5-6
Cisco Wireless ISR and HWIC Access Point Configuration Guide
OL-6415-04
Chapter 5 Configuring Encryption Types
Configure Encryption Types
Use the
no
form of the encryption command to disable a cipher suite.
This example sets up a cipher suite for VLAN 22 that enables AES-CCM, and 128-bit WEP.
router#
configure terminal
router(config)#
interface dot11radio 0
router(config-if)#
encryption vlan 22 mode ciphers aes-ccm wep128
router(config-if)#
exit
Cipher Suites Compatible with WPA
If you configure your access point to use WPA authenticated key management, you must select a cipher
suite compatible with the authenticated key management type.
Table 5-3
lists the cipher suites that are
compatible with WPA.
Step 3
encryption
[
vlan
vlan-id
]
mode ciphers
{[
aes-ccm | tkip
]} {[
wep128
|
wep40
]}
Enable a cipher suite containing the encryption you need.
Table 5-3
lists guidelines for selecting a cipher suite that
matches the type of authenticated key management you
configure.
•
(Optional) Select the VLAN for which you want to enable
WEP and WEP features.
•
Set the cipher options and WEP level. You can combine
TKIP with 128-bit or 40-bit WEP.
Note
You can also use the
encryption mode wep
command
to set up static WEP. However, you should use
encryption mode wep
only if no clients that associate
to the access point are capable of key management. See
the
Cisco IOS Command Reference for Cisco Access
Points and Bridges
for a detailed description of the
encryption mode wep
command.
Note
When you configure the cipher TKIP and AES-CCM
(not
TKIP + WEP 128
or
TKIP + WEP 40
) for an
SSID, the SSID must use WPA key management. Client
authentication fails on an SSID that uses the cipher
TKIP without enabling WPA key management.
Step 4
end
Return to privileged EXEC mode.
Step 5
copy running-config startup-config
(Optional) Save your entries in the configuration file.
Command
Purpose
Содержание HWIC
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