My GUESS is they are routing everything over their network in an mpls sort of way. If that is true, it is based on those IP addresses you are currently using, and there would be a fair amount of router config on each router in order for you swith to a different address scheme. You will most certainly need to visit with DTS.
On Fri, May 2, 2008 at 7:41 AM, Joe Heaton <[EMAIL PROTECTED]> wrote: > Maybe I'm just being stupid here, but I need some help figuring out how > my network actually works. > > I work for an agency within the state government of California. > I have 4 sites, Sacramento, Bay Area, LA area, and San Diego. > Another state agency, Department of Technology Services (DTS) is our ISP. > > Our 4 sites are connected through DTS's network. > DTS has a router (Cisco 2600 series), at each of our sites, which I have > no access to. > At the moment, we are using public IP subnets at all sites. > Running Active Directory, one domain, single DNS server, here at the > central office, DCs at each site. > Server 2003, Enterprise Edition. > When I open up My Network Places, I am able to see computers at all sites, > within the one network display. > When I map a drive, I'm able to map through UNC (\\server\share) > > My question(s) start here: > > How is the network able to be shown as a single network, while being > routed over DTS's equipment? > Does this mean that DTS has setup VLANs for my network, so that the > routing doesn't go over "public" networks? > What "magic" is happening in the background that makes the network work? > > The reasons for the questions are that we are planning on migrating to > private IPs, and I want to know going in that the network will still work > with those private IPs in place, instead of the publics. If I need to bring > DTS in on the plan, in order for them to setup VLANs, or whatever, then I > need to know that going in also. > > Again, maybe I'm just being dense, but for some reason, it's not making > sense to me. Let me know if there's more info that you need, to help me > figure out what's going on. Can also give me a shout on the phone, to > discuss. > > Thanks in advance, > > Joe Heaton > AISA > Employment Training Panel > 1100 J Street, 4th Floor > Sacramento, CA 95814 > (916) 327-5276 > [EMAIL PROTECTED] > > > ~ Upgrade to Next Generation Antispam/Antivirus with Ninja! ~ ~ <http://www.sunbelt-software.com/SunbeltMessagingNinja.cfm> ~
