Cisco Systems Dial NMS Instructions d'exploitation télécharger pdf (Page 33)

Network Design for a Dial NMS Case Study

Configuration Design Parameters

Basic Dial NMS Implementation Guide

Configuration Design Parameters

Before THEnet can implement and operate the dial NMS, several design parameters must be defined by

the network engineers and operators.

Each dial POP requires enough IP address space for the POP to grow to its maximum size. For THEnet,

each POP must support up to 50,000 lines. Therefore, an entire class B network is initially assigned to

each POP.

Figure 7 IP Subnetting Diagram for the THEnet

To simplify IP address management, each POP uses a similar IP subnetting plan.

CiscoSecure Unix, version 2.3(3)



Authenticates, authorizes, and accounts for dial access

clients in each POP by using RADIUS.



Authenticates, authorizes, and accounts for router

administrators in the NOC by using TACACS+.



Uses AAA accounting records to collect performance

data, fault data, and track router configuration changes.

War Dialer Runs performance tests by using a dial simulator and

client PCs.

Table 6 Dial NMS Software and Management System Requirements (continued)

Software and Management Systems Purpose

35229

POP #1

172.21.0.0/16

POP #2

172.22.0.0/16

Device ID

IP pool

Device ID

IP pool

PSTN

Modems

Clients

Internet

Firewall

NOC

Firewall

Access

Intranet

WAN

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 131 132

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Cisco Systems Dial NMS Instructions d'exploitation Page 33

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