On Tue, 19 Oct 1999, Brian Beattie wrote:
:On Tue, 19 Oct 1999, Nick Rogness wrote:
:
:> On Tue, 19 Oct 1999, Zuidam, Hans wrote:
:>
:> > I want to set up a test network which (partly) mirrors our production
:> > side network. To match reality as close as possible we keep the IP
:> > addresses in the test network the same as in the production network. In
:> > order not to run around with tapes between the two networks, I would like
:> > to create the following setup:
:> >
:> > (~~~~~~~~~~) (~~~~~~~~~~)
:> > ( ) +---------+ ( )
:> > + + | | + +
:> > ( 130.144.120/22 ) ------ | FreeBSD | ------ ( 130.144.120/22 )
:> > + (real) + | | + (test) +
:> > ( ) +---------+ ( )
:> > (~~~~~~~~~~) (~~~~~~~~~~)
:>
:>
:> You can't split 2 identical networks, with identical
:> netmasks across 2 interfaces unless you are running some sort of
:> BRIDGE or transparent proxy support. Even then, if you have the
:> same IP's on both networks you will run into problems with routing
:> and ARP entries on the FreeBSD machine.
:>
:> If you are looking to connect the 2 networks together, run a
:> different ip range on the (test) network, like the 10.0.0.0
:> or 192.168 network. If you are not connecting to the internet then
:> you will not need to run NATD, just make sure that the
:> gateway address of the machines on both sides are pointing to the
:> corresponding FreeBSD interface IP.
:>
:>
:
:How about:
:
: (~~~~~~~~~~) (~~~~~~~~~~)
: ( ) +-------+ +-------+ ( )
: + + | | | | + +
: ( 130.144.120/22 ) -- |FreeBSD| ---- |FreeBSD| --( 130.144.120/22 )
: + (real) + | | | | + (test) +
: ( ) +-------+ +-------+ ( )
: (~~~~~~~~~~) (~~~~~~~~~~)
:
:Using 10.0.0.0 on the network in the middle
You're going to have to work some magic even for that. You've got two
boxes who both think 130.144.120/22 is a directly connected network.
Routing to the other network without confusing your routers is going to be
tricky, if it's even possible.
Jamie Bowden
--
If we've got to fight over grep, sign me up. But boggle can go.
-Ted Faber (on Hasbro's request for removal of /usr/games/boggle)
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