S2S VPN ASA5520 and PIX501

Similar Questions

• ASA 5510: beat s2s VPN

  Hi all

  I have a VPN of n-star with 5510 boxes in several places.

  Users complaining that s2s links are beat from time to time for both places.

  Here's the log output for the moments where the links are torn down:

  First spoke:

  07/07/2010-20:17:09 Local4.Notice % 713259-5-ASA: group = , IP = , Session is to be demolished. Reason: The user has requested
  07/07/2010-20:17:09 Local4.Notice % 5-ASA-713050: group = , IP = , missed connection for peer .  Reason: terminate Peer  Remote proxy 10.3.0.0 Proxy Local 172.16.100.0

  Second spoke:

  07/07/2010-18:34:45 Local4.Notice % 713259-5-ASA: group = , IP = , Session is to be demolished. Reason: Idle Timeout

  07/07/2010-18:34:45 Local4.Notice % 5-ASA-713050: group = , IP = , missed connection for peer .  Reason: IPSec SA time-out  Remote proxy 10.5.0.0, Proxy Local 172.16.100.0

  I think the bold text is the reason. But I don't know why a connection stop remote site1 and why to site2 is timeouts.

  I have HIS lifitime for 24h\4Gb to each ASA and the volume of traffic or time never pass in this case, KeepAlive is enabled to the ASA hub as well. I see a number or a "spacing" all day with the same reasons for termination that I presented above. Anyone has a suggestion or idea why s2s VPN are hinged and how make them more stable even if the traffic is not flowing throughout.

  Thanks in advance.

  Sergey,

  No matter how lucky you have vpn time-out configured on one of the sides (it may be in default group policy perhaps?)  (see the race from all political group | I vpn)

  "IPSec SA time-out"

  HTH,

  Marcin

• ASA - s2s vpn with dynamic ip - Dungeon tunnel upward

  Hi guys,.

  We want to set up a vpn between our central asa5520, and a new branch office asa5505 with dynamic public ip address.

  This type of configuration is supported, but the tunnel can only be initiated from the asa distance (the asa central do not know how to reach the asa remote).

  prove that on this vpn also transit traffic voice, we must always maintain the tunnel.

  A solution would be to have a kind of continuous ping from the remote office to the central office... is more 'professional' wat to reach our goal?

  Thank you.

  Try, 'management-access to the inside' of the asa and ping

• ASA5520 and RV042

  Hello

  I configured ASA5520 and RV042 for IPSec VPN tunnel site-to-site.

  Get tunnel only connected, but no ping, no traffic between the two networks to end.

  Network:

  =======

  192.168.113.0/24---192.168.113.6 - ASA - IP address public, static - Cisco 2821 - Internet

  192.168.10.0/24---192.168.10.1-RV042---Adresse IP public, static - Cisco 2821 - Internet

  ASA5520 config:

  ----------------------

  name of 192.168.10.0 VPN

  !

  interface GigabitEthernet0/1

  NET nameif

  security-level 100

  IP 192.168.113.6 255.255.255.0

  !

  access extensive list ip VPN 255.255.255.0 com_cryptomap allow 192.168.113.0 255.255.255.0

  access extensive list ip 192.168.113.0 com_nat_outbound allow VPN 255.255.255.0 255.255.255.0

  card crypto com_map0 1 match address com_cryptomap

  card crypto com_map0 1 set counterpart x.x.x.x

  com_map0 card crypto 1jeu transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5

  com_map0 map 1jeu phase 1-mode crypto aggressive

  com_map0 card crypto of com interface

  crypto ISAKMP enable com

  crypto ISAKMP policy 5

  preshared authentication

  3des encryption

  sha hash

  Group 2

  life 86400

  crypto ISAKMP policy 10

  preshared authentication

  the Encryption

  sha hash

  Group 2

  life 86400

  attributes of Group Policy DfltGrpPolicy

  Protocol-tunnel-VPN IPSec

  IPSec-attributes tunnel-group DefaultL2LGroup

  NOCHECK Peer-id-validate

  tunnel-group x.x.x.x type ipsec-l2l

  tunnel-group ipsec-attributes x.x.x.x

  pre-shared key *.

  NOCHECK Peer-id-validate

  !

  RV042 Setup is very simple.

  No particular reason or config missing?

  Crypto ACL on the SAA has been configured in the reverse.

  Currently, we have:

  access extensive list ip VPN 255.255.255.0 com_cryptomap allow 192.168.113.0 255.255.255.0

  It should be:

  access extensive list ip 192.168.113.0 com_cryptomap allow VPN 255.255.255.0 255.255.255.0

  Disable the tunnel after the changes and let us know how it goes.

  Please let us know the output of the following if it still does not:

  See the isa scream his

  See the ipsec scream his

• LAN-to-LAN tunnel between VPN 3000 and Cisco 1721

  Hello

  I have a current LAN-to-LAN tunnel configuration between VPN 3000 (3.6) and Cisco 1721 (12.2 (11) T).

  When I use the encryption = authentication and Des-56 = ESP\MD5\HMAC-128 for the IPSec Security Association, everything works fine.

  However, I would like to Turn off encryption for some time getting the speed improvements, so I changed

  Encryption = null esp (in 1721) and to "null" in VPN-3000.

  Now the tunnel is setup but I can spend only ICMP traffic. When I pass the traffic UDP\TCP the message below appears the Cisco 1721

  % C1700_EM-1-ERROR: error in packet-rx: pad size error, id 75, hen offset 0

  Has anyone seen this behavior?

  All those put in place an IPSec Tunnel with only the ESP authentication and NO encryption between VPN-3000 and Cisco 1721?

  Thanx------Naman

  Naman,

  Disable you the vpn Accelerator? "no accel crypto engine. Sure that you can't do with a null module vpn.

  Kurtis Durrett

• I have created a VPN connection and it worked but you can't see how to remove Windows 7.

  Delete the VPN connection

  I have created a VPN connection and it worked but you can't see how to remove Windows 7.  I tried rt-click but no delete option.

  Open network and sharing Center. On the left side, click on change adapter settings. You will get all VPN connections that have been created and you can delete what you don't need.

• ASA VPN server and vpn client router 871

  Hi all

  I have ASA 5510 as simple VPN server and 871 router as simple VPN client. I want to have the user ID and permanent password on 871 and not to re - enter username and password since 871 uses dynamic IP address and every time I have to ' cry ipsec client ezvpn xauth "and type user name and password.

  any suggestions would be much appreciated.

  Thank you

  Alex

  Do "crypto ipsec client ezvpn show ' on 871, does say:

  ...

  Save password: refused

  ...

  ezVPN server dictates the client if it can automatically connect with saved password.

  Set "enable password storage" under the group policy on the ASA.

  Kind regards

  Roman

• Cisco VPN Client and Windows XP VPN Client IPSec to ASA

  I configured ASA for IPSec VPN via Cisco VPN Client and XP VPN client communications. I can connect successfully with Cisco VPN Client, but I get an error when connecting with the XP client. Debugging said "misconfigured groups and transport/tunneling mode" I know, they use different methods of transport and tunneling, and I think that I have configured both. Take a look at the config.

  PS a funny thing - when I connect with client VPN in Windows Server 2003, I have no error. The only difference is that client XP is behind an ADSL router and client server is directly connected to the Internet on one of its public IP of interfaces. NAT in the case of XP can cause problems?

  Config is:

  !

  interface GigabitEthernet0/2.30

  Description remote access

  VLAN 30

  nameif remote access

  security-level 0

  IP 85.*. *. 1 255.255.255.0

  !

  access-list 110 scope ip allow a whole

  NAT list extended access permit tcp any host 10.254.17.10 eq ssh

  NAT list extended access permit tcp any host 10.254.17.26 eq ssh

  access-list extended ip allowed any one sheep

  access list nat-ganja extended permit tcp any host 10.254.17.18 eq ssh

  sheep-vpn access-list extended permits all ip 192.168.121.0 255.255.255.0

  tunnel of splitting allowed access list standard 192.168.121.0 255.255.255.0

  flow-export destination inside-Bct 192.168.1.27 9996

  IP local pool raccess 192.168.121.60 - 192.168.121.120 mask 255.255.255.0

  ARP timeout 14400

  global (outside-Baku) 1 interface

  global (outside-Ganja) interface 2

  NAT (inside-Bct) 0 access-list sheep-vpn

  NAT (inside-Bct) 1 access list nat

  NAT (inside-Bct) 2-nat-ganja access list

  Access-group rdp on interface outside-Ganja

  !

  Access remote 0.0.0.0 0.0.0.0 85.*. *. 1 2

  Route outside Baku 10.254.17.24 255.255.255.248 10.254.17.10 1

  Route outside Baku 192.1.1.0 255.255.255.0 10.254.17.10 1

  Outside-Baku route 192.168.39.0 255.255.255.0 10.254.17.10 1

  Route outside-Ganja 192.168.45.0 255.255.255.0 10.254.17.18 1

  Route outside-Ganja 192.168.69.0 255.255.255.0 10.254.17.18 1

  Route outside-Ganja 192.168.184.0 255.255.255.0 10.254.17.18 1

  Route outside Baku 192.168.208.16 255.255.255.240 10.254.17.10 1

  Route outside-Ganja 192.168.208.112 255.255.255.240 10.254.17.18 1

  dynamic-access-policy-registration DfltAccessPolicy

  Crypto ipsec transform-set esp-3des esp-md5-hmac RIGHT

  Crypto ipsec transform-set newset aes - esp esp-md5-hmac

  Crypto ipsec transform-set esp-3des esp-md5-hmac vpnclienttrans

  Crypto ipsec transform-set vpnclienttrans transport mode

  Crypto ipsec transform-set esp-3des esp-md5-hmac raccess

  life crypto ipsec security association seconds 214748364

  Crypto ipsec kilobytes of life security-association 214748364

  raccess 1 set transform-set vpnclienttrans crypto dyn1 dynamic-map

  vpnclientmap 30 card crypto ipsec-isakmp dynamic dyn1

  card crypto interface for remote access vpnclientmap

  crypto isakmp identity address

  ISAKMP crypto enable vpntest

  ISAKMP crypto enable outside-Baku

  ISAKMP crypto enable outside-Ganja

  crypto ISAKMP enable remote access

  ISAKMP crypto enable Interior-Bct

  crypto ISAKMP policy 30

  preshared authentication

  3des encryption

  md5 hash

  Group 2

  life 86400

  No encryption isakmp nat-traversal

  No vpn-addr-assign aaa

  Telnet timeout 5

  SSH 192.168.1.0 255.255.255.192 outside Baku

  SSH 10.254.17.26 255.255.255.255 outside Baku

  SSH 10.254.17.18 255.255.255.255 outside Baku

  SSH 10.254.17.10 255.255.255.255 outside Baku

  SSH 10.254.17.26 255.255.255.255 outside-Ganja

  SSH 10.254.17.18 255.255.255.255 outside-Ganja

  SSH 10.254.17.10 255.255.255.255 outside-Ganja

  SSH 192.168.1.0 255.255.255.192 Interior-Bct

  internal vpn group policy

  attributes of vpn group policy

  value of DNS-server 192.168.1.3

  Protocol-tunnel-VPN IPSec l2tp ipsec

  Split-tunnel-policy tunnelspecified

  Split-tunnel-network-list value split tunnel

  BCT.AZ value by default-field

  attributes global-tunnel-group DefaultRAGroup

  raccess address pool

  Group-RADIUS authentication server

  Group Policy - by default-vpn

  IPSec-attributes tunnel-group DefaultRAGroup

  pre-shared-key *.

  Hello

  For the Cisco VPN client, you would need a tunnel-group name configured on the ASA with a pre-shared key.

  Please see configuration below:

  http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a00805734ae.shtml

  or

  http://tinyurl.com/5t67hd

  Please see the section of tunnel-group config of the SAA.

  There is a tunnel-group called "rtptacvpn" and a pre-shared key associated with it. This group name is used by the VPN Client Group name.

  So, you would need a specific tunnel-group name configured with a pre-shared key and use it on the Cisco VPN Client.

  Secondly, because you are behind a router ADSL, I'm sure that's configured for NAT. can you please activate NAT - T on your ASA.

  "crypto isakmp nat-traversal.

  Thirdly, change the transformation of the value

  raccess 1 set transform-set vpnclienttrans crypto dyn1 dynamic-map

  Let me know the result.

  Thank you

  Gilbert

• NAT VPN tunnel and still access Internet traffic

  Hello

  Thank you in advance for any help you can provide.

  I have a server with the IP 192.168.1.9 that needs to access a subnet remote from 192.168.50.0/24, through the Internet.  However, before the server can access the remote subnet, the server IP must be NAT'ed to 10.1.0.1 because the VPN gateway remote (which is not under my control) allows access to other customers who have the same subnet address that we do on our local network.

  We have a 2801 Cisco (running c2801-advsecurityk9 - mz.124 - 15.T9.bin) set up to make the NAT.  It is the only gateway on our network.

  I have configured the Cisco 2801 with the following statements of NAT and the relevant access lists:

  access-list 106 allow host ip 192.168.1.9 192.168.50.0 0.0.0.255

  NAT extended IP access list
  refuse the host ip 192.168.1.9 192.168.50.0 0.0.0.255
  deny ip 192.168.1.0 0.0.0.255 192.168.3.0 0.0.0.255
  ip permit 192.168.1.0 0.0.0.255 any

  route allowed ISP 10 map
  corresponds to the IP NAT

  IP nat EMDVPN 10.1.0.1 pool 10.1.0.1 netmask 255.255.255.0
  IP nat inside source list 106 pool EMDVPN
  IP nat inside source map route ISP interface FastEthernet0/1 overload

  When the server (192.168.1.9) attempts to ping on the subnet of 192.168.50.0/24 devices, the VPN tunnel is established successfully.  However, after that, the server is no longer able to access the Internet because the NAT translation for 192.168.1.9 has changed since the external IP address of the router (FastEthernet0/1) at 10.1.0.1.

  The documentation I've seen on the site of Cisco says that this type of Setup allows only host subnet communication.  Internet access is not possible.  However, maybe I missed something, or one of you experts can help me.  Is it possible to configure the NAT router traffic destined to the VPN tunnel and still access the Internet by using the dynamic NAT on FastEthernet0/1?

  Once again, thank you for any help you can give.

  Alex

  Hello

  Rather than use a pool for NAT

  192.168.1.9 - 10.1.0.1 > 192.168.50.x

  ACL 102 permit ip 192.168.1.9 host 192.168.50.0 0.0.0.255

  RM-STATIC-NAT route map permit 10
  corresponds to the IP 102

  IP nat inside source static 192.168.1.9 10.1.0.1 card expandable RM-STATIC-NAT route

  ACL 101 deny host ip 192.168.1.9 192.168.50.0 0.0.0.255
  ACL 101 by ip 192.168.1.0 0.0.0.255 any
  overload of IP nat inside source list 101 interface FastEthernet0/1

  VPN access list will use the source as 10.1.0.1... *.

  Let me know if it works.

  Concerning

  M

• VPN client and contradictory static NAT entries

  Hello, we have a VPN IPSEC implemented on a router for remote access. It works very well, for the most part. We have also a few PAT static entries to allow access to a web server, etc. from the outside. We deny NATting from the range of IP addresses for the range of VPN client and it works except for entries that also have PAT configurations.

  So, for example, we have web server 10.0.0.1 and a PAT redirection port 10.0.0.1: 80 to the IP WAN port 80. If a VPN client tries to connect to 10.0.0.1: 80, the syn - ack packet back to the customer WAN IP VPN on the router! If the VPN client connects to the RDP server 10.0.0.2:3389, it works very well that this server is not a static entry PAT.

  Is there a way to get around this?

  Thank you!

  There is a way to get around, use the same settings you have for your dynamic nat in your nat staitc entries, something like this:

  Currently, it should show as:

  IP nat inside source static XXXXX XXXX 80 80

  you need to take it

  IP nat inside source static 80 XXXX XXXX 80 map route AAAA

  When your itinerary map YYY refers to something with an acl that you refuse traffic from inside your router for the pool of vpn

  IP Access-list ext nonat

  deny ip 10.0.0.0 0.0.0.255

  Licensing ip 10.0.0.0 0.0.0.255 any

  route allowed AAAA 10 map

  match ip address sheep

  You even need all the static PAT

  HTH

  Ivan

• PIX, VPN, PAT and static

  I want to activate an incoming and outgoing VPN on a PIX configured with PAT. I enabled ESP and UDP/500 on the appropriate access to the lists, but must provide a static for inbound traffic. I already use a static for incoming SMTP traffic, and I don't see how to do the same thing for udp/500, but how do I ESP traffic?

  Any suggestions gratefully received.

  If you are referring to a static port, you can create one for ESP since static port can only be created for TCP/UDP and ESP is located just above the intellectual property, it is NOT a TCP/UDP protocol. You will need to create a one-to-one static for this internal VPN server and have your clients to connect to this address. This will chew global IP address to another one, sorry.

• 8.3 (1) ASA Cisco VPN Client and IP Communicator - one-way communication

  Community salvation.

  I have a strange problem with my setup and I'm sure it's either some type of routing (or NAT) or just missing one rule allows traffic. But I'm now at a point where I would like to ask your help.

  I have a few users remote access that have the Cisco IP Communicator (CICC) application installed on their laptops. So:

  The VPN with CPIC user <> ASA Firewall <> router voice <> MAC <> IP phone

  The VPN works fine for all other traffic. The connection of basis for the IP Communicator works well. He get is connected to the CallManager, is shown as registered and you can even call an internal phone and also external phones. BUT: while you can hear the called party (if the phone internal) it does not work for the other direction. There is no sound from the remote/appellant.

  I already understood that it is also not possible to ping from the phone VPN to the internal subnet IP phone. While the VPN user can ping any other device in the network internal, he cannot do for Cisco IP phones. But if the VPN phone calls a phone no-internal (mobile...) - it works!

  My thought is that the call cannot be build up properly between the VPN phone and the internal phone.

  I found similar situations with google, but they are all for the reverse: call for internal works, but not for VPN.

  What do you think?

  Hello

  Usually ASA lists specific to the customer networks VPN Split Tunnel runs.

  This would mean that there is a Split Tunnel ACL used in configurations of the SAA for this VPN connection that needs to have the missing network added to the VPN connection traffic.

  -Jouni

• Client VPN Cisco and Cisco Secure

  Cisco VPN client and the VPN from Cisco Secure client free to use with pix firewall software?

  Thank you.

  Hello

  If you have a valid contract to Cisco and you can get the following link:

  http://www.Cisco.com/Kobayashi/SW-Center/SW-VPN.shtml

  with your CCO login, then you should be able to use these customers at no cost because they are already covered by the contract.

  Thank you and best regards,

  Abdelouahed

  -=-=-

• How to configure IKE with RSA without this Protocol between 1760 and PIX501?

  Hello

  I have a question about authentication with RSA - SIG IKE between 1760 router and PIX501 without AC.

  .

  I found a URL between routers, but not for PIX. do I need third-party CA (public or internal) in the PIX?

  http://www.Cisco.com/warp/public/707/18.html

  .

  Please correct me if I am wrong or the return URL.

  .

  Thank you

  RSA - enc is available for IOS routers, PIX will support certificate or key pré-partagées, you might want to look at this example with a MS CA:

  http://www.Cisco.com/warp/public/707/lan_to_lan_ipsec_pix_rtr_cert.html

• The remote VPN Clients and Internet access

  I apologize in advance if this question has already been addressed. I am currently using a PIX Firewall Version 6.1 520 (2) running. I have several remote users that VPN for the PIX. Once the VPN tunnel is started, they are more able to connect to internet from their local computers. Is there a configuation on the PIX that allows remote users to have access to the internet when you are connected to the PIX.

  TIA,

  Jeff Gulick

  The Pix does not allow traffic enter and exit on the same interface. Therefore, a VPN user cannot access the Internet through the tunnel. If you use the Cisco client, enable tunneling split so that all traffic through the tunnel.

  If you use PPTP, you can turn off the option that makes the remote network, the default gateway. However, local routes should be added to these clients when they connect.

  Or you can use an additional interface on the firewall. One that puts an end to VPN tunnels and another providing for Internet connectivity. In this way the traffic is not enter/leave on the same interface.

  Of course, it is preferable if the customer Internet traffic does not go through the tunnel. It wastes your bandwidth and has security problems as well. I suggest you use the client to Cisco and the split tunneling.