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Sub-option A2: Single LAN Ethernet, using separate PC & Phone subnets

Characteristics

• EdgeMarc provides NAT and Firewall to phones

• 3

-party firewall provides NAT, Firewall and DHCP to PCs

• WAN interface has 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

-party

Firewall/VPN device, are bridged through the EdgeMarc to its LAN interface.

• EdgeMarc LAN interface uses two VLANs

− VLAN #2730 with private subnet for phones (associated with EM LAN port 4).

This LAN uses standard 802.1 frames.

− VLAN #2 with a public subnet for the 3

-party VPN / Firewall device (associated

with EM LAN port 3). This LAN uses standard 802.1 frames.

Limitations

• DHCP and Plug ‘n Dial not available for Phones

− Phones must be manually configured with IP addresses in the 10.10.10.0 subnet

and a SIP Proxy or MGCP Control Server address of the EdgeMarc.

• This configuration is only possible on Edgewater appliances that provide VLAN

support, (200/250/4300/4500/4600 Series EdgeMarcs).

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Edgewater Networks 4200 Series Manual de usuario Pagina 8