Let two objects point to the same destination/address

Discussion in 'Cisco' started by maliwi, Apr 1, 2008.

  1. maliwi

    maliwi Guest

    hi,


    on a ASA 5520 I want to create a forwarding rule: there exists already
    a rule from outside 1.2.3.4 on the server 192.168.0.1 in the DMZ.

    Now, another external address, lets say 1.2.3.55, has to be forwarded
    to the server 192.168.0.1 in the DMZ; I created the object
    srv_1.2.3.55, but when i want to add a static nat rule to 192.168.0.1,
    the asa is refuseíng it with a message "object already exists".


    how is it possible to forward two addresses to the same serveraddress?



    thanx in advance!


    maliwi
    maliwi, Apr 1, 2008
    #1
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  2. maliwi

    Trendkill Guest

    On Apr 1, 3:26 am, maliwi <> wrote:
    > hi,
    >
    > on a ASA 5520 I want to create a forwarding rule: there exists already
    > a rule from outside 1.2.3.4 on the server 192.168.0.1 in the DMZ.
    >
    > Now, another external address, lets say 1.2.3.55, has to be forwarded
    > to the server 192.168.0.1 in the DMZ; I created the object
    > srv_1.2.3.55, but when i want to add a static nat rule to 192.168.0.1,
    > the asa is refuseíng it with a message "object already exists".
    >
    > how is it possible to forward two addresses to the same serveraddress?
    >
    > thanx in advance!
    >
    > maliwi


    Why can't you use the same external address? Why must it be two
    different external addresses?
    Trendkill, Apr 1, 2008
    #2
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  3. In article <>,
    maliwi <> wrote:

    >on a ASA 5520 I want to create a forwarding rule: there exists already
    >a rule from outside 1.2.3.4 on the server 192.168.0.1 in the DMZ.


    >Now, another external address, lets say 1.2.3.55, has to be forwarded
    >to the server 192.168.0.1 in the DMZ; I created the object
    >srv_1.2.3.55, but when i want to add a static nat rule to 192.168.0.1,
    >the asa is refuseíng it with a message "object already exists".


    >how is it possible to forward two addresses to the same serveraddress?


    They must be distinguished by port number(s). Otherwise, when
    a packet from 192.168.0.1 wants to go out, the ASA would not know
    which IP address to use.
    Walter Roberson, Apr 1, 2008
    #3
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