WinXP L2TP, Linksys in Pix 6.2 - FIXED

PIX 515e 6.2 at the central office, VPN Linksys at the remote office L2L, trying to install WinXP SP3 & Vista VPN remote clients using L2TP.  First question: is it even possible, without using the Cisco VPN client or the upgrade of the Pix OS?  Second question: if it's possible, what's wrong with my current config?  The L2L VPN works fine, but when the Windows XP client attempts to connect, that's what I get:

ISAKMP (0): atts are acceptable.IPSEC(validate_proposal_request): proposal part #1,
  (key eng. msg.) dest= (PIX outside address), src= (WinXP outside address),
    dest_proxy= (PIX outside address)/255.255.255.255/17/1701 (type=1),
    src_proxy= (WinXP internal address)/255.255.255.255/17/1701 (type=1),
    protocol= ESP, transform= esp-3des esp-sha-hmac ,
    lifedur= 0s and 0kb,
    spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x0
IPSEC(validate_transform_proposal): proxy identities not supported
IPSEC(validate_proposal_request): proposal part #1,
  (key eng. msg.) dest= (PIX outside address), src= (WinXP outside address),
    dest_proxy= (PIX outside address)/255.255.255.255/17/1701 (type=1),
    src_proxy= (WinXP internal address)/255.255.255.255/17/1701 (type=1),
    protocol= ESP, transform= esp-3des esp-sha-hmac ,
    lifedur= 0s and 0kb,
    spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x0
IPSEC(validate_transform_proposal): proxy identities not supported

ISAKMP: IPSec policy invalidated proposal
ISAKMP : Checking IPSec proposal 2

6.2 (2) version PIX
Permitted connection ipsec sysopt
Sysopt connection permit-pptp
Sysopt connection permit-l2tp
Sysopt pl compatible ipsec
No sysopt route dnat

IP CO_WAN 255.255.224.0 allow Access-list sheep Remote_LAN 255.255.255.0
IP DMZ_LAN 255.255.255.0 allow Access-list sheep Remote_LAN 255.255.255.0
IP CO_LAN 255.255.255.0 allow Access-list sheep 10.100.100.0 255.255.255.0

IP pool local VPNPool 10.100.100.100 - 10.100.100.110

NAT (inside) 0 access-list sheep

Permitted connection ipsec sysopt
Sysopt connection permit-pptp
Sysopt connection permit-l2tp
Sysopt pl compatible ipsec
No sysopt route dnat

Crypto ipsec transform-set esp-3des esp-sha-hmac LINKSYS_TS
Crypto ipsec transform-set esp-3des esp-sha-hmac WINCLIENT_TS
Crypto ipsec transform-set transit mode WINCLIENT_TS
Dynamic crypto map L2TP 30 game of transformation-WINCLIENT_TS

ONLYMAP 10 ipsec-isakmp crypto map
card crypto ONLYMAP 10 correspondence address sheep
card crypto ONLYMAP 10 set pfs group2
card crypto ONLYMAP 10 set peer LINKSYS_IP
crypto ONLYMAP 10 the transform-set LINKSYS_TS value card
map ONLYMAP 600-isakmp dynamic L2TP ipsec crypto
ONLYMAP interface card crypto outside

ISAKMP allows outside
ISAKMP key * address LINKSYS_IP netmask 255.255.255.255
ISAKMP key * address 0.0.0.0 netmask 0.0.0.0
ISAKMP identity address

part of pre authentication ISAKMP policy 10
ISAKMP policy 10 3des encryption
ISAKMP policy 10 sha hash
10 2 ISAKMP policy group
ISAKMP life duration strategy 10 86400

part of pre authentication ISAKMP policy 20
ISAKMP policy 20 3des encryption
ISAKMP policy 20 chopping sha
20 2 ISAKMP policy group
ISAKMP duration strategy of life 20 28800

VPDN group WINCLIENTS accept l2tp call
VPDN group ppp authentication pap WINCLIENTS
VPDN group WINCLIENTS client configuration address local VPNPool
VPDN group WINCLIENTS customer DNS_IP dns configuration
VPDN group customer WINCLIENTS of local authentication
VPDN Hello 60 of the l2tp tunnel of the WINCLIENTS group
VPDN username username password *.
VPDN allow outside

Furthermore, I don't play with this old code of 6.2. If it does not support NAT - T and the customer is behind the NAT device, it could cause the problem. Some NAT device has the VPN-passthrough feature, you can turn it on and try.

Tags: Cisco Security

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    : Saved
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    crypto map outside_map 80 match address outside_cryptomap_80
    crypto map outside_map 80 set peer OakurstPublicIP
    crypto map outside_map 80 set transform-set ESP-DES-MD5
    crypto map outside_map 100 ipsec-isakmp
    crypto map outside_map 100 match address outside_cryptomap_100
    crypto map outside_map 100 set peer xxx.xxx.174.234
    crypto map outside_map 100 set transform-set ESP-DES-MD5
    crypto map outside_map 120 ipsec-isakmp
    crypto map outside_map 120 match address outside_cryptomap_120
    crypto map outside_map 120 set peer MaderaPublicIP
    crypto map outside_map 120 set transform-set ESP-DES-MD5
    crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
    crypto map outside_map interface outside
    isakmp enable outside
    isakmp key ******** address xxx.xxx.141.217 netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address ClovisPublicIP netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address xxx.xxx.64.82 netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address xxx.xxx.67.172 netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address OakurstPublicIP netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address xxx.xxx.24.157 netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address xxx.xxx.174.234 netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address xxx.xxx.88.137 netmask 255.255.255.255
    isakmp key ******** address MaderaPublicIP netmask 255.255.255.255 no-xauth no-config-mode
    isakmp key ******** address xxx.xxx.109.202 netmask 255.255.255.255 no-xauth no-config-mode
    isakmp policy 20 authentication pre-share
    isakmp policy 20 encryption des
    isakmp policy 20 hash md5
    isakmp policy 20 group 2
    isakmp policy 20 lifetime 86400
    isakmp policy 40 authentication pre-share
    isakmp policy 40 encryption 3des
    isakmp policy 40 hash md5
    isakmp policy 40 group 2
    isakmp policy 40 lifetime 86400
    vpngroup FMLREASYVPN address-pool VPNDHCP
    vpngroup FMLREASYVPN dns-server 192.168.38.3
    vpngroup FMLREASYVPN idle-time 1800
    vpngroup FMLREASYVPN password ********
    vpngroup Brevium address-pool VPNDHCP
    vpngroup Brevium dns-server 192.168.38.3
    vpngroup Brevium idle-time 1800
    vpngroup Brevium password ********
    telnet 192.168.38.0 255.255.255.0 inside
    telnet TomJ 255.255.255.0 inside
    telnet timeout 5
    ssh Integrity 255.255.255.255 outside
    ssh 99.15.109.202 255.255.255.255 outside
    ssh timeout 5
    management-access inside
    console timeout 0
    vpdn group PPTP-VPDN-GROUP accept dialin pptp
    vpdn group PPTP-VPDN-GROUP ppp authentication chap
    vpdn group PPTP-VPDN-GROUP ppp authentication mschap
    vpdn group PPTP-VPDN-GROUP ppp encryption mppe auto
    vpdn group PPTP-VPDN-GROUP client configuration address local VPNDHCP
    vpdn group PPTP-VPDN-GROUP client configuration dns 192.168.38.3
    vpdn group PPTP-VPDN-GROUP pptp echo 60
    vpdn group PPTP-VPDN-GROUP client authentication local
    vpdn username admin password *********
    vpdn username tonette password *********
    vpdn username rosie password *********
    vpdn username cts password *********
    vpdn username MaderaFMLR password *********
    vpdn username ruth password *********
    vpdn username fogg password *********
    vpdn username lanier password *********
    vpdn username lanier2 password *********
    vpdn username justin password *********
    vpdn username mike password *********
    vpdn username heather password *********
    vpdn username Brevium password *********
    vpdn username jeremiah password *********
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    dhcpd lease 3600
    dhcpd ping_timeout 750
    dhcpd auto_config outside
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    terminal width 80
    Cryptochecksum:******************************
    : end
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    Type of local Security group: subnet
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    IP address: 66.192.xxx.xxx
    Security remote control unit Type: subnet
    IP address: 192.168.21.0
    Subnet mask: 255.255.255.0

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    Input mode: IKE with preshared key
    Group Diffie-Hellman phase 1: group2
    Phase 1 encryption: 3DES
    Authentication of the phase 1: SHA1
    Life of ITS phase 1: 86400
       
    Phase2 encryption: 3DES
    Phase2 authentication: SHA1
    Phase2 life expectancy: 3600 seconds
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    Hi all

    I'm trying to implement a solution on my FW PIX (pix804 - 24.bin) to be able to support a VPN L2L session with VPN dynamic user sessions where clients will use a mix of IPSEC(Nat detection) and L2TP. We have always supported things IPSEC and that worked great for many years. I'm now trying to Add L2TP support, so that I can support Android phones/ipads, etc. as well as Windows with built in VPN l2tp clients clients. Everything works well except for the new features of L2TP. Allows you to complete one phase but then tries to use the card encryption that is used for the VPN L2L. It seems to fail because IP addresses are not in the configured ACL to the crypto-map L2L. Does anyone know if there are any questions all these configurations support both. And if not can you see what I have wrong here, which would make it not work. Here are the relevant training:

    C515 - A # sh run crypto
    Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
    Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
    Crypto ipsec transform-set of society-ras-esp-3des esp-md5-hmac
    Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
    Crypto ipsec transform-set esp-3des esp-sha-hmac company-l2tp
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    Crypto ipsec kilobytes of life - safety 4608000 association
    Dynamic crypto map company-ras 1 correspondence address company-dynamic
    company Dynamics-card crypto-ras 1 set pfs
    Dynamic crypto map company-ras 1 transform-set ESP-SHA-3DES ESP-3DES-MD5 company-ras
    Dynamic crypto map company-ras 1 lifetime of security association set seconds 28800
    company Dynamics-card crypto-ras 1 kilobytes of life together - the association of safety 4608000
    crypto dynamic-map-ras company 2 address company-dynamic game
    crypto dynamic-map company-ras 2 transform-set of society-l2tp
    crypto dynamic-map company-ras 2 set security association lifetime seconds 28800
    company Dynamics-card crypto-ras 2 kilobytes of life together - the association of safety 4608000
    card crypto company-map 1 correspondence address company-colo
    card crypto company-card 1 set pfs
    card crypto company-card 1 set counterpart colo-pix-ext
    card crypto card company 1 value transform-set ESP-3DES-MD5 SHA-ESP-3DES
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    card company-card 1 set security-association life crypto kilobytes 4608000
    company-card 1 set nat-t-disable crypto card
    company-card 2 card crypto ipsec-isakmp dynamic company-ras
    business-card interface card crypto outside
    crypto isakmp identity address
    crypto ISAKMP allow outside

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    crypto ISAKMP policy 1
    preshared authentication
    3des encryption
    sha hash
    Group 2
    life 86400
    crypto ISAKMP policy 2
    preshared authentication
    3des encryption
    md5 hash
    Group 2
    life 86400
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    Group-LOCAL radius authentication server
    Group Policy - by default-l2tp
    IPSec-attributes tunnel-group DefaultRAGroup
    pre-shared-key *.
    tunnel-group DefaultRAGroup ppp-attributes
    PAP Authentication
    No chap authentication
    ms-chap-v2 authentication
    eap-proxy authentication
    type tunnel-group company-ras remote access
    tunnel-group global company-ras-attributes
    company-ras address pool
    Group-LOCAL radius authentication server
    tunnel-group company-ras ipsec-attributes
    pre-shared-key *.
    type tunnel-group company-admin remote access
    attributes global-tunnel-group company-admin
    company-admin address pool
    Group-LOCAL radius authentication server
    company strategy-group-by default-admin
    IPSec-attributes of tunnel-group company-admin
    pre-shared-key *.
    PPP-attributes of tunnel-group company-admin
    No chap authentication
    ms-chap-v2 authentication
    tunnel-group x.x.x.x type ipsec-l2l
    tunnel-group ipsec-attributes x.x.x.x
    pre-shared-key *.
    ISAKMP keepalive retry threshold 15 10
    C515 - A # sh run Group Policy
    attributes of Group Policy DfltGrpPolicy
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    Protocol-tunnel-VPN IPSec
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    Split-tunnel-policy tunnelspecified
    Split-tunnel-network-list value company-SPLIT-TUNNEL-ACL
    company.int value by default-field
    NAC-parameters DfltGrpPolicy-NAC-framework-create value
    internal strategy of company-admin group
    attributes of the strategy of company-admin group
    WINS server no
    DHCP-network-scope no
    VPN-access-hour no
    VPN - 20 simultaneous connections
    VPN-idle-timeout 30
    VPN-session-timeout no
    Protocol-tunnel-VPN IPSec l2tp ipsec
    disable the IP-comp
    Re-xauth disable
    Group-lock no
    enable PFS
    Split-tunnel-network-list value company-ADMIN-SPLIT-TUNNEL-ACL
    L2TP strategy of Group internal
    Group l2tp policy attributes
    Server DNS 10.10.10.20 value 10.10.10.21
    Protocol-tunnel-VPN l2tp ipsec
    disable the PFS
    Split-tunnel-policy tunnelall
    company.int value by default-field
    NAC-parameters DfltGrpPolicy-NAC-framework-create value

    Relevant debug output

    C515 - Has # Sep 03 02:09:33 [IKEv1 DEBUG]: IP = 66.25.14.195, Oakley proposal is acceptable
    Sep 03 02:09:33 [IKEv1 DEBUG]: IP = 66.25.14.195, IKE Peer included IKE fragmentation capability flags: Main Mode: real aggressive Mode: false
    Sep 03 02:09:33 [IKEv1 DEBUG]: IP = 66.25.14.195, IKE SA proposal # 1, turn # 1 entry IKE acceptable Matches # 3 overall
    Sep 03 02:09:33 [IKEv1]: IP = 66.25.14.195, connection landed on tunnel_group DefaultRAGroup
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, status of automatic NAT detection: remote endpoint IS behind a NAT device this end is NOT behind a NAT device
    Sep 03 02:09:33 [IKEv1]: IP = 66.25.14.195, connection landed on tunnel_group DefaultRAGroup
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, previously allocated memory of liberation for permission-dn-attributes
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, PHASE 1 COMPLETED
    Sep 03 02:09:33 [IKEv1]: IP = 66.25.14.195, for this connection Keep-alive type: None
    Sep 03 02:09:33 [IKEv1]: IP = 66.25.14.195, Keep-alives configured on, but the peer does not support persistent (type = None)
    Sep 03 02:09:33 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 66.25.14.195, timer to generate a new key to start P1: 21600 seconds.
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, data received in payload ID remote Proxy Host: address 172.16.0.104 17 of the Protocol, Port 0
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, data received in payload ID local Proxy Host: address x.x.x.x, 17 of the Protocol, Port 1701
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, detected L2TP/IPSec session.
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, QM IsRekeyed its not found old addr
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, static check card Crypto, check card company card, seq = 1 =...
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, static check card Crypto card = company-map, seq = 1, ACL does not proxy IDs src:66.25.14.195 dst: x.x.x.x
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, tunnel IPSec rejecting: no entry for crypto for proxy card proxy remote 66.25.14.195/255.255.255.255/17/0 local x.x.x.x/255.255.255.255/17/1701 on the outside interface
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, error QM WSF (P2 struct & 0x501c1f0, mess id 0xa181b866).
    Sep 03 02:09:33 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 66.25.14.195, case of mistaken IKE responder QM WSF (struct & 0x501c1f0) , : QM_DONE EV_ERROR--> QM_BLD_MSG2 EV_NEGO_SA--> QM_BLD_MSG2, EV_IS_REKEY--> QM_BLD_MSG2, EV_CONFIRM_SA--> QM_BLD_MSG2, EV_PROC_MSG--> QM_BLD_MSG2, EV_HASH_OK--> QM_BLD_MSG2, NullEvent--> QM_BLD_MSG2, EV_COMP_HASH
    Sep 03 02:09:33 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, peer table correlator Removing failed, no match!
    Sep 03 02:09:33 [IKEv1]: ignoring msg SA brand with Iddm 204910592 dead because ITS removal
    Sep 03 02:10:05 [IKEv1 DEBUG]: IP = 66.25.14.195, Oakley proposal is acceptable
    Sep 03 02:10:05 [IKEv1 DEBUG]: IP = 66.25.14.195, IKE Peer included IKE fragmentation capability flags: Main Mode: real aggressive Mode: false
    Sep 03 02:10:05 [IKEv1 DEBUG]: IP = 66.25.14.195, IKE SA proposal # 1, turn # 1 entry IKE acceptable Matches # 3 overall
    Sep 03 02:10:05 [IKEv1]: IP = 66.25.14.195, connection landed on tunnel_group DefaultRAGroup

    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, status of automatic NAT detection: remote endpoint IS behind a NAT device this end is NOT behind a NAT device
    Sep 03 02:10:05 [IKEv1]: IP = 66.25.14.195, connection landed on tunnel_group DefaultRAGroup
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, previously allocated memory of liberation for permission-dn-attributes
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, PHASE 1 COMPLETED
    Sep 03 02:10:05 [IKEv1]: IP = 66.25.14.195, for this connection Keep-alive type: None
    Sep 03 02:10:05 [IKEv1]: IP = 66.25.14.195, Keep-alives configured on, but the peer does not support persistent (type = None)
    Sep 03 02:10:05 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 66.25.14.195, timer to generate a new key to start P1: 21600 seconds.
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, data received in payload ID remote Proxy Host: address 172.16.0.104 17 of the Protocol, Port 0
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, data received in payload ID local Proxy Host: address x.x.x.x, 17 of the Protocol, Port 1701
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, detected L2TP/IPSec session.
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, QM IsRekeyed its not found old addr
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, static check card Crypto, check card company card, seq = 1 =...
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, static check card Crypto card = company-map, seq = 1, ACL does not proxy IDs src:66.25.14.195 dst: x.x.x.x
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, tunnel IPSec rejecting: no entry for crypto for proxy card proxy remote 66.25.14.195/255.255.255.255/17/0 local x.x.x.x/255.255.255.255/17/1701 on the outside interface
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, error QM WSF (P2 struct & 0x501c1f0, mess id 0xa5db9562).
    Sep 03 02:10:05 [IKEv1 DEBUG]: Group = DefaultRAGroup, IP = 66.25.14.195, case of mistaken IKE responder QM WSF (struct & 0x501c1f0) , : QM_DONE EV_ERROR--> QM_BLD_MSG2 EV_NEGO_SA--> QM_BLD_MSG2, EV_IS_REKEY--> QM_BLD_MSG2, EV_CONFIRM_SA--> QM_BLD_MSG2, EV_PROC_MSG--> QM_BLD_MSG2, EV_HASH_OK--> QM_BLD_MSG2, NullEvent--> QM_BLD_MSG2, EV_COMP_HASH
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, peer table correlator Removing failed, no match!
    Sep 03 02:10:05 [IKEv1]: ignoring msg SA brand with Iddm 204914688 dead because ITS removal

    The outputs of two debugging who worry are the following:

    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, data received in payload ID remote Proxy Host: address 172.16.0.104 17 of the Protocol, Port 0
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, data received in payload ID local Proxy Host: address x.x.x.x, 17 of the Protocol, Port 1701

    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, static check card Crypto, check card company card, seq = 1 =...
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, static check card Crypto card = company-map, seq = 1, ACL does not proxy IDs src:66.25.14.195 dst: x.x.x.x
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, tunnel IPSec rejecting: no entry for crypto for proxy card proxy remote 66.25.14.195/255.255.255.255/17/0 local x.x.x.x/255.255.255.255/17/1701 on the outside interface
    Sep 03 02:10:05 [IKEv1]: Group = DefaultRAGroup, IP = 66.25.14.195, error QM WSF (P2 struct & 0x501c1f0, mess id 0xa5db9562).

    This seems to indicate that his NAT detection but then do not assign to the entry card cryptography because networks are encrypted are not in the configured ACL that is true. He needs to use dynamic input and it doesn't seem to be.

    I need to create another dynamic map entry to make it work instead of add lines to the same dynamic with a lower (higher) priority map entry?

    Thanks in advance for any help here.

    Hello

    That won't do the trick, l2tp clients are picky kindda, so you know if they do not hit the correct strategy first they just stop trying. Follow these steps:

    correspondence from the company of dynamic-map crypto-ras 1 address company-dynamic

    No crypto-card set pfs dynamic company-ras 1

    No crypto dynamic-map company-ras-1 transform-set ESP-SHA-3DES ESP-3DES-MD5 company-ras

    Dynamic crypto map company-ras 1 transform-set company-l2tp SHA-ESP-3DES ESP-3DES-MD5 company-ras

    The foregoing will not affect existing customers of IPsec at all, these clients will not use the statement of pfs and will link even if the correspondence address is not configured (it is optional), besides Cisco IPsec clients will be affected first the mode of transport policy and fail however they will continue to try and hit another police PH2.

    Regarding your last question, I was referring specifically to the support of l2tp for android, and Yes, you will need to run one of these versions.

    http://www.Cisco.com/en/us/docs/security/ASA/asa82/release/notes/asarn82.html#wp431562

    Tavo-

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