Cisco Systems OL-8376-01 manual IDS Intrusion Detection System Faults, Rate %

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

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