VPN Connection Problems between Cisco PIX 506E and Cisco VPN Concentrator 3005

VPN Connection Problems between Cisco PIX 506E and Cisco VPN Concentrator 3005

Post by boverman » Wed, 16 Feb 2005 23:03:55

ello all,

I got a problem with a vpn connection from a cisco pix 506E to a cisco
3005 concentrator. The problem is that the lan on the pix is also used
to another remote side. so I tried to activate NAT on the pix to
translate the ip adresses of the network. after that I entered the
information at the concentrator which are nessassray for the
lan-to-lan connection.
But I did not get a connection. I tried to ping the outside address of
the pix but I did not get a reply.

I post the output of the logfile for that connection below:

29437 02/15/2005 14:25:21.890 SEV=4 IKE/41 RPT=43758
IKE Initiator: New Phase 1, Intf 2, IKE Peer
local Proxy Address, remote Proxy Address,
SA (L2L: to PIX)

29507 02/15/2005 14:26:02.300 SEV=4 IKEDBG/65 RPT=36896
Group []
IKE MM Initiator FSM error history (struct &0x3b7510c)
<state>, <event>:
MM_WAIT_MSG6, NullEvent

and here is the config of the pix:

PIX Version 6.3(4)
interface ethernet0 auto
interface ethernet1 auto
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
hostname Cisco-Firewall-VPN
domain-name pk-intern.de
clock timezone CEST 1
clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
access-list ipsec permit ip host 2xx.1xx.6x.1xx
access-list ipsec permit ip

access-list ipsec permit ip
access-list nonat permit ip any host
access-list nonat permit ip any
access-list nonat permit ip host 2xx.1xx.6x.1xx 192.168.8.xxx
access-list nonat permit ip 192.168.8.xxx
access-list outside_cryptomap_dyn_20 permit ip any host
access-list outside_cryptomap_dyn_20 permit ip any
access-list outside_cryptomap_30 permit ip
pager lines 24
mtu outside 1500
mtu inside 1500
ip address outside 2xx.1xx.6x.1xx
ip address inside 192.168.4.xx
ip audit info action alarm
ip audit attack action alarm
ip local pool EDV mask
pdm location 192.168.4.xx inside
pdm logging informational 100
pdm history enable
arp timeout 14400
global (outside) 1 2xx.1xx.6x.1xx
nat (inside) 0 access-list nonat
static (inside,outside) netmask
0 0
route outside 2xx.1xx.6x.1xx 1
timeout xlate 0:05:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server T

1. VPN connection to Cisco 3005 VPN Concentrator

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I've got a project to configure a Cisco 3005 vpn concentrator to allow
connections from the w2k builtin vpn client.

The concentrator currently has users connecting via the Cisco client
using IPSec, and authenticating against an Active Directory server.

The way I understand things is, PPTP is supported, but only without
encryption when authentication against Active Directory. And the only
other option is L2TP/IPSec, which is mutually exclusive with the
IPsec-only that's currently in use. (Have I got this all correct?)

So, the only option open here is PPTP without encryption, correct?

Is there any way to get the w2k client to do l2tp without ipsec?


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