Edgewater Networks 4200 Series Manual de usuario descargar pdf (Pagina 28)

Page 28

Option E – 3

-party Firewall in front of Edgewater appliance

Characteristics

• External device provides port firewalling

• EdgeMarc provides Traffic Shaping (by having the servers, PCs and phones behind

the EdgeMarc)

• EdgeMarc provides DHCP and NAT to PCs and phones

• EdgeMarc provides IP address passthrough from firewall to servers

Limitations

• This scenario is more complex than the above in that it requires the firewall to open

ports necessary for VoIP protocol.

Diagram

Internet

67.51.51.0/30

(67.51.51.0-3)

67.40.40.0/28

(67.40.40.0-15)

DMZ Subnet

No DHCP

67.40.40.3

67.51.51.4/30

(67.51.51.4-7)

Firewall

No VPN

No NAT

192.168.1.0/24

(192.168.1.0-255)

Phones and PCs Subnet.

DHCP Enabled, from EM

192.168.1.1 and 67.40.40.1

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Edgewater Networks 4200 Series Manual de usuario Pagina 28