Chapter 8 Troubleshooting Cisco 1800 Series Routers (Modular)

System Messages

Table 8-1

LED Indicators on Cisco 1800 Series Routers (continued)

LED Indicator

State

Meaning

Possible Causes and Corrective Actions

CF

Off

The CompactFlash memory

 

Normal indication. No action is

 

(CompactFlash

 

card is not being accessed.

 

required. It is okay to remove the

 

Busy)

 

 

 

CompactFlash memory card if the

 

 

 

 

 

CF LED remains off.

 

 

 

 

 

 

 

 

Blinking

The CompactFlash memory

 

Normal indication. No action is

 

 

green

card is being accessed.

 

required.

 

 

 

 

 

 

 

 

 

 

 

 

 

Caution Do not remove the

 

 

 

 

 

 

 

CompactFlash memory

 

 

 

 

 

 

 

card while it is being

 

 

 

 

 

 

 

accessed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FDX

Off

Fast Ethernet port next to the

 

Indication is for information only.

 

 

 

LED is operating in

 

 

 

 

 

 

 

half-duplex mode.

 

 

 

 

 

 

 

 

 

 

 

 

Solid green

Fast Ethernet port next to the

 

Indication is for information only.

 

 

 

LED is operating in full-duplex

 

 

 

 

 

 

 

mode.

 

 

 

 

 

 

 

 

 

 

 

100

Off

Fast Ethernet port next to the

 

Indication is for information only.

 

 

 

LED is operating at 10 Mbps.

 

 

 

 

 

 

 

 

 

 

 

 

Solid green

Fast Ethernet port next to the

 

Indication is for information only.

 

 

 

LED is operating at 100 Mbps.

 

 

 

 

 

 

 

 

 

 

 

Link

Off

Fast Ethernet link is not

 

Ethernet is not active or is not

 

 

 

established at the Ethernet port

 

connected. Check Ethernet

 

 

 

next to the LED.

 

connections.

 

 

 

 

 

Router is not configured properly.

 

 

 

 

 

Check configuration, and make

 

 

 

 

 

corrections as necessary.

 

 

 

 

 

 

 

 

Solid green

FastEthernet link is established

 

Normal indication. No action is

 

 

 

at the Ethernet port next to the

 

required.

 

 

 

LED.

 

 

 

 

 

 

 

 

 

 

 

AIM

Off

No AIM is installed.

 

Indication is for information only.

 

 

 

 

 

 

 

(Advanced

Solid green

AIM is recognized by the

 

Normal indication. No action is

 

integration

 

router and is initialized.

 

required.

 

module)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System Messages

This section describes system error and recovery messages that may appear when a Cisco 1800 series router is operated. The Cisco IOS software displays system error and recovery messages on an external device console terminal screen. (For more information, see the “Connecting to the Console Port” section on page 6-4.)

Cisco 1800 Series Routers (Modular) Hardware Installation Guide

 

OL-5876-03

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Image 77
Cisco Systems CISCO1841-HSEC/K9-RF manual System Messages, Fdx

CISCO1841-HSEC/K9-RF specifications

The Cisco Systems CISCO1841-HSEC/K9-RF is a versatile and robust router designed to meet the demands of small to medium-sized businesses and branch offices. This model is part of the Cisco 1800 Series Integrated Services Routers, which are known for their performance, security features, and scalability, making them ideal for organizations seeking to enhance their network infrastructure.

One of the main features of the CISCO1841-HSEC/K9 is its modular architecture. This design allows businesses to customize and expand their networks according to changing needs by adding various modules and interfaces. The router supports multiple WAN interfaces, which include serial, Ethernet, and DSL, providing flexible connectivity options to accommodate various networking scenarios.

The CISCO1841-HSEC/K9 also boasts an integrated security architecture. This router is equipped with advanced security features, including firewall capabilities, VPN support, and intrusion prevention systems. These technologies ensure that data is protected while being transmitted across the network. The built-in security features help organizations safeguard sensitive information against potential threats and cyberattacks.

In terms of performance, the CISCO1841-HSEC/K9 is powered by a high-speed processor and dynamic routing capabilities, which allow it to efficiently handle high volumes of traffic without compromising performance. The router supports various routing protocols, including EIGRP, OSPF, and BGP, facilitating seamless data flow and efficient route management.

Another noteworthy characteristic of the CISCO1841-HSEC/K9 is its support for voice and video services. This capability enables businesses to deploy unified communications applications, such as VoIP and video conferencing, enhancing collaboration among team members and improving overall productivity.

Moreover, the router is designed for easy management and monitoring. Cisco’s IOS software provides a user-friendly interface, allowing network administrators to configure, operate, and troubleshoot the network with ease. The router also supports Cisco’s Smart Install feature for simplified deployment and management.

In summary, the Cisco Systems CISCO1841-HSEC/K9-RF is a powerful and adaptable router that combines security, flexibility, and performance. Its modular design, robust security features, support for various routing protocols, and capabilities for multimedia applications make it a compelling choice for businesses looking to enhance their network infrastructure while addressing current and future demands.