Duplicate Phase 1 Packet detected. ASA 5520 Client Access

Unanswered Question

We have a user that is getting a Duplicate Phase 1 Packet detected. Retransmitting last Packet. He is using Cisco VPN Client Software 5.0.01.0600. He is using Windows XP and going through a Dlink DIR 625. We are seeing him connect to the ASA5520 running Version 7.2(2) getting the above error. There is no previous version of Cisco client software on the PC and the firewall is off.

Thanks for Any help

Bryon

I have this problem too.
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ULYSSES THOMAS Fri, 02/15/2008 - 10:23

I Get the same problem. (1721 router)

Feb 15 17:38:23.328: ISAKMP (1): Total payload length: 12

Feb 15 17:38:23.328: ISAKMP (0:1): sending packet to 70.217.240.15 my_port 500 peer_port 500 (R) AG_INIT_EXCH

Feb 15 17:38:23.328: ISAKMP (0:1): Input = IKE_MESG_FROM_AAA, PRESHARED_KEY_REPLY

Feb 15 17:38:23.332: ISAKMP (0:1): Old State = IKE_R_AM_AAA_AWAIT New State = IKE_R_AM2

Feb 15 17:38:27.580: ISAKMP (0:1): received packet from 70.217.240.15 dport 500 sport 500 Global (R) AG_INIT_EXCH

Feb 15 17:38:27.580: ISAKMP (0:1): phase 1 packet is a duplicate of a previous packet.

Feb 15 17:38:27.580: ISAKMP (0:1): retransmitting due to retransmit phase 1

Feb 15 17:38:28.084: ISAKMP (0:1): retransmitting phase 1 AG_INIT_EXCH...

Feb 15 17:38:28.084: ISAKMP (0:1): incrementing error counter on sa, attempt 1 of 5: retransmit phase 1

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