Cisco Systems OL-8376-01 manual IDS Intrusion Detection System Faults, 2-14, Fault Description

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IDS (Intrusion Detection System) Faults

Chapter 2 Fault Descriptions

IDS (Intrusion Detection System) Faults

Table 2-2

Radio Interface Faults (continued)

 

 

 

 

 

 

Fault Description

Explanation

Related Setting

Recommended Action

 

 

 

 

 

WEP Error is in

 

The fault threshold set for the

Manage Fault

Verify that the fault threshold is set

Degraded state (error

degraded state has been exceeded.

Settings >

correctly.

rate %)

 

When this fault has been cleared,

Radio-802.11x

If the threshold is set correctly,

 

 

Thresholds > RF Port

 

 

the following message displays:

review your network to determine the

 

 

WEP Error is in OK state

WEP Errors

action necessary to clear the fault

 

 

 

 

 

 

 

condition.

WEP Error is in

 

The fault threshold set for the

 

 

 

 

Overloaded state (error

overloaded state has been

 

 

rate %)

 

exceeded.

 

 

 

 

When this fault has been cleared,

 

 

 

 

the following message displays:

 

 

 

 

WEP Error is in OK state

 

 

 

 

 

 

WEP key length policy

The WEP key length setting has

Manage Fault

Check the WEP key settings on the

violation

 

been violated.

Settings >

interface to make sure they match the

 

 

When this fault has been cleared,

Radio-802.11x

WLSE settings.

 

 

Policies > WEP Key

 

 

 

the following message displays:

 

 

 

Length

 

 

 

WEP key length is OK.

 

 

 

 

 

 

 

 

 

 

IDS (Intrusion Detection System) Faults

Table 2-3

IDS Faults

 

 

 

 

 

 

 

Fault Description

Explanation

Related Setting

Recommended Action

 

 

 

 

802.11-B/G Interference

The WLSE detected a non-802.11

IDS > Manage

Look at the fault description to

Detected

 

interference.

Network-Wide IDS

determine which AP reported the

- or -

 

 

Settings >

interference, then take corrective

 

 

Interference

action by removing the interference

802.11-A Interference

 

 

Detection

source.

Detected

 

 

 

 

 

 

 

 

Ad-hoc network creation

An ad-hoc network was formed

IDS > Manage

If the information is available, the

detected: ssid

 

by some wireless clients (where

Network-Wide IDS

WLSE will show the clients that are

 

 

ssid is the Service Set Identifier

Settings > Ad-hoc

participating in the network (and that

 

 

of the UnmanagedRadio’s BSS).

Network Detection

it can detect) in the fault details page.

 

 

One of your infrastructure APs or

 

Use the Location Manager to find

 

 

other clients sent this information

 

these APs and verify that this is not a

 

 

to the WLSE via your WDS

 

security issue.

 

 

setup.

 

 

 

 

 

 

 

FAQ and Troubleshooting Guide for the CiscoWorks Wireless LAN Solution Engine

2-14

OL-8376-01

 

 

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Cisco Systems OL-8376-01 IDS Intrusion Detection System Faults, 2-14, Fault Description, Explanation, Related Setting