Cisco Systems OL-29225-01 Creating Static WEP Keys

10-8
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-30644-01
Chapter10 Configuring WLAN Authentication and Encryption
Configuring Encryption Modes
Creating Static WEP Keys
Note You need to configure static WEP keys only if your access point needs to support client devices that use
static WEP. If all the client devices that associate to the access point use key management (WPA, CCKM,
or 802.1x authentication) you do not need to configure static WEP keys.
Beginning in privileged EXEC mode, follow these steps to create a WEP key and set the key properties:
Command Purpose
Step1 configure terminal Enter global configuration mode.
Step2 interface dot11radio { 0 | 1 } Enter interface configuration mode for the radio interface.
The 2.4-GHz radio and the 2.4-GHz 802.11n radio is 0.
The 5-GHz radio and the 5-GHz 802.11n radio is 1.
Step3 encryption
[vlan vlan-id]
key 1-4
size { 40 | 128 } encryption-key
[ 0 | 7 ]
[transmit-key]
Create a WEP key and set up its properties.
•(Optional) Select the VLAN for which you want to create
a key.
•Name the key slot in which this WEP key resides. You can
assign up to 4 WEP keys for each VLAN.
•Enter the key and set the size of the key, either 40-bit or
128-bit. 40-bit keys contain 10 hexadecimal digits; 128-bit
keys contain 26 hexadecimal digits.
•(Optional) Specify whether the key string you enter in this
command is an encrypted string or the plain text key. The
plain text key will be encrypted when you press the Enter
key.
•(Optional) Set this key as the transmit key. The key in slot
1 is the transmit key by default.
Note If you configure static WEP with MIC (key hash), the
access point and associated client devices must use the
same WEP key as the transmit key, and the key must be
in the same key slot on the access point and the clients.
Note Configuration of static WEP with CMIC is not
supported.
Note Using security features such as authenticated key
management can limit WEP key configurations. See the
“WEP Key Restrictions” section on page 10-9 for a list
of features that impact WEP keys.
Step4 end Return to privileged EXEC mode.
Step5 copy running-config startup-config (Optional) Save your entries in the configuration file.