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Old 05-02-2004, 05:48 PM   #1
johnny_boy_2k3
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Registered: May 2004
Posts: 1

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Unhappy how to configure 6 NICs on Red hat 9.0 to make a firewall/router for 5 lans?


Hi, I have a problem here, what should I do to make this work

ingredients :
- Pentium III 500 MHZ 384 MB RAM running red hat 9.0 to act as a firewall
router. machine ( A )
- DSL connection on (A)eth0 : IP assigned dynamically by ISP

- (A)eth1 : ip 192.168.0.1 crossover cable to PC(B)eth0: ip 192.168.0.6
- (A)eth2 : ip 192.168.0.2 crossover cable to PC(C)eth0: ip 192.168.0.7
- (A)eth3 : ip 192.168.0.3 crossover cable to PC(D)eth0: ip 192.168.0.8
- (A)eth4 : ip 192.168.0.4 crossover cable to PC(E)eth0: ip 192.168.0.9
- (A)eth5 : ip 192.168.0.5 crossover cable to pC(F)eth0: ip 192.168.0.10

Schematic :

[....PC (B)...]......[ Personal Laptop (F) administrator]
.........e0........................e0
.........||...........................||
.........||...........................||
____e1_____________e5____
|..F.i.r.e.w.a.l.l....B.o.x...(A)........|=e0====[ DSL modem ]====( internet )
''''||''''''''''''''''''||''''''''''''''''''||''''
..e2...........e3...........e4
...||.............||..............||
...||.............||..............||
..e0............e0............e0
|''''''''''|......|'''''''''|........|''''''''|
|pc(C)|.....|pc(D)|......|pc(E)|
|____|.....|____|.......|____|


all the computers here will be running red hat 9.0, the computer that
will be making the connection to the isp is in fact machine (A)

any ideas how can i make all computers capable of communication with each other ? and connect to the internet and also be accessed from the
internet ? suppose I run a web server on machine C for example ..
will I be able to do so ?


thanks a lot
 
Old 05-02-2004, 09:28 PM   #2
TheOther1
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Registered: Feb 2003
Location: Atlanta, GA
Distribution: RHAS 2.1, RHEL3, RHEL4, SLES 8.3, SLES 9, SLES9_64, SuSE 9.3 Pro, Ubuntu, Gentoo
Posts: 335

Rep: Reputation: 32
You don't need 6 NICs. All of the PCs are on the same network. you need this:

DSL --> RH9A --> Switch --> rest of PCs

You can get a cheaep 100 Mb switch for < $50, probably the same or less than 4 more NICs. This way you need 2 NICs in machineA.
 
  


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