Cisco PIX 501 with ADSL Modem

Discussion in 'Cisco' started by iantaylor, Jun 12, 2009.

  1. iantaylor


    Jun 12, 2009
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    Hi Guys,

    Found this forum, looks very good! 8)

    Too start off then, I got my hands on a Cisco PIX 501 Firewall the otherday and would like to install it in my small network.

    At present I have a Netgear FVS114 firewall but I want to replace this with the Cisco.

    I have a router which is in modem mode which is a Netgear DG834N ADSL2+, I now want to put the Cisco behind this, I've managed to get onto the PDM GUI and set a IP up of and the Netgear DG834N ADSL2+ is

    I cant seem to get the PIX working at all!
    iantaylor, Jun 12, 2009
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  2. iantaylor


    Jun 15, 2009
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    If your Netgear DG834N is has the gateway IP of and I assume the default subnet of is still set, the pix with an IP of is on technically another network.

    You will need to change the IP on the pix to be on the same network address as the Netgear i.e. (/24=

    maybe this way:
    log on via console
    log in
    ip address inside
    ip address outside (your gateway address)

    the above is a guess as i have not really used pix, failing that follow the below link:

    hope that helps
    denz2376, Jun 15, 2009
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