GuyHelmer

Q: Built-in IPsec VPN randomly drops to Cisco VPN server

I'm using the built-in IPsec VPN client on Lion and the VPN connection randomly drops.  I've found this in the system.log file corresponding to the time when the connection drops:

 

Aug 20 10:00:34 MBP racoon[38259]: IPSec Phase1 started (Initiated by me).

Aug 20 10:00:34 MBP racoon[38259]: IKE Packet: transmit success. (Initiator, Aggressive-Mode message 1).

Aug 20 10:00:34 MBP racoon[38259]: IKEv1 Phase1 AUTH: success. (Initiator, Aggressive-Mode Message 2).

Aug 20 10:00:34 MBP racoon[38259]: IKE Packet: receive success. (Initiator, Aggressive-Mode message 2).

Aug 20 10:00:34 MBP racoon[38259]: IKEv1 Phase1 Initiator: success. (Initiator, Aggressive-Mode).

Aug 20 10:00:34 MBP racoon[38259]: IKE Packet: transmit success. (Initiator, Aggressive-Mode message 3).

Aug 20 10:00:34 MBP racoon[38259]: IPSec Phase1 established (Initiated by me).

Aug 20 10:00:34 MBP racoon[38259]: IKE Packet: receive success. (Information message).

Aug 20 10:00:34 MBP racoon[38259]: IPSec Extended Authentication requested.

Aug 20 10:00:34 MBP configd[16]: IPSec requesting Extended Authentication.

Aug 20 10:00:34 MBP configd[16]: IPSec Controller: XAuth reauthentication dialog required, so connection aborted

Aug 20 10:00:34 MBP configd[16]: IPSec disconnecting from server xx.xx.xx.xx

Aug 20 10:00:34 MBP racoon[38259]: IPSec disconnecting from server xx.xx.xx.xx

Aug 20 10:00:34 MBP racoon[38259]: IKE Packet: transmit success. (Information message).

Aug 20 10:00:34 MBP racoon[38259]: IKEv1 Information-Notice: transmit success. (Delete IPSEC-SA).

Aug 20 10:00:34 MBP racoon[38259]: IKE Packet: transmit success. (Information message).

Aug 20 10:00:34 MBP racoon[38259]: IKEv1 Information-Notice: transmit success. (Delete ISAKMP-SA).

 

Is there a hint here as to any configuration I can change on the MBP, or anything I can ask the network admin to change on the Cisco device to resolve this?

 

Thanks,

Guy

MacBook Pro, Mac OS X (10.7)

Posted on Aug 20, 2011 8:33 AM

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