Question

Can't establish site-to-site VPN to Cisco ASA 5505

Asked by: citnetworks

I am trying to set up a Site-to-Site VPN network. Right now I am trying to make this work in the lab. I have the Internet port on the Linksys connected directly to port 0 on the cisco which was set up as the internet port.

My setup is as follows:


Remote Site

Laptop 1 - IP Address 192.168.2.100 255.255.255.0 GW 192.168.2.1
Router 1 (Linksys BEFSX41) - LAN IP Address 192.168.2.1 255.255.255.0
   WAN IP Address 209.168.145.49 255.255.255.0 GW 209.168.145.50


Host Site

Laptop 2 - IP Address 192.168.1.100 255.255.255.0 GW 192.168.1.1
Router 2 (Cisco ASA 5505) - LAN 0 IP Address 192.168.1.1 255.255.255.0
   WAN IP Address (Port 0) 209.168.145.50 255.255.255.0


My problems:

I am using ASDM 5.2 to configure the ASA router. With the configuration I currently have my linksys is not able to establish a VPN connection. The ASA Log reported via the ASDM is:

4      May 17 2007      06:48:22      713903                   Group = 209.168.145.49, IP = 209.168.145.49, Freeing previously allocated memory for authorization-dn-attributes
6      May 17 2007      06:48:22      113009                   AAA retrieved default group policy (DfltGrpPolicy) for user = 209.168.145.49
3      May 17 2007      06:48:22      713119                   Group = 209.168.145.49, IP = 209.168.145.49, PHASE 1 COMPLETED
5      May 17 2007      06:48:22      713904                   Group = 209.168.145.49, IP = 209.168.145.49, All IPSec SA proposals found unacceptable!
3      May 17 2007      06:48:22      713902                   Group = 209.168.145.49, IP = 209.168.145.49, QM FSM error (P2 struct &0x3b521e8, mess id 0x3109df5d)!
3      May 17 2007      06:48:22      713902                   Group = 209.168.145.49, IP = 209.168.145.49, Removing peer from correlator table failed, no match!
4      May 17 2007      06:48:22      113019                   Group = 209.168.145.49, Username = 209.168.145.49, IP = 209.168.145.49, Session disconnected. Session Type: IPSecLAN2LAN, Duration: 0h:00m:00s, Bytes xmt: 0, Bytes rcv: 0, Reason: Phase 2 Mismatch
5      May 17 2007      06:48:22      713904                   IP = 209.168.145.49, Received encrypted packet with no matching SA, dropping


My linksys log is:

15:55:30 IKE[1] Tx >> MM_I1 : 209.168.145.50 SA
15:55:30 IKE[1] Rx << MM_R1 : 209.168.145.50 SA, VID
15:55:30 IKE[1] ISAKMP SA CKI=[8cf7d554 b37891b5] CKR=[849e5ab2 43742654]
15:55:30 IKE[1] ISAKMP SA 3DES / SHA / PreShared / MODP_1024 / 3600 sec (*3600 sec)
15:55:30 IKE[1] Tx >> MM_I2 : 209.168.145.50 KE, NONCE
15:55:31 IKE[1] Rx << MM_R2 : 209.168.145.50 KE, NONCE, VID, VID, VID, VID
15:55:31 IKE[1] Tx >> MM_I3 : 209.168.145.50 ID, HASH
15:55:32 IKE[1] Rx << MM_R3 : 209.168.145.50 ID, HASH
15:55:32 IKE[1] Tx >> QM_I1 : 209.168.145.50 HASH, SA, NONCE, ID, ID
15:55:32 IKE[1] Rx << Notify : NO-PROPOSAL-CHOSEN
15:55:32 IKE[1] **Check your Encryption, Authentication method and PFS settings !
15:55:32 IKE[1] Rx << Delete ISAKMP_SA : cookie 8cf7d554 b37891b5 | 849e5ab2 43742654
15:55:32 IKE[1] Tx >> Delete ISAKMP_SA : cookie 8cf7d554 b37891b5 | 849e5ab2 43742654


I also tried to create a Cisco VPN client connection using the cisco client software and connected one of the laptops directly to the internet port (port 0) on the cisco router and was not able to make a connection with that either.  I used the ASDM VPN wizard to attempt to set up both the Site-to-site as well as the remote connection scenarios. This has been unsuccessful in both instances.

The only one I am really concerned with getting to work is the site-to-site.

Here is my current cisco configuration:

ciscoasa# sh run

: Saved
:
ASA Version 7.2(2)
!
hostname ciscoasa
domain-name default.domain.invalid
enable password 8Ry2YjIyt7RRXU24 encrypted
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 192.168.1.1 255.255.255.0
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 209.168.145.50 255.255.255.0
!
interface Ethernet0/0
 switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
passwd 2KFQnbNIdI.2KYOU encrypted
ftp mode passive
dns server-group DefaultDNS
 domain-name default.domain.invalid
access-list outside_20_cryptomap extended permit ip 192.168.2.0 255.255.255.0 192.168.1.0 255.255.255.0
access-list outside_20_cryptomap extended permit ip any 192.168.2.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip 192.168.2.0 255.255.255.0 192.168.1.0 255.255.255.0
access-list outside_access_in extended permit ip 192.168.2.0 255.255.255.0 host 209.168.145.50
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
no failover
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-522.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 0.0.0.0 0.0.0.0
access-group outside_access_in in interface outside
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout uauth 0:05:00 absolute
group-policy DfltGrpPolicy attributes
 banner none
 wins-server none
 dns-server none
 dhcp-network-scope none
 vpn-access-hours none
 vpn-simultaneous-logins 3
 vpn-idle-timeout 30
 vpn-session-timeout none
 vpn-filter none
 vpn-tunnel-protocol IPSec l2tp-ipsec webvpn
 password-storage disable
 ip-comp disable
 re-xauth disable
 group-lock none
 pfs disable
 ipsec-udp disable
 ipsec-udp-port 10000
 split-tunnel-policy tunnelall
 split-tunnel-network-list none
 default-domain none
 split-dns none
 intercept-dhcp 255.255.255.255 disable
 secure-unit-authentication enable
 user-authentication enable
 user-authentication-idle-timeout 30
 ip-phone-bypass disable
 leap-bypass disable
 nem disable
 backup-servers keep-client-config
 msie-proxy server none
 msie-proxy method no-modify
 msie-proxy except-list none
 msie-proxy local-bypass disable
 nac disable
 nac-sq-period 300
 nac-reval-period 36000
 nac-default-acl none
 address-pools none
 client-firewall none
 client-access-rule none
 webvpn
  functions url-entry
  html-content-filter none
  homepage none
  keep-alive-ignore 4
  http-comp gzip
  filter none
  url-list none
  customization value DfltCustomization
  port-forward none
  port-forward-name value Application Access
  sso-server none
  deny-message value Login was successful, but because certain criteria have not been met or due to some specific group policy, you do not have permission to use any of the VPN features. Contact your IT administrator for more information
  svc none
  svc keep-installer installed
  svc keepalive none
  svc rekey time none
  svc rekey method none
  svc dpd-interval client none
  svc dpd-interval gateway none
  svc compression deflate
http server enable
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map 20 match address outside_20_cryptomap
crypto map outside_map 20 set pfs
crypto map outside_map 20 set peer 209.168.145.49
crypto map outside_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
tunnel-group 209.168.145.49 type ipsec-l2l
tunnel-group 209.168.145.49 ipsec-attributes
 pre-shared-key *
 isakmp keepalive disable
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!
dhcpd address 192.168.1.2-192.168.1.254 inside
dhcpd enable inside
!
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect rsh
  inspect rtsp
  inspect esmtp
  inspect sqlnet
  inspect skinny
  inspect sunrpc
  inspect xdmcp
  inspect sip
  inspect netbios
  inspect tftp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:f459be7cb85ffc42336750a4516128c7
: end
ciscoasa#


If anyone has any input I would greatly appreciate it. I have been through the cisco manuals as well as scouring the internet and am unable to find an answer.

Thanks.

Sean

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Asked On
2007-05-17 at 08:00:41ID22578308
Tags

asa

,

cisco

,

vpn

,

site

Topics

IPSec Security Protocol

,

Cisco PIX Firewall

,

Virtual Private Networking (VPN)

Participating Experts
1
Points
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Comments
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Answers

 

by: theeterPosted on 2007-05-17 at 09:44:29ID: 19109653

Hey, saw you over on netpro....

Get rid of these entries...
no access-list outside_20_cryptomap extended permit ip 192.168.2.0 255.255.255.0 192.168.1.0 255.255.255.0
no access-list inside_nat0_outbound extended permit ip 192.168.2.0 255.255.255.0 192.168.1.0 255.255.255.0
no access-list outside_20_cryptomap extended permit ip any 192.168.2.0 255.255.255.0

Add these...
access-list outside_20_cryptomap extended permit ip 192.168.1.0 255.255.255.0 192.168.2.0 255.255.255.0
access-list inside_nat0_outbound extended permit ip 192.168.1.0 255.255.255.0 192.168.2.0 255.255.255.0

Interesting traffic on the linksys should be 192.168.2.0 to 192.168.1.0, or the mirror of what it is on the ASA.

 

by: citnetworksPosted on 2007-05-31 at 08:13:30ID: 19188815

When I first ran the VPN wizard on the ASDM I had entered in my networks in reverse order. The second issue I had was configuration issues in my Linksys. Once I changed those two items I was able to establish the VPN.

Thanks for the help.

Sean

20120131-EE-VQP-002

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