Re: Maximum number of subnets on a firewall

[Devdas Bhagat <devdas () dvb homelinux org>]

On 28/01/04 21:31 +0200, Paolo Supino wrote:
> Hi 
>
>   The following story and question aren't product specific so please don't
> try to attach it to any available product: I was asked to plan a network for
> a group of 3 companies (all located in the same building and want to use the
> same infrastracture). From gathering the requirements of each of the
> companies I've concluded that all of them together will need 10 subnets
> (including the subnet that is connected to the internet). Since the biggest
> number of subnets per firewall that I ever installed was 6. Setting up 10
> subnets on 1 firewall (to me) seems too much for me so I'm looking for a way
> to have the 10 networks on 2 (or 3) different firewalls. If you have any
> suggestions on a possible layout I'd be very happy to read it.
                        Internet        Cloud
                                    |
                                    |                           |-C1 DMZ
                                Edge Router --------DMZ F/W-----|-C2 DMZ
                             /      |       \                   |-C3 DMZ
                            /       |        \
                     C1 LAN F/W  C2 LAN F/W  C3 LAN F/W

Hopefully, this might satisfy your requirements, with each C? LAN
Firewall actually being a 3 legged system.

Devdas Bhagat
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