Nat : Change destination ip

Discussion in 'Cisco' started by Bruno, Jun 29, 2004.

  1. Bruno

    Bruno Guest

    Hi

    Currently, I have this configuration :
    10.51.1.8
    +--------+ +----------+ +--------+
    | Host 1 | ------- Route 1 ---------> | Router 1 | -----------> | Web |
    +--------+ |static NAT| 10.54.4.50 | Server |
    192.168.1.50 +----------+ +--------+

    ----------- My Company -------------------------- | ---- some provider ----

    Router 1 does nat :
    ip nat inside source static 192.168.1.50 10.54.4.50


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

    Because it is really important for us to be connected, we have ordered a
    second line

    10.51.1.8
    +----------+ +----------+ +--------+
    |Computer 1| ------- Route 1 ---------> | Router 1 | -----------> | Web |
    +----------+ |static NAT| 10.54.4.50 | Server |
    192.168.1.50 +----------+ +--------+
    ^
    +------------+ +----------+ |
    | Computer 2 | ------- Route 2 ---------> | Router 2 | ------------------+
    +------------+ |static NAT| 10.68.7.50
    192.168.2.50 +----------+

    ---------------- My Company -------------------------- | ---- some provider ----

    Router 1 does nat :
    ip nat inside source static 192.168.1.50 10.54.4.50

    Router 2 does nat :
    ip nat inside source static 192.168.2.50 10.68.7.50

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

    It works but we'd like to have only one computer that would
    have nat on both routers :
    Router 1:
    ip nat inside source static 192.168.1.50 10.54.4.50

    Router 2:
    ip nat inside source static 192.168.1.50 10.68.7.50


    But I need to tell the computer which route it has to take.

    I've tried to set up a virtual address using
    ip nat outside destination static 192.168.100.200 10.51.1.8

    (192.168.100.0/24 is the network of router 1)


    ip nat outside destination static 192.168.120.200 10.51.1.8

    (192.168.120.0/24 is the network of router 2)


    Then I would put a load balancing on my Dns.


    However the ip nat outside destination does not work.

    Do you have any idea ?

    Thanks,
    Bruno
    Bruno, Jun 29, 2004
    #1
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