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Option D: VLAN-capable Ethernet switch,
VLAN or Non-VLAN Edgewater appliance
Sub-option D1: VLAN-capable EdgeMarc
Characteristics
• EdgeMarc provides NAT, Firewall and DHCP Plug ‘n Dial to phones
• 3
rd
-party firewall provides NAT, Firewall and DHCP to PCs
• WAN interface has at least one free IP address:
− The EdgeMarc is assigned one IP address from the WAN subnet
− Other address(es), including the one already being used by the 3
rd
-party
Firewall/VPN device, are bridged through the EdgeMarc to its LAN interface.
• EdgeMarc LAN interface uses two VLANs
− VLAN #200 with private subnet for phones (associated with EM LAN port 2).
This LAN uses 802.1q frames.
− VLAN #2 with a public subnet for the 3
rd
-party VPN / Firewall device (associated
with EM LAN port 3). This LAN uses standard 802.1 frames.
Limitations
• Requires VLAN-capable and CDP-capable Ethernet switch and phones.
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