Hello,

I’m running 2 separate instances on AWS one 3.19 and the other 3.20drq on 
CentOS. None of them works with Android, on Windows connection does stall at 
IKE pull.

My configuration on both is as follows:
conn roaming
    authby=secret
    type=transport
    left=172.31.255.216
    leftsubnet=0.0.0.0/0
    right=%any
    rightaddresspool=172.31.255.1-172.31.255.250
    cisco-unity=yes
    modecfgdns1=8.8.8.8
    modecfgdns2=8.8.4.4
    narrowing=yes
    leftxauthserver=yes
    rightxauthclient=yes
    leftmodecfgserver=yes
    rightmodecfgclient=yes
    modecfgpull=yes
    ike_frag=yes
    ikev2=never
    auto=add
    pfs=no
    rekey=no
    mark=%unique

    # for walled-garden on xauth failure
    #xauthfail=soft
    xauthby=pam
    #leftupdown=/custom/_updown
    forceencaps=yes


When I use OSX 10.12 all is well. I can authenticate and pass traffic. However 
when I connect using same credentials and PSK from Android phone it connects 
but it doesn’t pass any traffic: 



Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: responding to Main Mode from 
unknown peer 199.7.157.82
Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: transition from state 
STATE_MAIN_R0 to state STATE_MAIN_R1
Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: STATE_MAIN_R1: sent MR1, 
expecting MI2
Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: transition from state 
STATE_MAIN_R1 to state STATE_MAIN_R2
Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: STATE_MAIN_R2: sent MR2, 
expecting MI3
Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: Main mode peer ID is 
ID_IPV4_ADDR: '10.156.143.137'
Mar  7 17:08:08: "roaming"[1] 199.7.157.82 #1: switched from "roaming"[1] 
199.7.157.82 to "roaming"
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: deleting connection "roaming"[1] 
199.7.157.82 instance with peer 199.7.157.82 {isakmp=#0/ipsec=#0}
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: transition from state 
STATE_MAIN_R2 to state STATE_MAIN_R3
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: new NAT mapping for #1, was 
199.7.157.82:62456, now 199.7.157.82:40044
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: STATE_MAIN_R3: sent MR3, ISAKMP 
SA established {auth=PRESHARED_KEY cipher=aes_256 integ=sha2_256 group=MODP1024}
Mar  7 17:08:08: | event EVENT_v1_SEND_XAUTH #1 STATE_MAIN_R3
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: XAUTH: Sending Username/Password 
request (XAUTH_R0)
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: ignoring informational payload 
IPSEC_INITIAL_CONTACT, msgid=00000000, length=28
Mar  7 17:08:08: | ISAKMP Notification Payload
Mar  7 17:08:08: |   00 00 00 1c  00 00 00 01  01 10 60 02
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: received and ignored 
informational message
Mar  7 17:08:08: "roaming"[2] 199.7.157.82 #1: Ignoring NUL at end of XAUTH 
User Password (Android Issue 36879?)
Mar  7 17:08:08: XAUTH: User viktork: Attempting to login
Mar  7 17:08:08: XAUTH: pam authentication being called to authenticate user 
viktork
Mar  7 17:08:09: XAUTH: User viktork: Authentication Successful
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: XAUTH: xauth_inR1(STF_OK)
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: transition from state 
STATE_XAUTH_R1 to state STATE_MAIN_R3
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: STATE_MAIN_R3: sent MR3, ISAKMP 
SA established
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: Unsupported modecfg long 
attribute MODECFG_BANNER received.
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: Unsupported modecfg long 
attribute MODECFG_DOMAIN received.
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: Unsupported modecfg long 
attribute CISCO_SPLIT_DNS received.
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: Unsupported modecfg long 
attribute CISCO_SPLIT_INC received.
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: Unsupported modecfg long 
attribute CISCO_SPLIT_EXCLUDE received.
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: Unsupported modecfg long 
attribute APPLICATION_VERSION received.
Mar  7 17:08:09: | We are not sending a domain
Mar  7 17:08:09: | We are not sending a banner
Mar  7 17:08:09: | We are 0.0.0.0/0 so not sending CISCO_SPLIT_INC
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: modecfg_inR0(STF_OK)
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: transition from state 
STATE_MODE_CFG_R0 to state STATE_MODE_CFG_R1
Mar  7 17:08:09: "roaming"[2] 199.7.157.82 #1: STATE_MODE_CFG_R1: ModeCfg Set 
sent, expecting Ack
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #1: the peer proposed: 0.0.0.0/0:0/0 
-> 172.31.255.1/32:0/0
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2: responding to Quick Mode 
proposal {msgid:ee4a6abc}
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2:     us: 
0.0.0.0/0===172.31.255.216<172.31.255.216>[MS+XS+S=C]
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2:   them: 
199.7.157.82[10.156.143.137,+MC+XC+S=C]===172.31.255.1/32
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2: transition from state 
STATE_QUICK_R0 to state STATE_QUICK_R1
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2: STATE_QUICK_R1: sent QR1, 
inbound IPsec SA installed, expecting QI2 transport mode {ESP/NAT=>0x0566b40b 
<0x2b8cfb21 xfrm=AES_256-HMAC_SHA2_256 NATOA=none NATD=199.7.157.82:40044 
DPD=passive username=viktork}
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2: transition from state 
STATE_QUICK_R1 to state STATE_QUICK_R2
Mar  7 17:08:10: "roaming"[2] 199.7.157.82 #2: STATE_QUICK_R2: IPsec SA 
established transport mode {ESP/NAT=>0x0566b40b <0x2b8cfb21 
xfrm=AES_256-HMAC_SHA2_256 NATOA=none NATD=199.7.157.82:40044 DPD=passive 
username=viktork}

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