Hi Siddesh,

check with the ipsec statusall command if the xcbc plugin
is loaded which is required for AES-XCBC support.

Regards

Andreas

On 30.05.2016 10:51, siddesh r wrote:
Hi

I using below transform set for ikev2
conn net-net
         left=192.168.2.1
         leftauth=psk
         leftsubnet=22.1.0.0/16 <http://22.1.0.0/16>
         leftid=192.168.2.1
         leftfirewall=no
         right=192.168.2.2
         rightauth=psk
         rightsubnet=22.2.0.0/16 <http://22.2.0.0/16>
         rightid=192.168.2.2
         ike=aes128-aesxcbc-modp2048!
         auto=add


And getting the below error, could any one let me know whether there is
anything wrong in the configuration


May 30 14:16:17 bgl-mitg-sim481 charon: 02[IKE] initiating IKE_SA
net-net[2] to 192.168.2.2
May 30 14:16:17 bgl-mitg-sim481 charon: 02[ENC] generating IKE_SA_INIT
request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) ]
May 30 14:16:17 bgl-mitg-sim481 charon: 02[NET] sending packet: from
192.168.2.1[500] to 192.168.2.2[500]
May 30 14:16:17 bgl-mitg-sim481 charon: 10[NET] received packet: from
192.168.2.2[500] to 192.168.2.1[500]
May 30 14:16:17 bgl-mitg-sim481 charon: 10[ENC] parsed IKE_SA_INIT
response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) ]
May 30 14:16:17 bgl-mitg-sim481 charon: 10[IKE] PSEUDO_RANDOM_FUNCTION
PRF_AES128_XCBC not supported!
May 30 14:16:17 bgl-mitg-sim481 charon: 10[IKE] key derivation failed.

Thanks in advance,
Siddesh


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======================================================================
Andreas Steffen                         [email protected]
strongSwan - the Open Source VPN Solution!          www.strongswan.org
Institute for Internet Technologies and Applications
University of Applied Sciences Rapperswil
CH-8640 Rapperswil (Switzerland)
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