L2l VPN between ASA with the IP address public and CISCO2911 behind the ISP router with port forwarding

Hi all

My apologies if this is a trivial question, but I spent considerable time trying to search and had no luck.

I encountered a problem trying to set up a temporary L2L VPN from a Subscriber with CISCO2911 sitting behind the router of the ISP of an ASA. ISP has informed that I can't ignore their device and complete the circuit Internet on the Cisco for a reason, so I'm stuck with it. The Setup is:

company 10.1.17.1 - y.y.y.y - router Internet - z.z.z.z - ISP - LAN - 10.x.x.2 - XXX1 - ASA - 10.1.17.2 - CISCO2911 - 10.1.15.1 LAN

where 10.x.x.x is a corporate LAN Beach private network, y.y.y.y is a public ip address assigned to the external interface of the ASA and the z.z.z.z is the public IP address of the ISP router.

I have forwarded ports 500, 4500 and ESP on the ISP router for 10.1.17.2. The 2911 config attached below, what I can't understand is what peer IP address to configure on the SAA, because if I use z.z.z.z it will be a cause of incompatibility of identity 2911 identifies himself as 10.1.17.2...

! ^ ^ ^ ISAKMP (Phase 1) ^ ^ ^!
crypto ISAKMP policy 5
BA 3des
md5 hash
preshared authentication
Group 2
lifetime 28800
isakmp encryption key * address no.-xauth y.y.y.y

! ^ ^ ^ IPSEC (Phase 2) ^ ^ ^!
crymap extended IP access list
IP 10.1.15.0 allow 0.0.0.255 10.0.0.0 0.255.255.255
Crypto ipsec transform-set ESP-3DES-SHA 3rd-esp esp-sha-hmac
card crypto 1 TUNNEL VPN ipsec-isakmp
defined peer y.y.y.y
game of transformation-ESP-3DES-SHA
match the address crymap

Gi0/2 interface
card crypto VPN TUNNEL

Hello

debug output, it seems he's going on IPSEC States at the tunnel of final bud QM_IDLE's.

What I noticed in your configuration of ASA box, it's that you're usig PFS but not on 2911 router.

So I suggest:

no card crypto OUTSIDE_map 4 don't set pfs <-- this="" will="" disable="" pfs="" on="" asa="">

Then try tunnel initiate.

Kind regards

Jan

Tags: Cisco Security

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    Best regards

    Joerg

    Joerg,

    ASA receives not all VPN packages because IOS does not send anything.

    Try to send packets to the 1841 LAN to LAN of the ASA and see is the "sh cry ips its" on the 1841 increments the encrypted packets (there not)

    The problem seems so on the side of the router.

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    It seems that the ACL 101 is also bypassing NAT for VPN traffic.

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    I would also like to delete 100 ACL from the inside interface on the router because it is used for the VPN. You can create an another ACL to apply to the interface.

    Federico.

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    outgoing CFP sas:

    protégé of the vrf: (none)
    local ident (addr, mask, prot, port): (172.19.194.0/255.255.255.0/0/0)
    Remote ident (addr, mask, prot, port): (172.19.209.0/255.255.255.0/0/0)
    current_peer 87.x.x.4 port 500
    LICENCE, flags is {origin_is_acl},
    #pkts program: encrypt 0, #pkts: 0, #pkts digest: 0
    #pkts decaps: 8947, #pkts decrypt: 8947, #pkts check: 8947

    compressed #pkts: 0, unzipped #pkts: 0
    #pkts uncompressed: 0, #pkts compr. has failed: 0
    #pkts not unpacked: 0, #pkts decompress failed: 0
    Errors #send 0, #recv 0 errors

    local crypto endpt. : 78.x.x.41, remote Start crypto. : 87.x.x.4
    Path mtu 1452, ip mtu 1452, ip mtu BID Dialer0
    current outbound SPI: 0x3E9D820B (1050509835)

    SAS of the esp on arrival:
    SPI: 0xC96393AB (3378746283)
    transform: esp-3des esp-md5-hmac.
    running parameters = {Tunnel}
    Conn ID: 29, flow_id: Motorola SEC 1.0:29, card crypto: mycryptomap
    calendar of his: service life remaining (k/s) key: (4393981/1196)
    Size IV: 8 bytes
    support for replay detection: Y
    Status: ACTIVE

    the arrival ah sas:

    SAS of the CFP on arrival:

    outgoing esp sas:
    SPI: 0x3E9D820B (1050509835)
    transform: esp-3des esp-md5-hmac.
    running parameters = {Tunnel}
    Conn ID: 30, flow_id: Motorola SEC 1.0:30, card crypto: mycryptomap
    calendar of his: service life remaining (k/s) key: (4394007/1196)
    Size IV: 8 bytes
    support for replay detection: Y
    Status: ACTIVE

    outgoing ah sas:

    outgoing CFP sas:

    VPN configuration is less in cisco router

    access-list 101 permit ip 172.19.194.0 0.0.0.255 172.19.206.0 0.0.0.255 connect
    access-list 101 permit ip 172.19.206.0 0.0.0.255 172.19.194.0 0.0.0.255 connect
    access-list 101 permit ip 172.19.194.0 0.0.0.255 172.19.203.0 0.0.0.255 connect
    access-list 101 permit ip 172.19.203.0 0.0.0.255 172.19.194.0 0.0.0.255 connect
    access-list 101 permit ip 172.19.194.0 0.0.0.255 172.19.209.0 0.0.0.255 connect
    access-list 101 permit ip 172.19.209.0 0.0.0.255 172.19.194.0 0.0.0.255 connect

    access-list 105 deny ip 172.19.194.0 0.0.0.255 172.19.206.0 0.0.0.255 connect
    access-list 105 deny ip 172.19.206.0 0.0.0.255 172.19.194.0 0.0.0.255 connect
    access-list 105 deny ip 172.19.194.0 0.0.0.255 172.19.203.0 0.0.0.255 connect
    access-list 105 deny ip 172.19.203.0 0.0.0.255 172.19.194.0 0.0.0.255 connect
    access-list 105 deny ip 172.19.194.0 0.0.0.255 172.19.209.0 0.0.0.255 connect
    access-list 105 deny ip 172.19.209.0 0.0.0.255 172.19.194.0 0.0.0.255 connect

    sheep allowed 10 route map
    corresponds to the IP 105

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

    mycryptomap 100 ipsec-isakmp crypto map
    the value of 87.x.x.4 peer
    Set transform-set mytransformset
    match address 101

    crypto ISAKMP policy 100
    BA 3des
    md5 hash
    preshared authentication
    Group 2
    ISAKMP crypto key xxx2011 address 87.x.x.4

    Your permit for 105 ACL statement should be down is changed to match because it is the most general ACL.

    You currently have:

    Extend the 105 IP access list
    5 permit ip 172.19.194.0 0.0.0.255 (18585 matches)
    10 deny ip 172.19.194.0 0.0.0.255 172.19.206.0 0.0.0.255 connect
    30 deny ip 172.19.194.0 0.0.0.255 172.19.203.0 0.0.0.255 connect
    50 deny ip 172.19.194.0 0.0.0.255 172.19.209.0 0.0.0.255 connect

    It should be:

    Extend the 105 IP access list
    10 deny ip 172.19.194.0 0.0.0.255 172.19.206.0 0.0.0.255 connect
    30 deny ip 172.19.194.0 0.0.0.255 172.19.203.0 0.0.0.255 connect
    50 deny ip 172.19.194.0 0.0.0.255 172.19.209.0 0.0.0.255 connect

    IP 172.19.194.0 allow 60 0.0.0.255 (18585 matches)

    To remove it and add it to the bottom:

    105 extended IP access list

    not 5

    IP 172.19.194.0 allow 60 0.0.0.255 any

    Then ' delete ip nat trans. "

    and it should work now.

  • Problem with Port Forwarding (When PPTP is upward) in the WRT-160N

    Hello world!

    I'm looking for more help with Port Forwarding in my new Linksys router. I bought the daysago afew router and was pretty surprised when I discovered that there is no DD - WRT firmware is installed in it (the router was 100% NEW when I bought it). I downloaded latest firmware original and flashed Linksys file successfully.

    But I still have the problem (even that I was on DD - WRT firmware too) with the port forwarding for my DC ++ and Vuze (app from torrents): I wrote port forward for ports 49151 (for Vuze) and 4000 (for DC ++) to pass on to my desktop computer (IP 192.168.1.201) - I saw a post on this forum, that there could be a problem If you transfer to an IP address, which is within the local area of DHCP, so I forwarded to IP.201 (my local DHCPzone is 192.168.1.100-. 149) But does not forwardind (())

    What's wrong?

    My configuration:

    Router IP: 192.168.1.1

    PPTP (I my ISP)

    IP address: 192.168.226.127

    Default gateway: 192.168.226.2

    DNS 1: 192.168.1.1

    2 & 3 DNS: 0.0.0.0

    The IP address of the PPTP server: 192.168.226.2

    User name: *.

    Password: *.

    _____________________

    Simple Port Forwarding:

    Name of the external port application port internal protocol for IP address Enabled

    Vuze 49151 49151 times checked 192.168.1.201

    DC 4000 4000 checked two 192.168.1.201

    As you mentioned in your post that your ISP has provided you with a PPTP connection with an IP address: 192.x.x.x. The IP address that is provided by your ISP is in a private beach, and if you try to transfer all the ports on your router, it will not work, as long as your ISP modem is blocking this port. If you need get a public IP address from your ISP.

    As you get Private IP of your ISP, if this connection is called as NAT behind NAT and your Modem behaves like a router.

    So now you have 2 options, get the public IP address from your ISP or change the type of connection.

  • Should I fill the ISP router or TimeCapsule airport?

    Hello

    I hope that you will be able to provide me with some clarification on this subject: I recently bought a TimeCapsule airport that I intend to use for the implementation of a personal home network + network comments + backups etc. used in the family.

    Navigation through the Q & A on this (and other) support forum, I came to the conclusion that I can't use the airport as a router and at the same time use the router in the router/modem provided by my ISP. What I would like your help with is to understand what are the advantages and disadvantages of fill the ISP modem/router and airport, respectively.

    I understand now there might be an advantage to use the airport as the router because it's a powerful piece of equipment, but it might be a bad idea wise security visible directly from the Internet?

    Thank you for your support!

    If the ISP router is your main router, then the time Capsule would establish to a network bridge by selecting the join an existing network in the Airport utility. If the ISP router is a distinct feature of the cable modem, then remove it and use only the time Capsule as the router.

  • a way vpn with asa to the 800 router

    people

    I have a site to site vpn set up between a asa 5540 and a 800 router

    I want only the vpn to be initiated from the asa with the 800 remote listen incoming connections

    I know that I can define the type of connection on the asa as only come but I can find an equivalent command to answer only for the 800 remote

    can anyone point me in the right direction or is it enough to simply configure the asa as are created only for this encryption card

    Thanks to anyone who takes the time to answer

    Hello

    I recommend you configure the tunnel as a dynamic to static tunnel VPN, the ASA will be the static counterpart, so it will be the initiator and the router will never be able to establish the connection.

    The ASA will be a common L2L configuration, but the router will use a dynamic encryption card.

    http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a008051a69a.shtml

    The PIX in the example is old, then you can simply adjust the controls to your current version, the important thing is to understand the concept.

    Please let me know if that answers your question,

    Thank you.

  • L2l VPN between two ASA5505 works not

    Let me start who I know a thing or two about networks.  VPN not so much.

    I am trying to configure a Site-toSite VPN between two ASA 5505.  I am building this in a laboratory of the Office before I deploy it to the end sites.  I are the indications on this very informative forum and think I have it set up correctly.  I can see the tunnel is being built and I see same incrementation of the traffic counters.  But the real user sessions do not seem to work.  For example, ping and telnet does not work.

    An excerpt from the syslog for a ping test on a computer on the remote end.

    (10.1.10.5 is the local computer, 10.1.11.5 is the remote computer.  10.1.11.1 is the interface of the ASA remote interior)

    6. January 20, 2012 | 01:04:12 | 302021 | 10.1.11.1 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0 ICMP
    6. January 20, 2012 | 01:04:10 | 302020 | 10.1.10.5 | 1. 10.1.11.1 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0
    6. January 20, 2012 | 01:04:07 | 302021 | 10.1.11.1 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0 ICMP
    6. January 20, 2012 | 01:04:05 | 302020 | 10.1.10.5 | 1. 10.1.11.1 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0
    6. January 20, 2012 | 01:04:02 | 302021 | 10.1.11.1 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0 ICMP
    6. January 20, 2012 | 01:04:00 | 302020 | 10.1.10.5 | 1. 10.1.11.1 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0
    6. January 20, 2012 | 01:03:57 | 302021 | 10.1.11.1 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0 ICMP
    6. January 20, 2012 | 01:03:55 | 302020 | 10.1.10.5 | 1. 10.1.11.1 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.1/0
    6. January 20, 2012 | 01:03:48 | 302021 | 10.1.11.5 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.5/0 ICMP
    6. January 20, 2012 | 01:03:46 | 302020 | 10.1.10.5 | 1. 10.1.11.5 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.5/0
    6. January 20, 2012 | 01:03:43 | 302021 | 10.1.11.5 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.5/0 ICMP
    6. January 20, 2012 | 01:03:41 | 302020 | 10.1.10.5 | 1. 10.1.11.5 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.5/0
    6. January 20, 2012 | 01:03:38 | 302021 | 10.1.11.5 | 0 | 10.1.10.5 | 1. Connection of disassembly for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.5/0 ICMP
    6. January 20, 2012 | 01:03:36 | 302020 | 10.1.10.5 | 1. 10.1.11.5 | 0 | Built of outbound ICMP connection for faddr gaddr laddr 10.1.10.5/1 10.1.10.5/1 10.1.11.5/0
    5. January 20, 2012 | 01:03:32 | 713041 | IP = 192.168.24.211, initiator of IKE: New Phase 1, Intf inside, IKE Peer 192.168.24.211 address local proxy 10.1.10.0, address remote Proxy 10.1.11.0, Card Crypto (outside_map)

    This is the configuration for one of them.  The other is configured in the same way with the usual across settings.

    ASA Version 8.2 (1)
    !
    hostname ASATWDS
    !

    names of
    name 10.1.11.0 remote control-network
    !
    interface Vlan1
    nameif inside
    security-level 100
    IP 10.1.10.1 255.255.255.0
    !
    interface Vlan2
    nameif outside
    security-level 0
    IP 192.168.24.210 255.255.255.0
    !
    interface Ethernet0/0
    switchport access vlan 2
    !
    interface Ethernet0/1
    !
    interface Ethernet0/2
    !
    interface Ethernet0/3
    !
    interface Ethernet0/4
    !
    interface Ethernet0/5
    !
    interface Ethernet0/6
    !
    interface Ethernet0/7
    !
    passive FTP mode
    access extensive list ip 10.1.10.0 outside_1_cryptomap allow 255.255.255.0 255.255.255.0 network-remote control
    access extensive list ip 10.1.10.0 inside_nat0_outbound allow 255.255.255.0 255.255.255.0 network-remote control
    pager lines 24
    Enable logging
    asdm of logging of information
    Within 1500 MTU
    Outside 1500 MTU
    ICMP unreachable rate-limit 1 burst-size 1
    don't allow no asdm history
    ARP timeout 14400
    Global 1 interface (outside)
    NAT (inside) 0-list of access inside_nat0_outbound
    NAT (inside) 1 0.0.0.0 0.0.0.0
    Route outside 0.0.0.0 0.0.0.0 192.168.24.1 1
    course outside remote control-network 255.255.255.0 192.168.24.1 1
    Timeout xlate 03:00
    Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
    Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
    Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
    Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
    timeout tcp-proxy-reassembly 0:01:00
    dynamic-access-policy-registration DfltAccessPolicy
    Enable http server
    http 10.1.10.0 255.255.255.0 inside
    No snmp server location
    No snmp Server contact
    Server enable SNMP traps snmp authentication linkup, linkdown cold start
    Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
    life crypto ipsec security association seconds 28800
    Crypto ipsec kilobytes of life - safety 4608000 association
    card crypto outside_map 1 match address outside_1_cryptomap
    card crypto outside_map 1 set pfs
    peer set card crypto outside_map 1 192.168.24.211
    card crypto outside_map 1 set of transformation-ESP-3DES-SHA
    card crypto outside_map 1 phase 1-mode of aggressive setting
    card crypto outside_map 1 the value reverse-road
    outside_map interface card crypto outside
    crypto ISAKMP allow outside
    crypto ISAKMP policy 10
    preshared authentication
    3des encryption
    sha hash
    Group 2
    life 86400
    Telnet timeout 5
    SSH timeout 5
    Console timeout 0
    dhcpd outside auto_config
    !
    dhcpd address 10.1.10.5 - 10.1.10.36 inside
    dhcpd dns 209.18.47.61 209.18.47.62 interface inside
    dhcpd allow inside
    !

    a basic threat threat detection
    Statistics-list of access threat detection
    no statistical threat detection tcp-interception
    WebVPN
    tunnel-group 192.168.24.211 type ipsec-l2l
    IPSec-attributes tunnel-group 192.168.24.211
    pre-shared-key *.
    !
    class-map inspection_default
    match default-inspection-traffic
    !
    !
    type of policy-card inspect dns preset_dns_map
    parameters
    message-length maximum 512
    Policy-map global_policy
    class inspection_default
    inspect the preset_dns_map dns
    inspect the ftp
    inspect h323 h225
    inspect the h323 ras
    inspect the rsh
    inspect the rtsp
    inspect esmtp
    inspect sqlnet
    inspect the skinny
    inspect sunrpc
    inspect xdmcp
    inspect the sip
    inspect the netbios
    inspect the tftp
    inspect the icmp
    !
    global service-policy global_policy
    context of prompt hostname
    Cryptochecksum:b4bea5393489da3aa83f281d3107a32e

    The Configuration looks good to me, but I think that you don't need next: -.

    card crypto outside_map 1 phase 1-mode of aggressive setting

    card crypto outside_map 1 the value reverse-road

    Anyway,.

    1 > can you please check if the computer you are trying to Ping or Telnet isn't the Machine based Firewall or anti-virus or iptables (Linux)?

    2 > dough out of the

    a > sh crypto ipsec his

    b > sh crypto isakmp his

    Manish

  • LAN to lan vpn between ASA and router 7200

    Hi friends,

    I need to configure the lan to lan between ASA vpn (remote location) and router 7200 (on our network).

    <7200 router="" (ip="" add:="" 10.10.5.2)="">-(Internet) -<(IP add:="" 192.168.12.2)="" asa(5510)="">---192.135.5.0/24 network

    I will have the following configuration:

    7200 router:

    crypto ISAKMP policy 80

    the enc

    AUTH pre-shared

    Group 1

    life 3600

    ISAKMP crypto key cisco123 address 192.168.12.2

    Cryto ipsec transform-set esp - esp-md5-hmac VPNtrans

    map VPNTunnel 80 ipsec-isakmp crypto

    defined by peer 192.168.12.2

    game of transformation-VPNtrans

    match address 110

    int fa0/0

    IP add 10.10.5.2 255.255.255.192

    IP virtual-reassembly

    no ip route cache

    Speed 100

    full duplex

    card crypto VPNTunnel

    access-list 110 permit ip any 192.135.5.0 0.0.0.255

    ASA:

    int e0/0

    nameif inside

    security-level 100

    192.135.5.254 Add IP 255.255.255.0

    int e0/1

    nameif outside

    security-level 0

    IP add 192.168.12.2 255.255.255.240

    access-list ACL extended ip 192.135.5.0 allow 255.255.255.0 any

    Route outside 0.0.0.0 0.0.0.0.0 192.168.12.3 1

    "pre-shared key auth" ISAKMP policy 10

    ISAKMP policy 10-enc

    ISAKMP policy 10 md5 hash

    10 1 ISAKMP policy group

    ISAKMP duration strategy of life 10-3600

    Crypto ipsec transform-set esp - esp-md5-hmac VPNtran

    card crypto VPN 10 matches the ACL address

    card crypto VPN 10 set peer 10.10.5.2

    card crypto VPN 10 the transform-set VPNtran value

    tunnel-group 10.10.5.2 type ipsec-l2l

    IPSec-attributes of type tunnel-group 10.10.5.2

    cisco123 pre-shared key

    card crypto VPN outside interface

    ISAKMP allows outside

    dhcpd address 192.135.5.1 - 192.135.5.250 inside

    dhcpd dns 172.15.4.5 172.15.4.6

    dhcpd wins 172.15.76.5 172.15.74.5

    dhcpd lease 14400

    dhcpd ping_timeout 500

    dhcpd allow inside

    Please check the configuration, please correct me if I missed something. I'm in a critical situation at the moment...

    Please advise...

    Thank you very much...

    Where it fails at the present time?

    Can you share out of after trying to establish the VPN tunnel:

    See the isa scream his

    See the ipsec scream his

    Please also run the following debug to see where it is a failure:

    debugging cry isa

    debugging ipsec cry

  • VPN IPSec ASA with two ISP active

    Hi ALL!

    I have a question.

    So I have ASA with 9.2 (1) SW connected to ISP with active SLA.

    I need to configure redundant IPSec VPN via ISP2, while all other traffic must go through isps1. In case if one of the ISP goes down all including VPN traffic must be routed via ISP alive.

    I have configured SLA and it works.

    ciscoasa # display route performance
    Route 0.0.0.0 isps1 0.0.0.0 10.175.2.5 5 track 1
    Route isp2 0.0.0.0 0.0.0.0 10.175.3.5 10 track 2
    Route isp2 172.22.10.5 255.255.255.255 10.175.3.5 1 excerpt 2

    Here we can see if isps1 and ISP2 are RISING, all traffic passes through isps1, but traffic intended for the remote peer IPSec 172.22.10.5 passes by ISP2.

    This configuration works just at the moment when isps1 or isp2 is down or if a static route for 172.22.10.5 deleted. Where two Internet service providers are increasing to ASA does not send the next remote IPSec datagrams.

    ciscoasa # display running nat
    NAT (inside, isp2) source static obj-INSIDE_LAN obj-INSIDE_LAN destination static obj-REMOTE_LAN obj-REMOTE_LAN no-proxy-arp-search to itinerary
    NAT (inside isps1) source static obj-INSIDE_LAN obj-INSIDE_LAN destination static obj-REMOTE_LAN obj-REMOTE_LAN no-proxy-arp-search to itinerary

    Crypto ipsec transform-set ikev1 ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
    Crypto ipsec pmtu aging infinite - the security association
    card crypto cm_vpnc 10 correspondence address acl_vpn
    card crypto cm_vpnc 10 set pfs
    peer set card crypto cm_vpnc 10 172.22.10.5
    card crypto cm_vpnc 10 set transform-set ESP-AES-256-SHA ikev1
    86400 seconds, duration of life card crypto cm_vpnc 10 set - the security association
    card crypto cm_vpnc interface isps1
    cm_vpnc interface isp2 crypto card
    trustpool crypto ca policy
    isps1 enable ikev1 crypto
    isp2 enable ikev1 crypto
    IKEv1 crypto policy 1
    preshared authentication
    aes-256 encryption
    sha hash
    Group 2
    life 86400

    ciscoasa # show ip
    System of IP addresses:
    Subnet mask IP address name interface method
    Vlan1 in 192.168.2.1 255.255.255.0 CONFIG
    Isps1 Vlan2 10.175.2.10 255.255.255.0 CONFIG
    Isp2 Vlan3 10.175.3.10 255.255.255.0 CONFIG

    The main question why?

    Thank you in advance,

    Anton

    Hi anton,.

    If you check the log message on your ASA R301-IS , he's trying to build the tunnel VPN with both IP and it receives packets of asymmetrically your distance ciscoasa.

    TO avoid this asymmetrical connection, point your IP from peers as primary & secondary on your R301-EAST

    set peer 10.175.3.10 10.175.2.10

    Delete the track on your routing entries

    Route isp2 172.22.10.5 255.255.255.255 10.175.3.5

    This should work for you.

    Similalry lower your ISP 2, you should see VPN tunnel is mounted with isps1 one.

    HTH

    Sandy

  • VPN between PIX with dynamic IP

    Can I make a VPN over the Internet with PIX or IOS VPN in each IP address dynamic and extreme (DHCP client) in the two extremes?

    Thank you

    If siempre sepas than las direcciones los extremos back there sets in el momento iniciar el tunel in peripheral los.

    Distinto are TR UN extremo tiene IP fija y el otro dinamica (vpn easy for example you can help ahi)

    --

    Alexis Fidalgo

    Systems engineer

    AT & T Argentina

  • Static translation with Port forwarding

    Hello

    I have a scenario in which two public ip address (the one with HTTP requests & other with query SMTP/SSL for OWA) must be translated on a single inside the ip of the ISA Server in the DMZ. Please suggest which is the best practice. I know that we cannot do a NAT because the two addresses ip cannot translate into one. Use the static translation with forwarding Port of best practice to access the ISA server for OWA? What is the best security that can be applied at the moment? I'm going to redirect only requests to port 80,8080,25,443,110. I'll also create access list to only allow as these ports.

    I need to recommend this to a client. Please advice.

    Thank you

    Kevin

    Port forwarding is the best way to go here. As you already know, you can enter a static for two outside IP pointing to an inside (or vice versa), but statically mapping ports just will be fine. Similarly, simply allow these ports in your incoming ACL and you'll be good to go.

    You want something like the following:

    static (inside, outside) tcp XXX1 80 a.a.a.1 80

    static (inside, outside) XXX1 8080 a.a.a.1 8080 tcp

    static (inside, outside) tcp x.x.x.2 25 a.a.a.1 25

    static (inside, outside) tcp x.x.x.2 110 a.a.a.1 110

    public static x.x.x.2 a.a.a.1 443 tcp (indoor, outdoor) 443

    list of allowed inbound tcp access any host XXX1 eq 80

    list of allowed inbound tcp access any host XXX1 eq 8080

    list of allowed inbound tcp access any eq 25 x.x.x.2 host

    list of allowed inbound tcp access any host x.x.x.2 eq 110

    list of allowed inbound tcp access any host x.x.x.2 eq 443

    Access-group interface incoming outside

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