No aceptable proposal found/ipsec

[dparedes]

Hi i have this problem can you guys helpme please? i added the log where shows the issue.


no acceptable proposal found
Jul 23 09:36:34 fw1 charon: 13[ENC] parsed INFORMATIONAL response 583 [ ]
Jul 23 09:36:34 fw1 charon: 13[NET] received packet: from "ExternalIP"[4500] to "LocalIP" [4500] (80 bytes)
Jul 23 09:36:34 fw1 charon: 10[NET] sending packet: from "LocalIP"[4500] to "ExternalIP"[4500] (80 bytes)
Jul 23 09:36:34 fw1 charon: 10[ENC] generating INFORMATIONAL request 583 [ ]
Jul 23 09:36:34 fw1 charon: 10[IKE] sending DPD request
Jul 23 09:36:04 fw1 charon: 14[NET] sending packet: from "LocalIP"[4500] to "ExternalIP"[4500] (80 bytes)
Jul 23 09:36:04 fw1 charon: 14[ENC] generating CREATE_CHILD_SA response 1742 [ N(NO_PROP) ]
Jul 23 09:36:04 fw1 charon: 14[IKE] failed to establish CHILD_SA, keeping IKE_SA
Jul 23 09:36:04 fw1 charon: 14[IKE] no acceptable proposal found

[jcoffin]

The encryption methods do not match. Review the settings on both sides.