Ryan Coleman wrote on Thu, Jun 25 2015 at 10:03 am:
> So I got FTTO from the local non-telco and they have a static IP for my
> firewall
> separate from my assigned block and my block is definitely not in a routable
> space with the master IP.
>
> Let’s assume the configuration is something like this…
>
> Firewall: 10.0.12.55/30 -(Gateway, for sake of argument, is 10.0.12.56)
> Statics: 192.168.120.16/29 (so .17 through .21 are usable)… they say they are
> forwarding to the firewall…
Assuming you've used private IPs in your example and actually have
public IPs on both sides, what they've done is to route the entire subnet to
you. pfSense's WAN would use 10.0.12.56 and computers on the LAN could use the
public IPs directly. pfSense is what would do the routing between them.
pfSense would use, say, 192.168.120.17 for its LAN IP and that would be the
gateway on your computers. So .18-.22 would be usable on your "LAN" side.
--
Steve Yates
ITS, Inc.
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