Chapter 3 Configuring the Cisco 1604 Router

Step 6—Testing the Cisco 1604 Connection to the Cisco AS5300

Figure 3-2 Case Study Lab Environment for Testing the Cisco 1604’s Connection to the Cisco AS5300

 

10.1.254.1

 

 

PSTN

 

 

BRI

 

 

Cisco AS5300

 

 

(hq-sanjose)

Test PC

DNS server

 

 

10.1.4.2

10.2.2.3

 

 

 

BRI

Ethernet

 

 

Cisco 1604

10.1.254.4 (robo-austin)

RS-232 console

Administrator's PC

(configuration and logging)

15988

Step 1 Enter the following commands to start debugging. Use the following example as a guide. Examining the background processes is essential for effective troubleshooting:

robo-austin#

undebug all

All possible

debugging has been turned off

robo-austin#

terminal monitor

robo-austin#

debug dialer

Dial on demand events debugging is on

robo-austin#

debug isdn q931

ISDN Q931 packets debugging is on

robo-austin#

debug ppp negotiation

PPPprotocol negotiation debugging is on robo-austin# debug ppp authentication PPP authentication debugging is on robo-austin# debug ip peer

IP peer address activity debugging is on

Step 2 Verify that your routing table points to the Cisco AS5300 at headquarters—the hq-sanjose network access server (NAS):

robo-austin# show ip

route

 

 

 

 

 

 

 

 

 

Codes: C - connected,

S -

static, I

- IGRP,

R - RIP,

M - mobile,

B - BGP

D - EIGRP, EX

- EIGRP external,

O - OSPF,

IA -

OSPF inter

area

N1

-

OSPF

NSSA

external

type

1,

N2 -

OSPF

NSSA

external

type 2

E1

-

OSPF

external

type

1, E2 -

OSPF

external

type 2, E

-

EGP

i- IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR

Gateway of last resort is 10.1.254.1 to network 0.0.0.0

10.0.0.0/24 is subnetted, 2 subnets

C10.1.4.0 is directly connected, Ethernet0

C 10.1.254.0 is directly connected, BRI0

S*

0.0.0.0/0 [1/0] via 10.1.254.1

Cisco IOS Dial Services Quick Configuration Guide

3-16

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Cisco Systems 1604 manual Undebug all, Terminal monitor, Debug dialer, Debug isdn q931, Debug ppp negotiation

1604 specifications

Cisco Systems 1604 is a multifaceted router that exemplifies the evolution of networking technology. Introduced in the 1990s, it was designed primarily for interconnecting local area networks (LANs) and wide area networks (WANs). As one of the early routers in the Cisco family, the 1604 laid the groundwork for numerous advancements in the networking space.

One of the standout features of the Cisco 1604 is its modular design. This architecture allows users to customize the router according to their specific needs by adding various modules and interface cards. This adaptability made it popular among organizations that required flexible networking solutions. The router supports multiple types of interfaces including Ethernet, Token Ring, and serial connections, accommodating a variety of networking environments.

In terms of performance, the Cisco 1604 offers impressive capabilities for its time. It supports both routing and bridging functions, enabling it to seamlessly integrate different types of networks. The router can handle up to 4Mbps of bandwidth, sufficient for small to medium-sized network environments. Its built-in memory capacity allows for efficient processing, providing a reliable platform for data communications.

The Cisco 1604 is built on Cisco's proprietary IOS (Internetwork Operating System), which is a critical component of its operation. IOS provides a robust command-line interface for configuration and management, facilitating advanced networking tasks such as routing protocols, security features, and network diagnostics. The support for multiple routing protocols, including RIP, OSPF, and EIGRP, enhances its functionality and compatibility with diverse network architectures.

Security features in the Cisco 1604 are notable, providing essential tools to safeguard data transmitted across networks. It supports various access control lists (ACLs) that enable administrators to regulate network traffic and restrict unauthorized access.

Moreover, the Cisco 1604 was designed with reliability in mind. It includes features like automatic keep-alives for connection monitoring and error-correction protocols to ensure consistent performance.

In conclusion, the Cisco Systems 1604 router represents a significant milestone in networking technology. Its modular design, high performance, advanced IOS capabilities, and robust security measures make it a noteworthy solution for businesses looking to build effective networking infrastructures. While newer models have surpassed its capabilities, the legacy of the Cisco 1604 continues to influence modern networking practices and designs.