Multiple DMZ on ASA 5520 connection to a Catalyst 3550

I have ASA 5520 with 4 ports, I have 8 networks from the DMZ. As anyone configure an ASA 5520 for use with VLANS or sous-interfaces? How are you?

I plan to use interfaces on the DMZ interface and assign a vlan to each interface of void. Should I configure dot1q trunking on the interface of the DMZ. If this isn't the case, I'll have to set it up on the switchport to my DMZ switch? or does each subinterface * Just Thinking out loud *.

Thank you

Hi there on the physical interface first you won't have any config except for nonstop and up.then interface create secondary interfaces on the same interface as int I0.1. set the security level and assign them to one vlan and IP to make them.after which connect a switchport port and configure the port a port trucnking cause all traffic vlan of the asa will elapse of this port.on the button to connect your servers and assign the port to their VLAN respective and configure gateways thie as the ip address of the vlan configured on the asa. That's all. Incase you need more information. write again. If I solved it your problem then pls note the post.

Assane

Tags: Cisco Security

Similar Questions

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    Hi all

    Can someone direct me to a good documentation planning and creation of a DMZ on an ASA 5520? Any advice or suggestions are greatly welcome.

    TIA,

    Gary

    Hi Gary

    Take a look at the following link,

    http://www.Cisco.com/en/us/products/ps6120/products_getting_started_guide_chapter09186a00805e2922.html

    I hope this helps.

    Cordially MJ

  • Time to max setting ASA 5520 connection

    Hello

    My searches are coming up in white for a reason, its just me. Just need to know where I can put a Max connection time so users do not camp on the ASA when they use it.

    Thanks in advance!

    In the same link provided before - see the section configuration of vpn-session-timeou, this command applies a maximum RA connection tunnel or by username

    http://www.Cisco.com/en/us/docs/security/ASA/asa82/command/reference/uz.html#wp1631430

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  • Tunnel VPN ASA 5520 (DMZ + INSIDE) destined for OUTSIDE

    I can't find any reference to anywhere else.

    We have an ASA 5520 to our site HQ (inside the network) with several regional subnets on the DMZ interface.

    We need connectivity VPN Site to Site between the INSIDE and a remote control on the OUTSIDE of the site, as well as between the DMZ subnets and even outside the site. The interface from the OUTSIDE of the SAA must be local VPN endpoint for all tunnels.

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    I also did a local S2S VPN tunnel configuration test of networks as everything INSIDE and the DMZ. With the help of the wizard VPN S2S leads ASA only to create a NAT rule exempted for the subnet on the INSIDE interface. Can I manually create another tax-exempt NAT rule to the side of the DMZ and use this a S2S tunnel to connect sites inside and DMZ to the remote OFF-SITE in a connection profile?

    I'm building a Rube Goldberg?

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    George

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    It seems you have a situation overlapping it, are you sure that subnets inside did not overlap with the networks from the DMZ?  A package tracer could clarify wha that the ASA is actually sending.

    In addition, you can merge the two interfaces on the same card encryption if you wish, just make sure that the NAT is configured correctly.   For example; Source NAT (all, outside) static...

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  • Problem connection ASA 5520 GANYMEDE

    I'm just confused at this point. This is the configuration I have so far for the configuration of Ganymede on ASA 5520. SH run

    ?

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    aaa-server TacServer protocol tacacs+aaa-server TacServer (LAN) host 172.19.0.226key *****

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    After that failed I returned and turned on on my server TACACAS. When to wait a few minutes and trying to connect via tacacas NO GO. He doesn't like my username and password.

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    Very litle documentation cisco out there for this issue... Any thoughts what coukld be the cause? I know that GANYMEDE works very well since he works on 500 + devices, I'm just confused at this point.

    I need to check a few things before recovery of password:

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    2.] was there any problems reachbility during this time?

    3.] all services came fine?

    4.] should focus on debugs following:

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  • Default gateway of ASA 5520 8.4 (3) tunnel and different subnets

    Hello

    I fight on a problem for more than 2 weeks despite various searches.

    We have a Cisco router, then a 8.4 (3) ASA 5520.

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    Cisco Systems VPN Client Version 5.0.02.0090

    Copyright (C) 1998-2007 Cisco Systems, Inc.. All rights reserved.

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    Remove all keys

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    Remove all keys

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    Remove all keys

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    IPSec driver successfully stopped

    I have connectivity full http from the internet to a machine inside the asa 5520 so I think that the static routing and NAT'ing should be ok, but I am pleased to provide you with all the details.

    Can you see what I'm doing wrong?

    Thank you

    Sam

    Pls add the following policy:

    crypto ISAKMP policy 10

    preshared authentication

    the Encryption

    md5 hash

    Group 2

    You can also run debug on the ASA:

    debugging cry isa

    debugging ipsec cry

    and retrieve debug output after trying to connect.

  • ASA 5520 to Juniper ss505m vpn

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    pager lines 24

    Within 1500 MTU

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    don't allow no asdm history

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    NAT (inside) 1 access list outside nat

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    Route inside 172.16.2.0 255.255.255.0 172.16.3.2 1

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    Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02

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    the ssh LOCAL console AAA authentication

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    No snmp Server contact

    Server enable SNMP traps snmp authentication linkup, linkdown cold start

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

    86400 seconds, duration of life crypto ipsec security association

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    VPNL2L 1 transform-set ESP-3DES-MD5 crypto card game

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    outside_map interface card crypto outside

    crypto isakmp identity address

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    crypto ISAKMP policy 20

    preshared authentication

    3des encryption

    md5 hash

    Group 2

    life 86400

    crypto ISAKMP policy 30

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    aes-256 encryption

    sha hash

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    preshared authentication

    3des encryption

    sha hash

    Group 2

    life 86400

    Telnet timeout 5

    SSH timeout 5

    Console timeout 0

    a basic threat threat detection

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    !

    !

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    attributes of the strategy of group vpngroup1

    banner value +++ welcome to Cisco Systems 7.0. +++

    value of 192.168.0.1 DNS server 192.168.1.1

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    Split-tunnel-network-list value splittun-vpngroup1

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    : end

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    my topology:

    I try with the following links, but did not work

    http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a0080912cfd.shtml

    http://www.Cisco.com/en/us/products/ps6120/products_tech_note09186a00807e0aca.shtml

    Best regards...

    "" I thing both the force of the SAA with the new road outside, why is that? ".

    without the road ASA pushes traffic inward, by default.

    In any case, this must have been a learning experience.

    Hopefully, this has been no help.

    Please rate, all the helful post.

    Thank you

    Rizwan Muhammed.

  • SSL VPN using ASA 5520 mode cluster - several problems

    I configured 2 ASA 5520 s in the load balancing cluster mode. I connect using anyconnect and I download the customer the first time and everything works well except outlook. I don't know why outlook does not work.

    The second problem is after the anyconnect client is installed on your machine, he remembers that ASA (say ASA2) he first connected and the GUI shows the address IP of ASA2 instead of the virtual IP address of the cluster. I want users always connect using the virtual IP address.

    The third problem I have is there is a default group of SSL VPN and I want all users to use this group. In the initial web page, there is a drop down menu which shows that this group, but I still want to disable this menu drop-down.

    Any suggestions?

    To disable the drop-down menu, you can turn it off with the command

    WebVPN

    no activation of tunnel-group-list

    This will take care of your last issue.

    ***************************

    You can create a profile of the Anyconnect client with the name of the server you want to connect with and that make the ASA that will solve your problem of virtual IP.

    **************************

    Regarding Outlook, do you use specific ports which allows inspection of the ASA. Take a look at the list of inspection on the SAA and perhaps try to disable inspection and see if it works.

    *****************************

  • Using Cisco Client to site VPN on a behind a NAT ASA 5520

    I apologize if this has been asked and we answered in the forums.  I looked, and while I found a large number of entries that were dancing all around this question, I never found nothing which addressed this specific issue.   We currently use an ASA 5520 as the head end of a relatively large customer to site IPSEC VPN (approximately 240 users, not consecutively).   This ASA is currently sitting behind a Checkpoint firewall with a real publicly addressable IP address on its public interface.  All of our customers use the legacy Cisco VPN (not the one anyconnect) client.  We plan to a few controllers F5 link set up between ISPS and firewalls.   For VPN connectivity F5 recommends that we NAT IP address (called a broad IP) to point back to a private IP address on the ASA and F5.  My question is, will this work?   I've always heard say that the head of line needed to have a public IP address on this subject because this is what will be placed in packages for the client to respond to.

    For further information, here's what we have now and what we are invited to attend.

    Current

    ISP - router - firewall-fire - ASA (public IP address as endpoint)

    Proposed

    ISP - router - F5 (public IP address as endpoint using a NAT to ASA) - Firewall - ASA (10.X.X.X as its external interface)

    Proposed alternative

    ISP - router - F5 (public IP address as endpoint using a NAT to ASA) - ASA (10.X.X.X as its external interface)

    All thoughts at this moment would be greatly appreciated.   Thank you!

    Hello

    If there is a static NAT one by one on F5 to the external interface of the ASA, then I don't think they would be any problems.
    Because when the client will attempt to connect to IKE to the translated public IP, F5 will redirect the request to ASA outside interface that is configured for the VPN.

    In addition, to ensure the udp500, 4500 and esp is allowed and then you should be good to go.

    HTH

    Concerning
    Mohit

  • ASA 5520 - VPN using LDAP access control

    I'm setting up an ASA 5520 for VPN access.  Authorization & authentication using an LDAP server.  I have successfully configured tunnel, and I can access internal resources.  What I want to do now is to limit access to a specific ad group membership.  In the absence of this belonging to a group, a user cannot access the VPN.

    My VPN client software testing is Cisco Systems VPN Client 5.0.05.0290 Version.  The Group authentication is configured in a connection entry that identifies the Group of Tunnel. I think I wrote that correctly.

    The Version of the software on the SAA is 8.3 (1).

    My current challenge is getting the VPN to stop letting each request for access through little matter belonging to a group.  I found the thread below to be significantly useful, but there is obviously something which is not entirely mesh with my situation.

    https://supportforums.Cisco.com/message/3232649#3232649

    Thanking all in advance for everything offered thoughts and advice.

    Configuration (AAA LDAP, group policy and group of tunnel) is below.

    AAA-Server LDAP protocol ldap
    AAA-Server LDAP (inside) host x.x.y.12
    Server-port 636
    LDAP-base-dn dc = domain, dc = com
    LDAP-scope subtree
    LDAP-naming-attribute sAMAccountName
    LDAP-login-password *.
    LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
    enable LDAP over ssl
    microsoft server type
    LDAP-attribute-map LDAP_MAP
    AAA-Server LDAP (inside) host x.x.y.10
    Server-port 636
    LDAP-base-dn dc = domain, dc = com
    LDAP-scope subtree
    LDAP-naming-attribute sAMAccountName
    LDAP-login-password *.
    LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
    enable LDAP over ssl
    LDAP-attribute-map LDAP_MAP
    AAA-Server LDAP (inside) host x.x.y.11
    Server-port 636
    LDAP-base-dn dc = domain, dc = com
    LDAP-scope subtree
    LDAP-naming-attribute sAMAccountName
    LDAP-login-password *.
    LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
    enable LDAP over ssl
    microsoft server type
    LDAP-attribute-map LDAP_MAP

    AAA-Server LDAP (inside) host x.x.y.10
    Server-port 636
    LDAP-base-dn dc = domain, dc = com
    LDAP-scope subtree
    LDAP-naming-attribute sAMAccountName
    LDAP-login-password *.
    LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
    enable LDAP over ssl
    LDAP-attribute-map LDAP_MAP
    AAA-Server LDAP (inside) host x.x.y.11
    Server-port 636
    LDAP-base-dn dc = domain, dc = com
    LDAP-scope subtree
    LDAP-naming-attribute sAMAccountName
    LDAP-login-password *.
    LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
    enable LDAP over ssl
    microsoft server type
    LDAP-attribute-map LDAP_MAP
    !
    internal group NOACCESS strategy
    NOACCESS group policy attributes
    VPN - concurrent connections 0
    Protocol-tunnel-VPN IPSec webvpn
    address pools no
    attributes of Group Policy DfltGrpPolicy
    VPN - 10 concurrent connections
    Protocol-tunnel-VPN IPSec webvpn
    enable IPSec-udp
    vpn group policy - pro internal
    vpn - pro group policy attributes
    value x.x.y.17 x.x.y.27 WINS server
    Server DNS value x.x.y.19 x.x.y.29
    VPN - 50 simultaneous connections
    Protocol-tunnel-VPN IPSec svc
    group-lock value vpn - pro
    field default value domain.com
    value of address ip-vpn-pro pools
    WebVPN
    client of dpd-interval SVC no
    dpd-interval SVC 1800 bridge
    !

    attributes global-tunnel-group DefaultRAGroup
    LDAP authentication group-server
    LDAP authorization-server-group
    Group Policy - by default-vpn-pro
    authorization required
    type group tunnel vpn - pro remote access
    attributes global-tunnel-group-vpn - pro
    LDAP authentication group-server
    Group-server-authentication (LDAP outside)
    LDAP authorization-server-group
    Group Policy - by default-vpn-pro
    band-Kingdom
    password-management
    band-band
    authorization required
    type tunnel-group NOACCESSGROUP remote access
    attributes global-tunnel-group NOACCESSGROUP
    LDAP authentication group-server
    NOACCESS by default-group-policy

    Hello

    The configuration of what you are looking for is a feature called DAP (Dynamic Access Policy)

    The following link will explain how to set up the same.

    http://www.ciscosystems.com/en/us/products/ps6120/products_white_paper09186a00809fcf38.shtml

    I hope this helps.

    Kind regards

    Anisha

    P.S.: Please mark this thread as answered if you feel that your query is resolved. Note the useful messages.

  • 1841. ASA 5520 VPN

    I set up a VPN site-to site between a Cisco ISR 1841 and a Cisco ASA 5520, everything seems to work but I have a few questions.

    1. I must explicitly authorize all VPN traffic in the ACL on the external interface of the 1841, y at - it an equivalent of router "vpn sysopt connection permit?

    2. Although the VPN rises and pass traffic, I have the opportunity to see what follows?

    * 14:11:52.883 22 June: % CRYPTO-6-IKMP_MODE_FAILURE: fast processing mode has failed with the peer 1.1.1.1

    You can share the outputs full? Both sides at the same time?

    Bottom line, I don't think it's normal in IOS 12.4 mainline unless packages are leaking clear ;/

  • ASA 5520: Support GVRP?

    Hello

    I'm trying to configure the secondary interfaces on an ASA 5520. I have a Dell switch that I will be endearing to which only supports GARP VLAN registration Protocol (GVRP). I was just wondering if it is possible for me to pass circuits to GVRP on my ASA policy?

    Thank you

    Chris

    This switch is capable of 802. 1 q trunking. The Dell switch that I think what you have to do is create a trunk on port port, you have your ASA connected to and set them VLAN appropriate which can be labeled on this port. On the ASA to create a subset of the interfaces and to each interface in the appropriate VLAN.

    E.G.

    interface GigabitEthernet0/2.1

    VLAN 12

    interface GigabitEthernet0/2.2

    VLAN 31

    I think that the limitation is 64 VLANS.

  • Routing with Cisco ASA 5520 VPN

    I have installed IPsec vpn remote users in the Cisco ASA 5520 using RADIUS in my main network. Works very well. I have a site to my Cisco ASA5520 tunnels going to other sites, some of the tunnels have Cisco ASA and some have SonicWalls. I wish that my users VPN remote IPSec to be able to navigate in these tunnels is a site to access remote subnets attached to these tunnels. Do I need to use a combination of routing and the ACL? Or can I just use ACL only? Or just use routing only?

    Thank you

    Carlos

    Hello

    The key to set up here is the two ACL of VPN L2L end points that determine the 'interesting' traffic to connect VPN L2L. You will also need to confirm that the connection of the VPN Client is configured so that traffic to the remote sites have sent to the connection of the VPN client. There are also other things that you should check on your ASA plant

    Here most of the things you usually have to confirm

    • Set up 'permit same-security-traffic intra-interface' if it is already present in your configuration

      • This setting will allow connections to form between the hosts that are connected to the same interface on the ASA. In this case, applies because the VPN client users are connected to the interface 'outside' of the ASA and also remote sites are connected to the ASA to "external". If the traffic between the remote VPN Client and VPN L2L sites will be to enter and exit the same interface
    • You will need to check how the customer if configured VPN connection. Split or full Tunnel tunnel
      • If the connection of the VPN Client is configured as Split Tunnel then you need to add all the networks from the remote to the Split Tunnel, so that the connections between the VPN Client is transmitted to the ASA and from there connections VPN L2L
      • If the connection of the VPN Client is configured as full Tunnel, then there no problem that all traffic is transferred to the Client VPN connection all its assets
    • Define the VPN pool in the ACL of VPN L2L
      • You should make sure that the pool network VPN Client is defined in the ACL that define 'interesting' traffic to connect VPN L2L. So, you need to add the pool VPN VPN L2L configurations on the sites of Central America and remote control
    • Configure NAT0 / NAT exempt for remote VPN Client to L2L VPN Site traffic at both ends of the VPN L2L
      • You must ensure that the NAT0 / exempt NAT rules exist for the VPN Client for Remote Site traffic. This will have to be configured on the SAA "outside" interface. Format of configuration varies naturally a bit on the ASA Central his software level.

    These should be the most common things to set up and confirm for traffic to flow between the VPN Client and Remote Sites

    Hope this helps please rate if yes or ask more if necessary.

    -Jouni

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