Cisco Cisco Aironet 1240 AG Access Point
17
Release Notes for Cisco Aironet Access Points and Bridges for Cisco IOS Release 12.4(10b)JA1
OL-15533-01
Caveats
•
CSCsk05871—Sometimes packets are not marked as voice to 7921 phones.
Condition: A 7921 phone talking to a non-WMM client (a 7920 phone, for example), a wired client,
or another 7921 client with WMM disabled.
or another 7921 client with WMM disabled.
Workaround: None.
•
CSCsk13961—The following MIB objects display incorrect values for 802.11n radios in 1250 series
access points:
access points:
–
cd11IfAssignedSta
–
cd11IfPhyMacSpecification
–
cd11IfPhyDsssMaxCompatibleRate
–
cd11IfErpOfdmTxPowerLevel5
–
cd11IfClientCurrentTxPowerLeve1
Workaround: None.
•
CSCsk23262—A change in WDS units sometimes triggers shutdown of the radios in an access point
in hot standby mode.
in hot standby mode.
The backup Hot Standby unit takes over as the primary Hot Standby unit when the WDS changes
from primary to backup.
from primary to backup.
Workaround: Adjust cell coverage so that Hot Standby unit can hear only its parent access point.
When the WDS change happens, all the clients attached to access point receive a deauthentication
message, and they are forced to reassociate. When the backup Hot Standby unit receives the
deauthentication message, it can join any access point with matching credentials.
When the WDS change happens, all the clients attached to access point receive a deauthentication
message, and they are forced to reassociate. When the backup Hot Standby unit receives the
deauthentication message, it can join any access point with matching credentials.
•
CSCsk58820—Station roles have different possible RTS threshold values (some 4000 some 2347).
Workaround: None.
•
CSCsk63453—Tracebacks occur on 1200 series access points when the Taiwan carrier set is
enabled.
enabled.
Workaround: None.
•
CSCsk78264—A change in the RF domain name takes effect only after a reboot.
Workaround: Reboot the controller after changing the RF domain name.
•
CSCsl42896—Roaming between access point to a non root bridge prevent network traffic if client
is silent
is silent
Wireless client (802.11b/g) can roam from an access point to a non root bridge. However if the client
does not send traffic towards the network behind the root bridge, the connection from the network
to the wireless client is broken.
does not send traffic towards the network behind the root bridge, the connection from the network
to the wireless client is broken.
Workaround: None.
•
CSCsl66452—%DOT11-4-CCMP_REPLAY: AES-CCMP TSC replay was detected on a packet
TSC.
TSC.
Cosmetic error messages %DOT11-4-CCMP_REPLAY: AES-CCMP TSC replay was detected on a
packet (TSC 0xC6) received from 001. Messages were observed when an 1121 802.11G is
configured as a workgroup bridge sending traffic to a 1231 access point running Cisco IOS release
12.3(8).JEA1 and 12.3(11)JA.
packet (TSC 0xC6) received from 001. Messages were observed when an 1121 802.11G is
configured as a workgroup bridge sending traffic to a 1231 access point running Cisco IOS release
12.3(8).JEA1 and 12.3(11)JA.
Workaround: Ignore these messages.