
Local Area Network (LAN) Architecture
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Network 4.1 - Independent Voice & Data LANs, LAN-side 3
rd
-party data
firewall
EdgeMarc model supported
• 4300T
• 4500E, 4500T4
EdgeMarc provides firewall services for phones. An alternate firewall, on the LAN side of the EdgeMarc is used
to firewall PCs and servers. The EdgeMarc connects to a CPE Internet Gateway Router or directly to the Internet.
Two drops per cube/desk are used.
Using the EdgeMarc’s Proxy ARP feature, it is possible to drop in the EdgeMarc without making any
configuration changes to the customer’s firewall. To do this the customer’s ISP must provide at least two public
IP addresses. The current IP address will (continue to) be used by the customer’s firewall device. A new one will
be assigned to the EdgeMarc.
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