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 2.8.8 [starter]...

moon# ipsec start
Starting strongSwan IPsec 2.8.8 [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 2.8.8]
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=>0x0a391198 <0x5068c90f IPCOMP=>0x00003c35 <0x0000bc19}
004 "home" #2: STATE_QUICK_I2: sent QI2, IPsec SA established {ESP=>0x0a391198 <0x5068c90f IPCOMP=>0x00003c35 <0x0000bc19}


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 1109s; 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.5068c90f@192.168.0.100 (0 bytes) esp.a391198@192.168.0.1 (0 bytes) comp.bc19@192.168.0.100 comp.3c35@192.168.0.1; tunnel

carol# ipsec statusall | grep 'comp.' [YES]
000 #2: "home" esp.a391198@192.168.0.1 (0 bytes) esp.5068c90f@192.168.0.100 (0 bytes) comp.3c35@192.168.0.1 comp.bc19@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=1.52 ms

moon# killall tcpdump

moon# cat /tmp/tcpdump.log | grep 'carol.strongswan.org > moon.strongswan.org: ESP' [YES]
11:58:44.893706 IP carol.strongswan.org > moon.strongswan.org: ESP(spi=0x0a391198,seq=0x1), length 124
11:58:45.905094 IP carol.strongswan.org > moon.strongswan.org: ESP(spi=0x0a391198,seq=0x2), length 124

moon# cat /tmp/tcpdump.log | grep 'moon.strongswan.org > carol.strongswan.org: ESP' [YES]
11:58:45.906003 IP moon.strongswan.org > carol.strongswan.org: ESP(spi=0x5068c90f,seq=0x1), length 116


POST-TEST

moon# ipsec stop
Stopping strongSwan IPsec...

carol# ipsec stop
Stopping strongSwan IPsec...