How do I preserve network communication among all schools on the network given the addition of three new routers on the network?

175 pts.
Tags:
Domain
Fibre switch
Microsoft Windows Server 2003
Networks
Routers
Question: We currently have a flat network between seven schools in our school division using LANSPAN. Their is only one router in the network at our Central Office where all Internet traffic comes through. Now, fibre technology has been added to all schools with a router in place at each school. All schools need to be able to continue to communicate with each other as they are part of one domain, with the main server (Server 2003 environment) being housed at our Central Office. What is the easiest way to maintain communication between all schools in our school divisions network given the addition of these routers? Can I just configure these new routers at each school to point to the router at our Central Office. Will this do it or is there something more I need to do?

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You can do this if all traffic should first go to the main site and not directly between sites. So, if the main site WAN side (fiber side) is 10.1.0.254 then the default route on each of the other site’s routers would be this address. This means that all traffic between sites would go to the hub site and then back out to the destination site. This may or may not create performance issues but does bear watching.

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  • Skenny
    Each school has a secondary domain controller in it. Will DHCP, which is running on the main server only at the Central Office site still function in this new environment as mentioned above. Will the domain environment with the main domain controller at the central site and a secondary server at each school continue to work in this new environment.
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  • Kevin Beaver
    Even though you've got fiber running everything I'd think the network would run more efficiently if the schools could talk directly with each other rather than having to go through the CO first. I setup a WAN similar to this in a school district I used to work for and it performed nicely.
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  • Labnuke99
    Yes... the DC's should continue to work as already designed. You will need to check things out though after implementing an IP address schema. DHCP will continue to work but it will require DHCP helper (or relay) on the routers at the downstream sites. The problem with having one DHCP server at the main site though is that client computers won't be able to get IP addresses if the link to the main site is down. You should implement DHCP on the local DC's at the sites and use the DHCP server at the main site as a secondary DHCP server with non-overlapping scopes.
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