Re: Help In network configuration.
From: Doug Sherman [MVP] (dsherman_at_nospamtampabay.rr.com)
Date: 02/10/04
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Date: Tue, 10 Feb 2004 03:33:47 -0500
The DLink and many other routers will easily meet your requirements. I
mentioned the DLink because it is capable of mapping more than one public IP
address - a feature which some cheaper routers don't offer.
The idea is to assign private IP addresses to all computers including your
'Central Servers'. That way they can all communicate with eachother. You
then use your hardware router to map the public IPs or appropriate ports to
the private IP addresses of your Central Servers. As I said previously, you
could also place the Servers in a DMZ and the router would still allow you
to communicate with them. This is another feature supported by routers such
as the DLink.
Doug Sherman
MCSE Win2k/NT4.0, MCSA, MCP+I, MVP
"Chip" <anonymous@discussions.microsoft.com> wrote in message
news:d71201c3ef80$c438b950$a001280a@phx.gbl...
> Hi Doug,
>
> Thanks for your valuable inputs. Since this will be a 24x7
> production setup, I cannot afford for a software NAT.
>
> Firstly, I will be having a 1Mbps internet bandwidth from
> a ISP which is expected to be terminated on
> Firewall/router. From that point I will pull a RJ45 Cable
> to a Gigabit Switch. Assign two public IPs to the 2
> Centralised Servers & gateway settings(these servers will
> have their own SAN boxes)and open relevant ports in the
> firewall. The application Servers will have private IP's
> and as i wrote earlier.. they should be able to talk to
> Central Servers. Any other Ideas?
>
> Sorry I thought it would be a lengthy post initially &
> restricted myself.
>
> Sincere Regards
>
> Chip
> >-----Original Message-----
> >You can put all these servers on a single ethernet
> network and use a
> >hardware router to map the 2 public IPs to the Central
> Servers. You don't
> >tell us what kind of Internet connection you have, but an
> example of a full
> >featured Cable/DSL router is: http://dlink.com/products/?
> pid=66 - cost
> >about $300 - you can probably find suitable devices for
> less. The DSL 300
> >and many other such devices also provide DMZ support so
> you can isolate your
> >public servers for extra security.
> >
> >You could also configure a software router by installing
> a second NIC card
> >in one of your Central Servers, connect all other
> machines through a switch
> >to one NIC, and connect the other NIC to your Internet
> connction. Then use
> >Win2k or Server 2003 RRAS to configure NAT, map the other
> IP address, etc.
> >
> >Don't know exactly how your PSTN fits into all of this.
> >
> >Doug Sherman
> >MCSE Win2k/NT4.0, MCSA, MCP+I, MVP
> >
> >"Chip" <anonymous@discussions.microsoft.com> wrote in
> message
> >news:d86001c3ef3c$0658e070$a501280a@phx.gbl...
> >> Hi,
> >>
> >> I guess I might not be posting my query in right place.
> >> But I thanks in advance if someone can suggest me a
> >> solution or a right news group..
> >>
> >> I am doing sketch for a newtork configuration. The
> network
> >> will have 24 application servers, 2 Central Servers (
> >> hosting IIS(www,ftp,smtp), SQL Server 2000.
> >>
> >> The application servers will be interfaced to a PSTN &
> >> the 2 Central servers will be on Public IP Network.
> since
> >> I cannot buy 24 public IPs for the application servers I
> >> want to put them in private network . Now how do I make
> >> the application servers which are in private network to
> >> communicate with Central Servers of Public network?.
> >>
> >> I need this so that the application server can
> communicate
> >> with MS SMTP of Central Server for sending emails using
> >> CDO and communicate with SQL Server for some other
> >> operations. The application servers should also be able
> >> to access Internet for Just in case for windows Updates,
> >> virus updates etc.
> >>
> >> I am looking for a hardware based solution at a
> reasonable
> >> cost. something like Network Address Translating device.
> >>
> >> Regards
> >>
> >> Chip
> >
> >
> >.
> >
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