Cisco Systems 1105 manual None-Does not enable MIC, NMH-Enables MIC Message Integrity

Chapter 3 Configuring Devices

		Using the Templates
Table 3-19 11b Radio Advance Settings (continued)
Field	Description
Ethernet encapsulation	From the list, select one of the following:
transform	•	802.1H—Provides optimum
		performance for Cisco Aironet wireless
		products.
	•	RFC1042—Ensures interoperability
		with non-Cisco Aironet wireless
		equipment.
Enhanced MIC verification for	From the list, select one of the following:
WEP	• None—Does not enable MIC.
	• NMH—Enables MIC (Message Integrity
		Check), a security feature that protects
		your WEP keys by preventing attacks on
		encrypted packets called bit-flip attacks.
	Click see details to see for which versions
	this setting is valid.
Temporal Key Integrity Protocol	From the list, select the following:
	• None—Does not enable WEP key
		hashing.
	• Cisco—Enables WEP key hashing that
		defends against an attack on WEP in
		which the intruder uses the unencrypted
		initialization vector (IV) in encrypted
		packets to calculate the WEP key.
	Click see details to see which versions this
	setting is valid for.

	User Guide for the CiscoWorks 1105 Wireless LAN Solution Engine
78-14947-01		3-69