bytes from 10.1.0.10' [YES]
8192 bytes from 10.1.0.10: icmp_seq=2 ttl=63 time=2.79 ms

moon# killall tcpdump

moon# cat /tmp/tcpdump.log | grep 'carol.strongswan.org > moon.strongswan.org: ESP' [YES]
06:52:24.517409 IP carol.strongswan.org > moon.strongswan.org: ESP(spi=0x49e73080,seq=0x1), length 116
06:52:25.523018 IP carol.strongswan.org > moon.strongswan.org: ESP(spi=0x49e73080,seq=0x2), length 116

moon# cat /tmp/tcpdump.log | grep 'moon.strongswan.org > carol.strongswan.org: ESP' [YES]
06:52:25.524743 IP moon.strongswan.org > carol.strongswan.org: ESP(spi=0x4e6fc384,seq=0x1), length 116


POST-TEST

moon# ipsec stop
Stopping strongSwan IPsec...

carol# ipsec stop
Stopping strongSwan IPsec...