Ethernet LAN Private LAN across WAN??

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Subject Author Date
Private LAN across WAN?? qazmlp1209 12-05-06
Posted by on December 5, 2006, 2:58 am
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Is it feasible to setup a private LAN between 2-3 servers that are
located across WAN? In my understanding, the private LAN is normally
setup, when the servers are in local site. Also, we can setup a VLAN in
this case, but it becomes a Public LAN. Am I right?


Posted by AM on December 5, 2006, 3:28 am
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qazmlp1209@rediffmail.com wrote:
> Is it feasible to setup a private LAN between 2-3 servers that are
> located across WAN? In my understanding, the private LAN is normally
> setup, when the servers are in local site. Also, we can setup a VLAN in
> this case, but it becomes a Public LAN. Am I right?
>

Are you looking for VPNs, perhaps?
Or just enable cryptography in order to maintain the confidentiality of data
among them.

Alex.

Posted by rdymek on December 6, 2006, 2:29 am
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You are looking for a VPN (Virtual PRIVATE Network). It is not a
public LAN, it remains private to anyone who has credentials. You can
even get more detailed by forcing remote VPN users to be part of a
domain which would still control access to domain resources.

A VLAN has nothing to do with what you are discussing. A VLAN segments
your network locally and is layer 2 only (will not traverse a WAN). A
VLAN is generally considered a separate subnet/network segment allowing
multiple segments per switch. Without VLAN's, a separate switch would
be required for each subnet.

If you create a VPN it would accomplish what you are wanting to do but
also requires cryptographic IOS or a PIX to be in the scenario.

Ryan

qazmlp1209@rediffmail.com wrote:
> Is it feasible to setup a private LAN between 2-3 servers that are
> located across WAN? In my understanding, the private LAN is normally
> setup, when the servers are in local site. Also, we can setup a VLAN in
> this case, but it becomes a Public LAN. Am I right?


Posted by on December 6, 2006, 3:41 am
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rdymek wrote:
> You are looking for a VPN (Virtual PRIVATE Network). It is not a
> public LAN, it remains private to anyone who has credentials. You can
> even get more detailed by forcing remote VPN users to be part of a
> domain which would still control access to domain resources.
Thanks for the information.

> A VLAN has nothing to do with what you are discussing. A VLAN segments
> your network locally and is layer 2 only (will not traverse a WAN). A
> VLAN is generally considered a separate subnet/network segment allowing
> multiple segments per switch. Without VLAN's, a separate switch would
> be required for each subnet.
Now, (when VLAN cannot be used for it) I am curious to know about
setting up a Public LAN with the 2-3 servers that are located across
WAN. What are the options available to configure such a setup?


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