Chapter 6 Troubleshooting Lightweight Access Points

Checking the Lightweight Access Point LEDs

Table 6-1

Top Panel LED Signals

 

 

 

 

 

 

 

Message

Ethernet

Status

Radio

 

type

LED

LED

LED

Meaning

 

 

 

 

 

Boot loader

Green

Green

DRAM memory test.

status

 

 

 

 

Amber

Red

Board initialization test

 

 

 

 

 

 

 

Blinking green

Blinking green

Flash memory test.

 

 

 

 

 

 

Amber

Green

Ethernet initialization test.

 

 

 

 

 

 

Green

Green

Green

Starting Cisco IOS.

 

 

 

 

 

Association

Green

At least one wireless client device is associated with

status

 

 

 

the unit.

 

 

 

 

 

 

Blinking green

No client devices are associated; check the unit’s

 

 

 

 

SSID and WEP settings.

 

 

 

 

 

Operating

Green

Blinking green

Transmitting/receiving radio packets.

status

 

 

 

 

Green

Ethernet link is operational.

 

 

 

 

 

 

 

Blinking green

Transmitting/receiving Ethernet packets.

 

 

 

 

 

Boot Loader

Red

Red

DRAM memory test failure.

Errors

 

 

 

 

Red

Red

File system failure.

 

 

 

 

 

 

 

Red

Red

Ethernet failure during image recovery.

 

 

 

 

 

 

Amber

Green

Amber

Boot environment error.

 

 

 

 

 

 

Red

Green

Red

No Cisco IOS image file.

 

 

 

 

 

 

Amber

Amber

Amber

Boot failure.

 

 

 

 

 

Operation

Green

Blinking amber

Maximum retries or buffer full occurred on the radio.

Errors

 

 

 

 

Blinking

-

Transmit/receive Ethernet errors.

 

 

amber

 

 

 

 

 

 

 

 

 

Blinking amber

General warning.

 

 

 

 

 

Configuration

Amber

Resetting the configuration options to factory

Reset

 

 

 

defaults.

 

 

 

 

 

Failure

Red

Red

Red

Firmware failure; try disconnecting and reconnecting

 

 

 

 

unit power.

 

 

 

 

 

Firmware

Red

Loading new firmware image.

Upgrade

 

 

 

 

 

 

 

 

 

Controller

Alternating green, red , and amber1

Connecting to the controller.

status

 

 

 

Note If the access point remains in this mode for

 

 

 

 

 

 

 

 

more than five minutes, the access point is

 

 

 

 

unable to find the controller. Ensure a DHCP

 

 

 

 

server is available or that the access point has

 

 

 

 

been primed with the controller information.

 

 

 

 

 

1. This status indication has the highest priority and overrides other status indications.

Cisco Aironet 1100 Series Access Point Hardware Installation Guide

6-4

OL-4309-07

 

 

Page 74
Image 74
Cisco Systems CSACS1121K9 manual Message Ethernet Status Radio Type

CSACS1121K9 specifications

Cisco Systems CSACS1121K9 is a part of Cisco's comprehensive suite of security solutions tailored for identity and access management. This device, recognized for its reliability and functionality, plays a crucial role in ensuring that organizations can efficiently manage user access across their networks.

One of the main features of the CSACS1121K9 is its centralized user authentication capabilities. This device simplifies the process of validating user identities, allowing administrators to manage credentials for a variety of access methods, including web-based authentication, RADIUS, and TACACS+. This flexibility plays a significant role in diverse environments where different protocols may be required for various devices or applications.

The CSACS1121K9 is built on the robust Cisco Secure Access Control Server (ACS) platform. This platform supports a wide range of security policies, making it versatile enough for different organizational needs. With its capability to integrate seamlessly with other Cisco solutions and third-party platforms, the device enhances the overall security posture of an organization.

In terms of scalability, the CSACS1121K9 can support a substantial number of users and devices. This scalability ensures that as organizations grow, their access management system can scale proportionately without performance degradation. The ability to handle thousands of simultaneous authentication requests makes it suitable for both small companies and large enterprises.

Another significant characteristic of the CSACS1121K9 is its support for advanced visibility and reporting. Administrators can track authentication attempts, policy enforcement, and other critical events in real time. This level of monitoring is essential for compliance audits and helps organizations quickly react to potential security threats.

Moreover, the CSACS1121K9 includes capabilities for implementing role-based access control (RBAC). This feature allows organizations to define specific access rights based on user roles, which enhances security while facilitating efficient operations.

In conclusion, the Cisco Systems CSACS1121K9 is a powerful tool for organizations seeking to enhance their identity and access management frameworks. With its centralized user authentication, scalability, advanced reporting capabilities, and support for RBAC, it provides a robust solution that can adapt to the evolving security demands of modern networks. Whether deployed in a small business environment or within large enterprises, the CSACS1121K9 stands out for its comprehensive feature set and ability to integrate into existing security infrastructures.