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Routing public ips?

sundstorm
Hi! 

I have a setup where i want to place the astarobox as router/firewall for my c-class network. 

i have a XXX.79.164.*

and i use XXX.79.164.1 as gateway to my ISP. 

How should i configure Astaro, interfaces and routes to make this work?


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  • 0
    sundstorm,

    apply XXX.79.164.2/30 to the external interface and enable proxy arp. The internal interface gets  XXX.79.164.5/24 which becomes the default gateway address for your clients. This way you'll loose 4 adresses of your c-class network. If you do not want to work with proxy arp you'd have to change the interface netmask of your router to 30 bit (or 255.255.255.252) and add a static route to your c-class via XXX.79.164.2.

    Greetings
    cyclops
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  • 0
    sundstorm,

    apply XXX.79.164.2/30 to the external interface and enable proxy arp. The internal interface gets  XXX.79.164.5/24 which becomes the default gateway address for your clients. This way you'll loose 4 adresses of your c-class network. If you do not want to work with proxy arp you'd have to change the interface netmask of your router to 30 bit (or 255.255.255.252) and add a static route to your c-class via XXX.79.164.2.

    Greetings
    cyclops
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