Dynamic and static map crypto on a single interface

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  Hi, I am looking to understand the difference between a static and a dynamic DAC. I will work on a project that has a very high number of analog outputs 30 IO. I need a Board of 16-bit resolution. I intend to update outputs at a low frequency in the order of 1 Hz (on user deand). I have suggested to use the NI PXI-6704 card with 32 outputs. In order to future-proof our equipment, we plan to buy a few boards that are capable of fast output update rate (a few hundred Hz). I want to know what I'm lost and win with static and dynamic converters. What advice (which are quite fast) would work better for this high number of IO? I'm looking at the 6733, but I am not quite convinced that it is the best alternative.

  Hello

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• SSL vpn, single interface acting as outside/inside

  Hi all

  I'm trying to implement a VPN SSL (not without customer) with a cisco ASA 5510, but I'm a bit stuck since for testing the vpn will be in the same subnet as the destination to reach and so there is only a single interfaces connected to the network that would deal with internal and external traffic. I have attached a diagram of what I'm trying to do and the configuration of my ASA, hope this would be useful.

  The entire network is for historical reasons on routed public ip addresses. There are ACL to block traffic from the internet on the workstation on our network that is 8.8.36.0/24.

  As I am not responsible for management of this network, I would like to test vpn in several steps.

  (1) the first step is to test this vpn from inside to inside

  (2) second step would be to test this vpn from outside the internet inside network

  (3) and the final step would be to put this vpn in one vlan separate

  For the first step, I tried to connect to the vpn with the anyconnect client server, no problem with the creation of vpn, and I correctly get an ip address from the pool (for example: 8.8.36.181) but I can't contact the internal workstation on the 8.8.36.0/24 network.

  I' I'm sure I'm missing something in the configuration, it would be possible to help me?

  Thanks in advance,

  1. Please use a different subnet as pool other than your network vpn client internal 8.8.36/24

  2. given that traffic will turn back on ASA, you need the following command.

  permit same-security-traffic intra-interface

• PIX and ASA static, dynamic and RA VPN does not

  Hello

  I am facing a very interesting problem between a PIX 515 and an ASA 5510.

  The PIX is in HQ and has several dynamic VPN connections (around 130) and IPsec vpn remote works very well. I had to add a PIX to ASA L2L VPN static and it does not work as it is supposed to be. The ASA 5510, at the remote end, connects and rest for a small period of time, however, all other VPN connections stop working.

  The most interesting thing is that ASA is associated with the dynamic map and not the static map that I created (check by sh crypto ipsec his counterpart x.x.x.x). However, if I make any changes in the ACL 'ACL-Remote' it affects the tunnel between the PIX and ASA.

  Someone saw something like that?

  Here is more detailed information:

  HQ - IOS 8.0 (3) - PIX 515

  ASA 5510 - IOS 7.2 (3) - remote provider

  Several Huawei and Cisco routers dynamically connected via ADSL

  Several users remote access IPsec

  A VPN site-to site static between PIX and ASA - does not.

  Here is the config on the PIX:

  Crypto ipsec transform-set ESP-3DES-ESP-SHA-HMAC-IPSec esp-3des esp-sha-hmac

  Dyn - VPN game 100 Dynamics-card crypto transform-set ESP-3DES-ESP-SHA-HMAC-IPSec

  Crypto dynamic-map Dyn - VPN 100 the value reverse-road

  VPN - card 30 crypto card matches the ACL address / remote

  card crypto VPN-card 30 peers set 20 x. XX. XX. XX

  card crypto VPN-card 30 the transform-set ESP-3DES-ESP-SHA-HMAC-IPSec value

  VPN crypto card - 100 - isakmp dynamic Dyn - VPN ipsec

  interface card crypto VPN-card outside

  crypto ISAKMP allow outside

  crypto ISAKMP policy 10

  preshared authentication

  3des encryption

  md5 hash

  Group 2

  life 86400

  crypto ISAKMP policy 65535

  preshared authentication

  3des encryption

  sha hash

  Group 2

  life 86400

  access list ACL-remote ext ip 10.0.0.0 allow 255.255.255.0 192.168.1.0 255.255.255.0

  Thank you.

  Marcelo Pinheiro

  The problem is that the ASA has a crypto acl defined between host and network, while the remote end has to the network.

  Make sure that the acl is reversed.

• Multiple Crypto cards on a single Interface of ASA

  Hello

  I work with a TAC support engineer, and while troubleshooting it suggests to assign two different cryptographic cards on a single interface.

  It is technically possible to have multiple Crypto maps on a single Interface ASA?

  PS: I know have several sequences in a single encryption card would work, but it is a case that I must address multiple Crypto maps on a single ASA.

  Hi Ali,

  The rule is by interface, a single card encryption is supported. You cannot assign more than one encryption on a single interface card.

  Documentation: -.
  "You can only assign a single encryption card defined on an interface. If multiple crypto map entries with the same name of card but a sequence number different, they are part of the same series and are applied to the interface. ASA first assesses the entry card crypto with sequence number low. »

  http://www.Cisco.com/c/en/us/TD/docs/security/ASA/ASA-command-reference/A-H/cmdref1/C6.html

  Kind regards
  Dinesh Moudgil

  PS Please rate helpful messages.

• Dynamic to static IPSec with certificate-based authentication

  I'm trying to implement a dynamic to static LAN2LAN vpn from an ASA 5505 (with a dynamic IP address) to an ASA5520 (with a static IP address)
  I wish I had a small (/ 30) network on the side dynamics which I can connect to a larger (/ 24) network on the static side.
  I also try to use the identity for authentication certificates.

  I produced a root and intermediate CA signed of the intermediate CA with the certificate authority root and then created identity cases for
  the ASAs, signed with the intermediate CA using OpenSSL and imported to a trustpoint

  I tried to use the instructions on:
  http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a0080930f21.shtml
  to configure certificates (replacing MS with OpenSSL) and following the instructions to:

  I tried the ASDM to set up the cert to identity appropriate on the external interface
  [Configuration-> Device Management-> advanced-> SSL settings]

  and establish a connection profile [Configuration-> Device Management-> connection profiles] on both devices,
  setting the part that gets its IP via DHCP static and the side that has the IP permanently to accept dynamic.

  I apply the settings, and nothing happens.

  See the crypto isakmp just returns "there is none its isakmp.

  I don't know where to start debugging it. How can I force the side DHCP to initiate a connection?

  We are sure that both peers are using the same isakmp settings? It seems the policy that uses rsa - sig on one end uses a different Diffie-Hellman group.

• IPSec Tunnel between Cisco 2801 and Netscren 50 with NAT and static

  Hello

  My problem isn't really the IPSec connection between two devices (it is already done...) But my problem is that I have a mail server on the site of Cisco, who have a static NAT from inside to outside. Due to the static NAT, I do not see the server in the VPN tunnel. I found a document that almost describes the problem:

  "Configuration of a router IPSEC Tunnel private-to-private network with NAT and static" (Document ID 14144)

  NAT takes place before the encryption verification!

  In this document, the solution is 'routing policy' using the loopback interface. But, how can I handle this with the Netscreen firewall. Someone has an idea?

  Thanks for any help

  Best regards

  Heiko

  Hello

  Try to change your static NAT with static NAT based policy.

  That is to say the static NAT should not be applicable for VPN traffic

  permissible static route map 1

  corresponds to the IP 104

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  access-list 104 allow the host ip 10.1.110.10 all

  IP nat inside source static 10.1.110.10 81.222.33.90 map of static route

  HTH

  Kind regards

  GE.

• Config map crypto

  I would like to know if we can configure several cryptographic cards on a single interface?

  Hello

  You cannot use more than one card encryption on an interface, but you can use separate entries within the same encryption card IE.

  map vpn - set 1 iskamp ipsec crypto

  vpn - set 1 set x.x.x.12 counterpart crypto card

  ...

  Your next VPN would be

  map vpn - set 2 ipsec-isakmp crypto

  card crypto vpn - set set peer y.y.y.15

  etc.

  HTH

  Jon

• VPN site-to-site dynamic-to-static

  Dear

  I have a few sites already connected with ASA 5505 VPN site to site with both ending static IP address.  Normally, all traffic can be found without any problems.  Even, I used 'inside access management' for the two ASA.

  Now I have a new office with only the ADSL pppoe.  I used to install between Site B:remote the site dynamic IP and IP SiteA:static with a similar example of this easy VPN: http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a00805733df.shtml

  All my ASA 5505 run 1 8.4 (4)

  Site A - Static IP

  Site B - Dynamic IP with pppoe connection.

  After EasyVPN connected, I don't know how I remote manangment of the site a lan at the ASA 5505 B site?

  Best regards

  Alan.

  If you're ok with or the other solution, it is probably easier to use dynamic to static lan-to-lan, so, at least, that your solution is consistent and fair use lan-to-lan tunnel instead of customer vpn solution mixture and lan-to-lan.

• Dynamic to static L2L IPSec VPN

  Hello

  I've implemented a dynamic to static IPSec Site to Site VPN between a branch (ship) ASA5505 and headquarters. Now, this solution does not allow HQ initiate the IPsec connection.

  There is a router behind the ASA5505. I heard that if I want to keep the tunnel upward, so that the HQ customers can switch the traffic to remote clients through the tunnel, I would need to run ALS IP icmp probes on the router behind the ASA.

  Could someone explain how to implement it?

  Thanks for your help.

  Frank

  The ICMP probe can be done through any device that is able to do ping, not only of the router.

  The reason is that it is interesting traffic triggers the traffic is encrypted by the vpn tunnel, tunnel will stay up, so you will be able to open the connection to the AC to your remote site.

  Hope that helps.

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