Re: Redhat 9 and IP Masquerading

From: Stuart Sears (stuart_at_sjsears.com)
Date: 08/25/04

  • Next message: Brian D. McGrew: "Re: Redhat 9 and IP Masquerading"
    To: General Red Hat Linux discussion list <redhat-list@redhat.com>
    Date: Wed, 25 Aug 2004 19:42:29 +0100
    
    

    On Wednesday 25 August 2004 18:14, Brian D. McGrew wrote:
    > Good morning All:
    hi Brian. A bit more info please...
    > I'm trying to setup a Redhat 9 machine to do IP Masquerading on our
    > internal network with a DSL modem. We're using an old Dell PE2300
    > machine that seems to run the OS and X just fine. We've got two NIC's
    > in the box, a Linksys and a Netgear; both are working. I can put the
    > DSL on either card and get out to the world just fine.
    from internal hosts or just from the RH9 box?
    >
    > However, on the internal network I can not see nor ping any host. The
    > internal IP of the machine is 192.168.2.1 (which is the same as the old
    > DSL router that was physically removed). I can't ping anything. I
    > look at an ifconfig -a printout and it shows zero packets received but
    > a whole lot of dropped packets.
    have you turned on ip forwarding on your RH9 box?
    edit /etc/sysctl.conf
    then run sysctl -p
    >
    > I was always under the impression that I should be able to ping the
    > 'router' from the internal network and I can not. I've looked at
    > everything I can think of including 'Security Settings' and made sure
    > that (for now) the firewall is turned off (No Firewall). What else
    > should I be looking at here, any ideas?
    to clarify here:
    you cannot ping the internal IP of your RH9 box, correct?
    ie 192.168.2.1
    or are you trying to ping hosts beyond it?
    what is the default gateway on your internal hosts?
    # netstat -rn
    how are they connected to the RH9 box?

    how have you set up the IP masquerading?

    Stuart

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  • Next message: Brian D. McGrew: "Re: Redhat 9 and IP Masquerading"