adding more than one outside IP address to a cisco asa5505

Posted on 2008-11-19
Last Modified: 2012-05-05
I am going to be running a VMware environment for some customers, what I want to do is for every server on the virtual machine I want to have an outside IP port forwarded it to it so for example web access (80) smtp(25). How would I add the extra IP addresses to the router and how is port forwarding handled?
Question by:Dan560
    LVL 5

    Expert Comment

    just do static NAT
    LVL 2

    Author Comment

    I have added static nat before but what I am trying to ask is how does the router communicate to the virtual machines?
    LVL 1

    Accepted Solution

    you should be doing static, 1-to-1 nat's.  That means that any port, such as port 80, would be available (firewall rules aside) from the outside IP.   Each VM will need to point to either:

         1.  A router who's default gateway points to the ASA, and point your VM's to the router
         2.  The ASA itself as the default gateway

    Are you running ESX or Server? your VM's will need to attach to a physical NIC first, and that nic will need to connect to the rest of your network.
    LVL 2

    Author Comment

    Oh ok, kind of understanding it now, I am running VMware server, what is ESX?
    LVL 1

    Expert Comment

    ESX is VMware's paid-for flagship product (not to be confused with ESXi, the free version of ESX).  It's alot better than vmware server, but it is much more involved that using vmware server, and alot more expensive.

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