Tony Graziano Wrote:

 

The server, with a public IP address and no firewall, is a bad BAD idea.
I wouldn't do that, no matter who I was.

 

The sipXecs server will not be behind NAT, but it WILL be behind a
firewall (see below.)

 

 

 

Todd Hodgen Wrote:

 

If the Server is on a Public Address, and the phones are on NAT
addresses,

how would they get to server without going through a router to get onto
the

same network as the server?  That is where your Nat will come in -

traversing the router.  Seems the Server would need to know they are
NAT, as

it will be NAT coming to the server.

 

 

 

You don't necessarily need NAT to allow a host with a public IP address
to communicate with a host that has a private address.

 

 

+----------+

| Internet |

+----------+

     |

 Firewall    (Filtering and Stateful Packet Inspection - No NAT)

     |

+---DMZ----+

| sipXecs  | (Public IP Address)

| Server   |

+----------+

     |

  Router     (If the phones don't require Internet access, then NAT is
not required here.

     |        The sipXecs server will simply have a static route to the
Phone Subnet)

     |

+-Phone Subnet-+

| Phones       | (Private IP Addresses)

+--------------+

 

 

 

 

Mike Burden

Lynk Systems, Inc

e-mail: m...@lynk.com

Phone: 616-532-4985

 

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