Chapter 3 Troubleshooting

Problem-Solving

Table 3-2 Troubleshooting WICs and VICs

Symptom

Possible Solutions

 

 

Router does not recognize the

Confirm that the Cisco IOS release installed in the router

card.

supports the WIC or VIC.

 

Make sure that you have a Cisco IOS feature set that supports

 

voice. The Cisco WAN Interface Cards Hardware Installation

 

Guide lists the software requirements for each card.

 

Make sure that the card is correctly installed in the router. See

 

the “Installing WICs and VICs” section in Chapter 2,

 

Installation.”

 

 

Router recognizes the cards, but

Make sure that the card is correctly installed in the router. Refer

the card ports do not initialize.

to the “Installing WICs and VICs” section in the “Installation”

 

chapter.

 

Check the external cable connections to make sure they are

 

secure.

 

 

Router does not boot properly, or

Make sure that the WIC or VIC is correctly installed in the router.

router reboots continuously or

See the “Installing WICs and VICs” section in Chapter 2,

intermittently.

Installation.”

 

 

Router boots, but the console

Make sure that the console cable is securely connected to the

screen is frozen.

router and to the PC or terminal.

 

Verify that the parameters for your terminal are set to the

 

following:

 

9600 baud

 

8 data bits

 

no parity

 

1 stop bit

 

no flow control

 

 

Router does not boot or reset

There might be an electrical short. Turn off the router immediately.

after the WIC or VIC is inserted.

 

 

 

 

 

 

 

Cisco 1760 Modular Access Router Hardware Installation Guide

 

 

 

 

 

 

78-13342-03

 

 

3-11

 

 

 

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Cisco Systems 1760 manual Symptom Possible Solutions, Voice. The Cisco WAN Interface Cards Hardware Installation

1760 specifications

The Cisco Systems 1760 series routers are part of Cisco’s popular line of integrated services routers, designed primarily for small to medium-sized businesses and branch offices. The 1760 series was introduced to provide robust connectivity and routing solutions that facilitate secure and reliable networking. Aimed at offering flexibility, these routers integrate multiple functionalities to enhance operational performance.

One of the main features of the Cisco 1760 router is its modularity. It supports various interface and service modules that allow for customization based on specific networking needs. This modular design enables businesses to expand their networking capabilities over time without necessitating a complete hardware overhaul. The router typically comes equipped with two WAN slots and numerous interface options, including Fast Ethernet and serial interfaces.

The 1760 series routers also support advanced security features, providing businesses with a secure environment for their data transmissions. Built-in firewall capabilities, along with support for Virtual Private Network (VPN) protocols, ensure that sensitive information remains protected. Furthermore, the integration of IPsec and MPLS security features assists organizations in maintaining secure and scalable connections across diverse networks.

Another characteristic of the Cisco 1760 is its support for various technologies, including Quality of Service (QoS). QoS functionality allows network administrators to prioritize traffic, ensuring that critical applications receive the bandwidth they require while minimizing latency. This ability is particularly valuable in environments where voice, video, and essential data applications compete for resources.

The router’s ease of management is also noteworthy. With Cisco’s IOS (Internetwork Operating System), the 1760 provides a user-friendly interface allowing for straightforward configuration and monitoring. The simplicity in managing the network devices helps reduce the burden on IT personnel and enhances overall operational efficiency.

Further enhancing the router’s capabilities is its support for voice over IP (VoIP) applications, making it an ideal choice for organizations looking to implement modern telephony solutions. The ability to support multiple voice channels while maintaining adequate data throughput positions the 1760 as an attractive option for businesses transitioning to unified communications.

In summary, the Cisco Systems 1760 series routers exhibit a harmonious blend of modularity, robust security, traffic management, and VoIP support. They effectively meet the demands of modern networking environments, making them a reliable choice for organizations aiming to streamline operations while ensuring secure connectivity. With their adaptable design, these routers can serve as a powerful backbone for enterprise networking needs.