Edgewater Networks 4200 Series Manual de usuario descargar pdf (Pagina 9)

4200 User Manual Edgewater Networks, Inc.

Version 2.2 9

10/100 Ethernet

Switch

WAN IP

65.93.xxx.xxx

EdgeMarc 30

IP Phones

PC’s

Default Gateway

65.93.110.1

Public Address Pool

For Servers

67.52.xxx.xx1

67.52.xxx.xx2

Client Adaptor

Analog Phone

WAN Termination

(eg. xDSL Modem)

Softswitch

TFTP Server

Internet

Enterprise

Location

Service Provider

Chapter 3: Configuring the 4200

The 4200 is a flexible, easy to use converged network appliance that provides many

critical networking functions for IP based voice and data. It can be installed in

several different VoIP topologies:

 At the customer premise for IP Centrex applications

 At the station side of enterprise IP PBXs

 At the trunk side of enterprise IP PBXs

Most users will follow the steps provided in the “Configuring The Systems Settings”

section of this manual to initially connect the 4200 into their IP network. The

remainder of the configuration can be different based on the application, VoIP

topology and presence of other networking equipment such as firewalls or DHCP

servers. In general, however, the steps used to configure the 4200 are:

Step

Task

System configuration

VoIP configuration

Data networking configuration

Firewall configuration

Traffic management configuration

Some of the steps are optional depending on your particular application. We have

provided configuration guidelines below for each of the application types supported

by the 4200. Additional application notes can be found on our website at

www.edgewaternetworks.com.

Configuration Guide For IP Centrex Applications

A typical 4200installation for an IP Centrex

application uses an external router, xDSL or

cable modem to terminate the WAN link from

the service provider. The 4200is then

connected directly to the WAN termination

device and the LAN port of the 4200is

connected to the 7enterprise ethernet local

area network (typically a layer 2 switch). VoIP

signaling is performed in the service provider

network via a softswitch and the 4200 acts as

a proxy for the voice devices installed in the

enterprise LAN. In this configuration a single

public IP address is used to proxy for all of the

IP phones and to route to multiple PC’s

installed on the LAN. This particular example

also uses static NAT entries to route to the publicly addressable servers. The 4200

performs the following functions in this application:

 WAN/LAN IP routing.

 Traffic shaping and priority queuing to guarantee high quality voice traffic.

These mechanisms protect voice and data traffic from contending for the

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