IPSEC error: Received a non-IPSEC packet

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Dec 10th, 2007
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Hi all


Below is my network setup. Using a Wireless Lan Controller and a Lightweight AP as its end point. Between the Router and ASA is an IPSEC tunnel


WLC---Router(==VPN==)ASA---AP


From my AP segment, i am able to ping to my WLC. Apparently the AP need to pass udp traffic to register itself to the WLC. Unfortunately i got this error msg


IPSEC: Received a non-IPSec (protocol=udp) packet from 172.16.8.4(AP) to 172.16.52.2 (WLC).


I have already allowed ACL of any any udp connection & also enabled split tunneling to include AP's traffic.


What did i miss out?




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amritpatek Mon, 12/17/2007 - 14:52
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This message is displayed when the received packet matched the crypto map ACL, but it is not IPSec-encapsulated. The IPSec Peer is sending unencapsulated packets. This error can occur because of a policy setup error on the peer. This error is the reason why the reverse-path authentication is getting failed.

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