Re: [FW1] Netmasks on different NIC's

[Carric Dooley <carric@com2usa.com>]

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I personally hate being forced to use VLSM when defining nets on a
firewall, but if that's the way you want to do it... have fun.  =)

NIC6 however has a big problem.  The only time you can supernet is using
BGPv4.  If you want to use a class B for your internal net, use 172.16-31.
or subnet out a class A (10.0.0.0).

On Mon, 4 Oct 1999, [iso-8859-1] Bjørnar B. Larsen wrote:

> 
> I've got FW-1 ver4 sp3 running on NT4 SP4.
> 
> Forgive me if I'm out where the buses don't run:
> 
> One of our vendors told me you couldn't play with the netmasks on the
> Network Interface Cards as you wanted. We own a C-range, and I'm interested
> in having the following setup:
> NIC1: xxx.xxx.xxx.33-64 mask 255.255.255.224 (32 addresses)
> NIC2: xxx.xxx.xxx.65-96 mask 255.255.255.224 (32 addresses)
> NIC3: xxx.xxx.xxx.97-104 mask 255.255.255.248 (8 addresses)
> NIC4: xxx.xxx.xxx.105-112 mask 255.255.255.248 (8 addresses)
> NIC5: xxx.xxx.xxx.113-144 mask 255.255.255.224 (32 addresses)
> NIC6: 192.168.xxx.xxx mask 255.255.0.0 (B range for local net)
> 
> Does this look all right to you, or do I have to group these address ranges
> differently?
> 
> 
> Thanks for your input,
> 
> 
> :) Bjørnar
> 
> 
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