DNS replication on 2 domain on 2 forests

[Herb Martin]

Herb, I'm done with this thread. You can keep talking if you like.

Let's hope the original poster found it beneficial and got the answer he
was seeking.

Ace

Why do people who say "I am tired of arguing" always
seem to post just one more message doing just that?

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

 

[Kevin D. Goodknecht Sr. [MVP]]

Its on the same subnet

1 domain is on a 10.10.1.1
the 2nd domain is on a 192.168.1.1
with both having subnet 255.255.255.0

is it possible only with a switch or i really need a router ???

Not with a switch using these IP addresses, you have confused subnet masks
with subnets. It is the subnet mask that gives a subnet it network id.
10.10.1.1 with a mask of 255.255.255.0 gives you a subnet of 10.10.1.0/24
with 254 usable IPs in the subnet. (10.10.1.1-10.10.1.254)
192.168.1.1 with a mask of 255.255.255.0 gives you a subnet of
192.168.1.0/24 also with 254 usable IP address (192.168.1.1-192.168.1.254)
These two subnet can exist on the same network with only a switch, but they
cannot see or communicate with each other without a route between the
subnets which take a router.
In addition, since you are setting up a trust (and likely want network
browsing in Network Places), you need NetBIOS resolution, which rules out
most in-expensive routers because they cannot pass NetBIOS broadcasts
between the subnets, for this you need a WINS server for each subnet.

If both domains are on a single switch, forget splitting the subnets and put
them both on the same subnet something like 192.168.0.0/23 or 10.10.0.0/23,
which would be a mask of 255.255.254.0 gives you the same number (510) of
usable IP addresses, on one subnet and one switch.

because i need a trust to move stuff from one domain to the other and
after shutdown the first domain.

I dont know if its will be more easy just to start from scratch (only
have 17 users) both my problem is i dont want to redo all security.
But if its more easy i will start from scratch

Scratch my earlier paragraph, with only 17 users you don't need 510 IP
address, 254 addresses on a /24 network is far more than you'll need.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
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[Nico2005]

Hey guys

Really thank you for your answer. It was for testing purpose before
doing this in a production environment. I needed to create a new domain
and move everything from domain 1 to domain 2 and shutdown domain 1.
But things has changed here and i dont need to create a whole new
domain.

And with 17 users i dont think it will worth the time to do tests and
tests than export my exchange with Exmerge and restart from scratch.
But i learn a lot from your answers

Thank you again
Nico

 

[Kevin D. Goodknecht Sr. [MVP]]

Hey guys

Really thank you for your answer. It was for testing purpose before
doing this in a production environment. I needed to create a new
domain and move everything from domain 1 to domain 2 and shutdown
domain 1. But things has changed here and i dont need to create a
whole new domain.

And with 17 users i dont think it will worth the time to do tests and
tests than export my exchange with Exmerge and restart from scratch.
But i learn a lot from your answers

What gave you the impression that you needed to have each domain on its own
subnet in order to set up a second forest on the network?
Technically, you can have as many forests as you have IP addresses on a
network, (one IP Per DC)

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
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