Cisco CB21AG Installation And Configuration Manual
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Brand: Cisco
Category: Adapter , Network Router
Type: Installation and configuration manual
Model: Cisco AIRONET CB21AG , Cisco AIRONET PI21AG
Pages: 226 (4.69 Mb)
Download Cisco AIRONET CB21AG Installation and configuration manual
7-8
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
OL-4211-02
Chapter 7 Viewing Status and Statistics
Viewing the Current Status of Your Client Adapter
Authentication Type Specifies whether the client adapter must share the same WEP keys as
the access point in order to authenticate or can authenticate to the
access point regardless of its WEP settings.
Value: Open or Shared
Note An incorrect WEP key setting prevents connectivity to the
network regardless of the 802.11 authentication type selected.
Note Refer to the “Setting Advanced Parameters” section on
page 5-5 for information on setting the 802.11 authentication
mode.
Message Integrity Check Indicates whether your client adapter is using message integrity check
(MIC) to protect packets sent to and received from the access point.
MIC prevents bit-flip attacks on encrypted packets. During a bit-flip
attack, an intruder intercepts an encrypted message, alters it slightly,
and retransmits it, and the receiver accepts the retransmitted message
as legitimate.
Note MIC is supported automatically by the client adapter’s driver,
but it must be enabled on the access point.
Value: None, MMH, or Michael
Message Integrity Check Description
None MIC is disabled.
MMH MIC is enabled and is being used with
CKIP.
Michael MIC is enabled and is being used with
WPA and TKIP.
Associated AP Name The name of the access point to which your client adapter is associated.
It is shown only if the client adapter is in infrastructure mode, the
access point was configured with a name, and Aironet Extensions are
enabled (on access points running Cisco IOS Release 12.2(4)JA or
later).
Note This field shows up to 15 characters although the name of the
access point may be longer.
Associated AP IP Address The IP address of the access point to which your client adapter is
associated. It is shown only if the client adapter is in infrastructure
mode, the access point was configured with an IP address, and Aironet
Extensions are enabled (on access points running Cisco IOS Release
12.2(4)JA or later).
Note If Aironet Extensions are disabled, the IP address of the
associated access point is shown as 0.0.0.0.
Table 7-4 Advanced Client Adapter Status (continued)
Status Description