We have a network with the following configuration:
1) Windows 2003 sbs Server with Dhcp (range 10.80.70.x)
2) Connected to Adsl router which gives internet access.
3) The network consist of 4 managed switches, all the pcs in the entire
building each have a vlan port connected to their NIC.
4) We have voice calls over the Lan (VOIP), though the phones are analogue
with with a lan connection.
5) There are avaya phone switches for controlling the telephone
infrastructure, again each phone has a port.
6) The building consist of different organisations, one organisation is a
domain and the others are peer to peer networks, which looks like this:
Org A --- Org B --- Org C etc.
Now the thing is you can not ping between the organisations, but ideally
what everyone wants is a configuration where you can not see the other
organisations i.e in my Network places you cannot see A from B C from B
etc.
The server belongs to one of the orgaisations which is where the domain is
situated and this is the one that is a Dhcp.
My understanding of Managed switches is that you can create a VLAN,how can
we do it so that organisations cannot see one another. This is being seen
as a security loophole since if you have a determined cracker they can get
into the various networks.
What I need is a simple understanding of achieving this before I move to
configuring the switches, preferably with drawings.
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