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Need advice on subnetting

swoc
I have a /28 network assigned by an ISP. I split the network into two /29 sunets. This gives me a /29 network that faces the internet and a /29 network for my DMZ zone. Problem is with /29 network I only get 6 usable IP adresses in the DMZ zone (which I already use all of them) but leaves 4 unused IP addresses in the zone facing the internet.

Is there a better / more efficient way of implementing the firewall? Nothing comes to my mind.

Thank you


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  • 0 in reply to Krycek
    I'm assuming you have a real subnet.

    So, ideally, ISP gives you an external IP on their router's subnet, routes your subnet through your external IP, you give astaro an IP internally, and astaro (automatically) handles the rest.

    If they won't give you an external IP, then you'll have to subdivide your network, and use part of it (like a /29) for the external side, and the rest internally.

    Barry