TUN Error

nico.1976

hello to everybody,
i'm trying to connect iPhone to VPN server through OpenVPN application but without any success.
I attached ovpn file and logs. some one can help me?

client.ovpn:
client
dev tun
proto udp
remote 192.168.1.9 1194
resolv-retry infinite
nobind
persist-key
persist-tun
<ca>
-----BEGIN CERTIFICATE-----
...
-----END CERTIFICATE-----
</ca>
auth-user-pass
comp-lzo
verb 3

log
2016-02-28 15:32:32 ----- OpenVPN Start ----- OpenVPN core 3.0 ios armv7a thumb2 32-bit
2016-02-28 15:32:32 UNUSED OPTIONS
4 [resolv-retry] [infinite]
5 [nobind]
6 [persist-key]
7 [persist-tun]
11 [verb] [3]

2016-02-28 15:32:32 LZO-ASYM init swap=0 asym=0
2016-02-28 15:32:32 EVENT: RESOLVE
2016-02-28 15:32:32 Contacting 192.168.1.9:1194 via UDP
2016-02-28 15:32:32 EVENT: WAIT
2016-02-28 15:32:32 SetTunnelSocket returned 1
2016-02-28 15:32:32 Connecting to 192.168.1.9:1194 (192.168.1.9) via UDPv4
2016-02-28 15:32:32 EVENT: CONNECTING
2016-02-28 15:32:32 Tunnel Options:V4,dev-type tun,link-mtu 1542,tun-mtu 1500,proto UDPv4,comp-lzo,cipher BF-CBC,auth SHA1,keysize 128,key-method 2,tls-client
2016-02-28 15:32:32 Creds: Username/Password
2016-02-28 15:32:32 Peer Info:
IV_GUI_VER=net.openvpn.connect.ios 1.0.5-177
IV_VER=3.0
IV_PLAT=ios
IV_NCP=1
IV_LZO=1

2016-02-28 15:32:32 VERIFY OK: depth=1
cert. version : 3
serial number : 00
issuer name : C=IT, O=efw, CN=efw CA
subject name : C=IT, O=efw, CN=efw CA
issued on : 2016-02-23 19:56:51
expires on : 2032-01-04 10:31:31
signed using : RSA with MD5
RSA key size : 2048 bits
basic constraints : CA=true

2016-02-28 15:32:32 VERIFY OK: depth=0
cert. version : 3
serial number : 00
issuer name : C=IT, O=efw, CN=efw CA
subject name : C=IT, O=efw, CN=127.0.0.1
issued on : 2016-02-23 19:56:51
expires on : 2032-01-04 10:31:31
signed using : RSA with SHA1
RSA key size : 1024 bits
basic constraints : CA=false

2016-02-28 15:32:33 SSL Handshake: TLSv1.0/TLS-DHE-RSA-WITH-AES-256-CBC-SHA
2016-02-28 15:32:33 Session is ACTIVE
2016-02-28 15:32:33 EVENT: GET_CONFIG
2016-02-28 15:32:33 Sending PUSH_REQUEST to server...
2016-02-28 15:32:34 OPTIONS:
0 [route-gateway] [192.168.20.1]
1 [ping] [8]
2 [ping-restart] [30]
3 [ifconfig] [192.168.20.2] [255.255.255.252]

2016-02-28 15:32:34 LZO-ASYM init swap=0 asym=0
2016-02-28 15:32:34 EVENT: ASSIGN_IP
2016-02-28 15:32:34 TUN Error: tun_prop_error: ifconfig addresses are not in the same /30 subnet (topology net30)
2016-02-28 15:32:34 EVENT: TUN_SETUP_FAILED tun_prop_error: ifconfig addresses are not in the same /30 subnet (topology net30) [ERR]
[/b]2016-02-28 15:32:34 EVENT: DISCONNECTED
2016-02-28 15:32:34 Raw stats on disconnect:
BYTES_IN : 3107
BYTES_OUT : 1384
PACKETS_IN : 31
PACKETS_OUT : 31
TUN_SETUP_FAILED : 1
2016-02-28 15:32:34 Performance stats on disconnect:
CPU usage (microseconds): 138989
Network bytes per CPU second: 32311
Tunnel bytes per CPU second: 0
2016-02-28 15:32:34 EVENT: DISCONNECT_PENDING
2016-02-28 15:32:34 ----- OpenVPN Stop -----

Traffic

nico.1976 wroteerror: ifconfig addresses are not in the same /30 subnet (topology net30)

Your server is probably pushing the wrong ifconfig parameters.

chriscde

Same problem here...
on Macbook, the configuration works totally fine, but on Iphone i get this error:

2017-03-07 11:20:08 EVENT: ASSIGN_IP
2017-03-07 11:20:08 TUN Error: tun_prop_error: ifconfig addresses are not in the same /30 subnet (topology net30)
2017-03-07 11:20:08 EVENT: TUN_SETUP_FAILED tun_prop_error: ifconfig addresses are not in the same /30 subnet (topology net30) [ERR]
2017-03-07 11:20:08 EVENT: DISCONNECTED
2017-03-07 11:20:08 Client exception in transport_recv: tun_exception: not connected
2017-03-07 11:20:08 Raw stats on disconnect:
BYTES_IN : 4163
BYTES_OUT : 3420
PACKETS_IN : 41
PACKETS_OUT : 41
TUN_SETUP_FAILED : 1
2017-03-07 11:20:08 Performance stats on disconnect:
CPU usage (microseconds): 214557
Network bytes per CPU second: 35342
Tunnel bytes per CPU second: 0
2017-03-07 11:20:08 EVENT: DISCONNECT_PENDING
2017-03-07 11:20:08 ----- OpenVPN Stop ——

So, i don't think is from Server Configuration...

TinCanTech

chriscde wrote[/b]2017-03-07 11:20:08 EVENT: TUN_SETUP_FAILED tun_prop_error: ifconfig addresses are not in the same /30 subnet (topology net30) [ERR]
2017-03-07 11:20:08 EVENT: DISCONNECTED

chriscde wroteSo, i don't think is from Server Configuration...

ifconfig addresses are normally received from the server ..