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VPN client cannot establish connection

A VPN client is having trouble establishing connection.  He can ping the other end of the connection, but he does not get a login prompt when trying to VPN in.  I have attached a log from the client.

Cisco Systems VPN Client Version 4.9.00 (0050)

Copyright (C) 1998-2005 Cisco Systems, Inc. All Rights Reserved.

Client Type(s): Mac OS X

Running on: Darwin 8.8.1 Darwin Kernel Version 8.8.1: Mon Sep 25 19:42:00 PDT 2006; root:xnu-792.13.8.obj~1/RELEASE_I386 i386


55     13:29:24.989  02/22/2007  Sev=Info/4  CM/0x43100002

Begin connection process


56     13:29:24.989  02/22/2007  Sev=Warning/2       CVPND/0x83400011

Error -28 sending packet. Dst Addr: 0x0A2581FF, Src Addr: 0x0A258102 (DRVIFACE:1158).


57     13:29:24.990  02/22/2007  Sev=Info/4  CM/0x43100004

Establish secure connection using Ethernet


58     13:29:24.990  02/22/2007  Sev=Info/4  CM/0x43100024

Attempt connection with server ""


59     13:29:24.990  02/22/2007  Sev=Info/4  CVPND/0x43400019

Privilege Separation: binding to port: (500).


60     13:29:24.990  02/22/2007  Sev=Info/4  CVPND/0x43400019

Privilege Separation: binding to port: (4500).


61     13:29:24.991  02/22/2007  Sev=Info/6  IKE/0x4300003B

Attempting to establish a connection with


62     13:29:25.103  02/22/2007  Sev=Info/4  IKE/0x43000013

SENDING >>> ISAKMP OAK AG (SA, KE, NON, ID, VID(Xauth), VID(dpd), VID(Frag), VID(Nat-T), VID(Unity)) to


63     13:29:25.104  02/22/2007  Sev=Info/4  IPSEC/0x43700008

IPSec driver successfully started


64     13:29:25.104  02/22/2007  Sev=Info/4  IPSEC/0x43700014

Deleted all keys


65     13:29:30.586  02/22/2007  Sev=Info/4  IKE/0x43000021

Retransmitting last packet!


66     13:29:30.586  02/22/2007  Sev=Info/4  IKE/0x43000013

SENDING >>> ISAKMP OAK AG (Retransmission) to


67     13:29:36.084  02/22/2007  Sev=Info/4  IKE/0x43000021

Retransmitting last packet!


68     13:29:36.084  02/22/2007  Sev=Info/4  IKE/0x43000013

SENDING >>> ISAKMP OAK AG (Retransmission) to


69     13:29:41.584  02/22/2007  Sev=Info/4  IKE/0x43000021

Retransmitting last packet!


70     13:29:41.584  02/22/2007  Sev=Info/4  IKE/0x43000013

SENDING >>> ISAKMP OAK AG (Retransmission) to


71     13:29:46.584  02/22/2007  Sev=Info/4  IKE/0x43000017

Marking IKE SA for deletion  (I_Cookie=CD71334CC08B4802 R_Cookie=0000000000000000) reason = DEL_REASON_PEER_NOT_RESPONDING


72     13:29:47.585  02/22/2007  Sev=Info/4  IKE/0x4300004B

Discarding IKE SA negotiation (I_Cookie=CD71334CC08B4802 R_Cookie=0000000000000000) reason = DEL_REASON_PEER_NOT_RESPONDING


73     13:29:47.585  02/22/2007  Sev=Info/4  CM/0x43100014

Unable to establish Phase 1 SA with server "" because of "DEL_REASON_PEER_NOT_RESPONDING"


74     13:29:47.585  02/22/2007  Sev=Info/5  CM/0x43100025

Initializing CVPNDrv


75     13:29:47.586  02/22/2007  Sev=Info/4  CVPND/0x4340001F

Privilege Separation: restoring MTU on primary interface.


76     13:29:47.586  02/22/2007  Sev=Info/4  IKE/0x43000001

IKE received signal to terminate VPN connection


77     13:29:48.584  02/22/2007  Sev=Info/4  IPSEC/0x43700014

Deleted all keys


78     13:29:48.584  02/22/2007  Sev=Info/4  IPSEC/0x43700014

Deleted all keys


79     13:29:48.584  02/22/2007  Sev=Info/4  IPSEC/0x43700014

Deleted all keys


80     13:29:48.584  02/22/2007  Sev=Info/4  IPSEC/0x4370000A

IPSec driver successfully stopped

Networking Hardware-OtherInternet Protocol Security

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Networking Hardware-Other
Networking Hardware-Other

Networking hardware includes the physical devices facilitating the use of a computer network. Typically, networking hardware includes gateways, routers, network bridges, modems, wireless access points, networking cables, line drivers, switches, hubs, and repeaters. But it also includes hybrid network devices such as multilayer switches, protocol converters, bridge routers, proxy servers, firewalls, network address translators, multiplexers, network interface controllers, wireless network interface controllers, ISDN terminal adapters and other related hardware.

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