Tunnel from site to site VPN that overlap within the network

Hi all

I need to connect 2 networks via a tunnel VPN site to site. On the one hand, there is a 506th PIX by the termination of the VPN. The other side, I'm not too sure yet.

However, what I know, is that both sides of the tunnel using the exact same IP subnet 192.168.1.0/24.

This creates a problem when I need to define the Routing and the others when it comes to VPN and what traffic should be secure etc.

However, read a lot for the review of CERT. Adv. Cisco PIX and noticed that outside NAT can solve my 'small' problem.

That's all it is said, but I'd really like to see an example of configuration of this or hear from someone who has implemented it.

Anyone?

Steffen

How is it then?

http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a00800949f1.shtml

Tags: Cisco Security

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    Cryptochecksum:d000c75c8864547dfabaf3652d81be71

    : end





    Hello

    The output seems to say that traffic is indeed transmitted to connect VPN L2L

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    Have you tried several different target hosts on the network you are trying to ping while might exclude us actual devices are not just meeting the specifications these PINGs?

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    Hi all

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    class-map voice_traffic
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    I think I should be able to see the tunnel when I type isakmp crypto to show its, but it is not at all.

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    How is the tunnel is not complete the phase 1?

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    Hello world

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    Thank you

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    The dynamic map is called clientmap
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  • Tunnel from site to Site - Customer VPN to access the site on the other.

    Hello

    How to make this work?

    I want to enable the VPN connection clientens in the Cisco ASA for access network the 10.50.50.0.

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    I created a static route in the 148.148.0.168, saying that for access to the 10.50.50.0 network goto 148.148.0.235(I pouvez ping 10.50.50.1 de la boîte de Cisco)
    I created a site for a second on the Zywall 5 and USG 100 which tunnelle the 10.50.50.0 and 10.210.210.0.

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  • ASA between tunnel from site to site

    Hello

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    https://Quickview.cloudapps.Cisco.com/QuickView/bug/CSCup37416

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    Hi Vishnu,

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    Please evaluate the useful messages.

  • ASA 8.4 (3) - applying NAT breaks my tunnel from site to site - "Routing failed.

    So I'm a few 5510 preconfiguration is before shipment to the site. I have my tunnel VPN from Site to Site and can ping of internal subnets between the sites. However, as soon as I configure NAT on my interface my pings die outside. I checked a guide very full config posted by TAC and I think the answer is to set up two times-NAT, which I believe I did. I don't always get no package in the tunnel.

    A hint, I found, is that I get the journaled message when NAT is applied & affecting routing "ASA-6-110003: routing could not locate the next hop for ICMP from Outside:10.56.8.4/512 to Internal:172.16.60.253/0.

    Output sh run object / run object-group sh / sh run nat / show the two ASA nat: -.

    SITE 1

    = sh run object
    network obj_any object
    subnet 0.0.0.0 0.0.0.0
    network of the BH-Asterisk object
    host x.x.x.x
    BG Hill Asterisk description
    network of the BH-Exchange object
    host x.x.x.x
    BG Hill Exchange Server description
    the DH - AV object network
    10.56.20.0 subnet 255.255.255.0
    Description AV DH
    the DH-Asterisk object network
    host x.x.x.x
    DH Asterisk description
    the object-Diffie-Hellman exchange network
    Home 10.56.1.253
    Description Exchange Diffie-Hellman
    the DH-guests object network
    10.56.8.0 subnet 255.255.255.0
    DH customers description
    the object DH ME network
    10.56.24.0 subnet 255.255.255.0
    DH ME description
    the DH-phones object network
    10.56.16.0 subnet 255.255.255.0
    Description phones DH
    network of the DH-security object
    10.56.32.0 subnet 255.255.255.0
    Description safety DH
    DH-internal object network
    10.56.1.0 subnet 255.255.255.0
    Description internal DH
    network object internally-BH
    10.60.1.0 subnet 255.255.255.0
    Description internal BH
    network of the BH-phones object
    10.60.16.0 subnet 255.255.255.0
    Description BH phones
    network of the BH-security object
    10.60.32.0 subnet 255.255.255.0
    BH Security description
    network of the BH - AV object
    10.60.20.0 subnet 255.255.255.0
    Description AV BH
    network of the BH-guests object
    10.60.8.0 subnet 255.255.255.0
    BH invited description
    network of the BH - ASA object
    host 1.1.1.1
    the DH - ASA object network
    host 1.1.1.2
    network of the BH-RAS object
    10.60.99.0 subnet 255.255.255.0
    the DH-RAS object network
    10.56.99.0 subnet 255.255.255.0
    network of the NETWORK_OBJ_10.56.99.0_26 object
    255.255.255.192 subnet 10.56.99.0
    network of the BH-UC560 object
    Home 172.16.60.253
    network of the DH-UC560 object
    Home 172.16.56.253

    = RJ5510-DOHA # sh run object-group
    the BGHill object-group network
    Description of subnets in BGHill
    BH-internal network-object
    network-object BH-phones
    network-object BH - AV
    network-object BH-security
    network-object BH-guests
    network-object BH-RAS
    BH-UC560 network-object
    object-group network DH
    Description of subnets in DH
    network-object DH - AV
    network-object DH-guests
    network-object DH ME
    network-object DH-phones
    network-object DH-security
    DH-internal network-object
    network-object DH-RAS
    network object-DH-UC560

    = RJ5510-DH # sh run nat
    NAT (AV, outdoors) static source DH DH static destination BGHill BGHill
    NAT (comments, outdoors) static source DH DH static destination BGHill BGHill
    NAT (inside, outside) static source DH DH static destination BGHill BGHill
    NAT (phones, outdoors) static source DH DH static destination BGHill BGHill
    NAT (safety, outdoors) static source DH DH static destination BGHill BGHill
    NAT (ME out) static source DH DH static destination BGHill BGHill
    !
    the DH - AV object network
    dynamic NAT interface (AV, outdoors)
    the object-Diffie-Hellman exchange network
    x.x.x.x static NAT (indoor, outdoor)
    the DH-guests object network
    dynamic NAT interface (comments, outdoors)
    the object DH ME network
    dynamic NAT interface (ME, outdoor)
    the DH-phones object network
    dynamic NAT interface (phones, outdoors)
    network of the DH-security object
    dynamic NAT interface (safety, outdoors)
    DH-internal object network
    dynamic NAT interface (indoor, outdoor)

    = HD-RJ5510 # see nat
    Manual NAT policies (Section 1)
    1 (f) (outdoor) static source DH DH destination static BGHill BGHill
    translate_hits = 0, untranslate_hits = 386
    2 (guest) (outdoor) static source DH DH destination static BGHill BGHill
    translate_hits = 180, untranslate_hits = 0
    3 (inside) (outside) static source DH DH destination static BGHill BGHill
    translate_hits = 0, untranslate_hits = 0
    4 (phones) (outdoor) static source DH DH destination static BGHill BGHill
    translate_hits = 0, untranslate_hits = 0
    5 (security) (outdoor) static source DH DH destination static BGHill BGHill
    translate_hits = 0, untranslate_hits = 0
    6 (ME) (outdoor) static source DH DH destination static BGHill BGHill
    translate_hits = 0, untranslate_hits = 0

    Auto NAT policies (Section 2)
    1 (outdoor) source static-Exchange Diffie-Hellman x.x.x.x (internal)
    translate_hits = 0, untranslate_hits = 0
    2 (internal) interface of DH-internal dynamics of the source (outdoor)
    translate_hits = 0, untranslate_hits = 0
    3 (comments) interface (outside) dynamic source DH-guests
    translate_hits = 2, untranslate_hits = 0
    4 (phones) to the dynamic interface of DH-phones of the source (outside)
    translate_hits = 0, untranslate_hits = 0
    5 (AV) to dynamic source DH - AV interface (outside)
    translate_hits = 0, untranslate_hits = 0
    6 (I) dynamic source DH-ME interface (outside)
    translate_hits = 0, untranslate_hits = 0
    7 (security) to DH-security dynamic interface of the source (outside)
    translate_hits = 0, untranslate_hits = 0

    SITE 2: -.

    = object # executed sh
    network obj_any object
    subnet 0.0.0.0 0.0.0.0
    network of the BH-Asterisk object
    host x.x.x.x
    BH Hill Asterisk description
    network of the BH-Exchange object
    Home 10.60.1.253
    BH Hill Exchange Server description
    the DH - AV object network
    10.56.20.0 subnet 255.255.255.0
    Description AV DH
    the DH-Asterisk object network
    host x.x.x.x
    DH Asterisk description
    the object-Diffie-Hellman exchange network
    host x.x.x.x
    Description Exchange Diffie-Hellman
    the DH-guests object network
    10.56.8.0 subnet 255.255.255.0
    DH customers description
    the object DH ME network
    10.56.24.0 subnet 255.255.255.0
    DH ME description
    the DH-phones object network
    10.56.16.0 subnet 255.255.255.0
    Description phones DH
    network of the DH-security object
    10.56.32.0 subnet 255.255.255.0
    Description safety DH
    DH-internal object network
    10.56.1.0 subnet 255.255.255.0
    Description internal DH
    network object internally-BH
    10.60.1.0 subnet 255.255.255.0
    Description internal BH
    network of the BH-phones object
    10.60.16.0 subnet 255.255.255.0
    Description BH phones
    network of the BH-security object
    10.60.32.0 subnet 255.255.255.0
    BH Security description
    network of the BH - AV object
    10.60.20.0 subnet 255.255.255.0
    Description AV BH
    network of the BH-guests object
    10.60.8.0 subnet 255.255.255.0
    BH invited description
    network of the BH - ASA object
    host 1.1.1.1
    the DH - ASA object network
    host 1.1.1.2
    network of the NETWORK_OBJ_10.60.99.0_26 object
    255.255.255.192 subnet 10.60.99.0
    network of the BH-RAS object
    10.60.99.0 subnet 255.255.255.0
    the DH-RAS object network
    10.56.99.0 subnet 255.255.255.0
    network of the BH-UC560 object
    Home 172.16.60.253
    network of the DH-UC560 object
    Home 172.16.56.253

    = # sh run object-group
    the BHHill object-group network
    Description of subnets in BH Hill
    BH-internal network-object
    network-object BH-phones
    network-object BH - AV
    network-object BH-security
    network-object BH-guests
    network-object BH-RAS
    BH-UC560 network-object
    object-group network DH
    Description of subnets in DH
    network-object DH - AV
    network-object DH-guests
    network-object DH ME
    network-object DH-phones
    network-object DH-security
    DH-internal network-object
    network-object DH-RAS
    network object-DH-UC560

    = # sh run nat
    NAT (inside, outside) static source BHHill BHHill static destination DH DH
    NAT (AV, outdoors) static source BHHill BHHill static destination DH DH
    NAT (comments, outdoors) static source BHHill BHHill static destination DH DH
    NAT (phones, outdoors) static source BHHill BHHill static destination DH DH
    NAT (safety, outdoors) static source BHHill BHHill static destination DH DH
    !
    network of the BH-Exchange object
    x.x.x.x static NAT (indoor, outdoor)
    network object internally-BH
    dynamic NAT interface (indoor, outdoor)
    network of the BH-phones object
    dynamic NAT interface (phones, outdoors)
    network of the BH-security object
    dynamic NAT interface (safety, outdoors)
    network of the BH - AV object
    dynamic NAT interface (AV, outdoors)
    network of the BH-guests object
    dynamic NAT interface (comments, outdoors)

    = # sh nat
    Manual NAT policies (Section 1)
    1 (inside) (outside) static source BHHill BHHill static destination DH DH
    translate_hits = 421, untranslate_hits = 178
    2 (AV) to (outside) static source BHHill BHHill static destination DH DH
    translate_hits = 0, untranslate_hits = 0
    3 (guest) (outdoor) static source BHHill BHHill static destination DH DH
    translate_hits = 0, untranslate_hits = 0
    4 (phones) (outdoor) static source BHHill BHHill static destination DH DH
    translate_hits = 0, untranslate_hits = 0
    5 (security) (outdoor) static source BHHill BHHill static destination DH DH
    translate_hits = 0, untranslate_hits = 0

    Auto NAT policies (Section 2)
    1 (outdoor) static source BH-Exchange x.x.x.x (internal)
    translate_hits = 0, untranslate_hits = 0
    2 (internal) interface of BH-internal dynamics of the source (outdoor)
    translate_hits = 0, untranslate_hits = 0
    3 (comments) interface (outside) dynamic source BH-guests
    translate_hits = 0, untranslate_hits = 0
    4 (phones) to the dynamic interface of BH-phones of the source (outside)
    translate_hits = 0, untranslate_hits = 0
    5 (AV) to dynamic source BH - AV interface (outside)
    translate_hits = 0, untranslate_hits = 0
    6 (security) at the interface of BH-security dynamic of the source (outdoor)
    translate_hits = 0, untranslate_hits = 0
    RJ5510-BH #.

    I admit that I am scoobied with this one, but I hope that someone will find the capture?

    Thank you

    In fact, the problem is with the NAT because because you use the same object on different States of NAT attached to different interfaces.

    The SAA can go crazy with it...

    I must leave now.

    As soon as I get back I'll explain this a little further.

    Kind regards

    Julio

    Note all useful posts

  • Tunnel from site to site ASA with U turn to config

    Hello

    I have a VPN tunnel site race between ASA 5510 (8.2) and Cisco PIX506 (remote site). I need allow remote users to surf the net. I was looking for in the documentation here and circulation activated to enter/exit the same interface on the ASA (same-security-traffic intra-interface permit), however it still something lack. I don't know how to fix this...

    ASA is configured for NAT inside customers to a single public IP address (VPN tunnel ends also at this interface)

    ASA:

    Global 1 208.x.x.x (outside)
    NAT (inside) - 0 no.-Nat-VPN access list
    NAT (inside) 1 0.0.0.0 0.0.0.0

    So when packets Internet comes through the tunnel, there need be sent on the same interface and NATted (but for the tunnel at work I had to exempt intrested NAT traffic). What is the cause of a problem?

    Hello

    NAT rules should be like this:

    Global 1 208.x.x.x (outside)
    NAT (outside) 1 mask x.x.x.x--> pool VPN

    With the foregoing, you are from the VPN clients out to the Internet.

    You can always leave the SHEEP ACL for the VPN itself traffic.

    Federico.

  • 887VDSL2 IPSec site to site vpn does NOT use the easy vpn

    Much of community support.

    as I'm looking through the config Guide about 870 router series, only to find information about the config with eazy vpn.

    is there a classic way, about 870 Series site 2 site without eazy vpn IPSec configuration?

    Have a classic way if a tunnel? Have the 870 is not as a vpn client?

    Thank you

    Of course, here's example of Site to Site VPN configuration for your reference:

    http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a0080194650.shtml

    http://www.Cisco.com/en/us/products/HW/routers/ps221/products_configuration_example09186a008073e078.shtml

    Hope that helps.

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