I'll take a stab at it.
Take the NAT workstations and connect then to a hub. In the same hub
connect the STN box (inbound card, 192.168.0.1). Configure the NAT
workstation with gateway 19.268.0.1.
Set the outgoing NIC on the STN as one of the fixed IP's given by provider.
Connect the outgoing STN NIC to "another" hub. And in that hub are the
other workstations with the other dedicated IP addresses.
Now from this second hub. If you have an uplink to a DSL or Cable modem,
you should all be in at this point. But, the rub here is how one connects
the "dial-in" scenario.
But my big question is, so the ISP gave you a block of IP addresses. Who
cares. Why not just NAT you way out. It all works the same going out. Do
the dedicated IP's do anything for you? I was under the impression that
although you are given dedicated IP's they are registered to the ISP and
don't offer you "a dedicated inbound route". Im I incorrect in this
understanding?
Arnie
Zoran Ristov wrote:
> No I don't mean frame relay (sorry for the confusion Richard,
> I will now give more details). Situation is simple. Connection
> point with Internet is dialup ISDN or analog modem, one of them
> is backup. ISP is providing me with block (I miss called it frame)
> of 8 fixed IP addresses, not one as usual with normal users. So, cabling
> scheme is now simple, modem attached to telephone line,
> STN box with ethernet card on the other side, simple hub connected
> to it, and 8 Win95 workstations connected on the hub. My question
> was, is it possible with this cabling scheme, STN box to do
> routing of four of the fixed IP addresses to four workstations
> configured on that fixed addresses, and fifth available fixed
> address to be used by STN box with NAT, and the rest four
> workstations to use that translation on addresses 192.168.0.X
> assigned by STN's DHCP.
> That is what I mean, four workstations working with fixed IPaddresses,
> and four workstations with dynamic IP addresses
> with NAT, at the same time, and with same STN box. All behind
> STN's firewall. Or maybe with two ethernet cards attached on
> STN for two internal subnets, one with fixed addressing scheme
> using STN as router, and second one with NAT and DHCP on one
> fixed IP address.
>
> Cheers
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