How Configure Cisco PIX 506E with Virtual interface as DMZ

Posted on 2006-06-06
Last Modified: 2013-11-16
Is it possible to create a virtual DMZ interfaces with Pix 506E ? If so how about doing this, please provide a step by step procedure. What version of the Cisco PIX 506E will support the virtual interfaces that will extend the Pix 506E interfaces ?
Question by:tssiva
    LVL 9

    Expert Comment


    Regarding your question verion 6.3.3 and above supports VLAN on PIX 506 and 506E.

    Please try the following:

    nameif ethernet0 outside security0

    nameif vlan1 dmz security50

    ipaddress outside

    ipaddress dmz

    Also you could review the following link for more information:


    LVL 11

    Expert Comment

    Also to add to the above it tags the internal interface as the DMZ interface , so connect this port to a VLAN trunk port which accepts packets from both DMZ vlan and also the regular interface vlan as well.

    Author Comment

    Well, i need to place my public DNS servers in the DMZ so how do you configure your DMZ with public address, same subnet as your outside interfaces ?

    Example: ------ ( router) --- ( pix  outside interface )
                                                                                (pix inside interface ) ---- >
                                                                                ( DMZ interface ) ---- i need place the public DNS servers ?
                                                                                                               so can this be> ?

    Please provide me step by steps since i am very new to Cisco IOS !


    LVL 9

    Accepted Solution

    Please try the following:

    pixfirewall> enable
    pixfirewall# config terminal
    pixfirewall(config)# nameif vlan1 dmz security50
    pixfirewall(config)# ip address outside
    pixfirewall(config)# ip address dmz
    pixfirewall(config)# write mem

    Hope this helps!

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