Примечания к выпуску для Cisco Cisco 2000 Series Wireless LAN Controller
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Release Notes for Cisco wireless LAN controller and Cisco Aironet Lightweight Access Point for Software Release 3.1.59.24
Important Notes
Software Features:
•
VPN Termination (such as IPSec and L2TP)
•
Guest controller wireless LAN function
•
External Web Authentication web server list
•
Layer 2 LWAPP
•
Spanning tree
•
Port mirroring
•
Cranite
•
Fortress
•
AppleTalk
•
802.1p tagging
•
QoS per user bandwidth contracts
•
IPv6 pass-through
Some Clients Can See Only 64 Access Point MAC Addresses (BSSIDs) at a Time
In a crowded RF environment, clients may not be able to detect the desired SSID because of internal
table limitations. Sometimes disabling and then enabling the client interface forces a rescan. Your RF
environment needs to be controlled. Cisco UWN rogue access point detection and containment can help
you enforce RF policies in your buildings and campuses.
table limitations. Sometimes disabling and then enabling the client interface forces a rescan. Your RF
environment needs to be controlled. Cisco UWN rogue access point detection and containment can help
you enforce RF policies in your buildings and campuses.
Cisco 4400 Series Wireless LAN Controller Limitations
Cisco 4400 Series Wireless LAN Controllers have the following limitations:
•
Data traffic that goes in Cisco 4400 Series Wireless LAN Controller port 1 or 2 and exits port 3 or
4 may experience a loss rate of less than 1%.
4 may experience a loss rate of less than 1%.
•
Heavy multicast traffic may cause the Cisco 4400 Series Wireless LAN Controller to lose
connection with Cisco Aironet lightweight access points.
connection with Cisco Aironet lightweight access points.
Cisco Aironet Lightweight Access Point Fails to Join wireless LAN controller
When the Console Port is Connected Through a Terminal Server
When the Console Port is Connected Through a Terminal Server
The Cisco Aironet lightweight access point boots up Cisco IOS image and reboots due to join failure or
timeout. This sequence repeats until the Cisco Aironet lightweight access point goes into boot prompt
and stays there. This condition occurs when the Cisco Aironet lightweight access point console is
connected to a terminal server port, when there is no Telnet session to the Cisco Aironet lightweight
access point console port, and when the wireless LAN controller is not responding to the Cisco Aironet
lightweight access point join response.
timeout. This sequence repeats until the Cisco Aironet lightweight access point goes into boot prompt
and stays there. This condition occurs when the Cisco Aironet lightweight access point console is
connected to a terminal server port, when there is no Telnet session to the Cisco Aironet lightweight
access point console port, and when the wireless LAN controller is not responding to the Cisco Aironet
lightweight access point join response.
Workaround: Disconnect the Cisco Aironet lightweight access point console port from the terminal
server. Reprogram the wireless LAN controller to have it respond to the Cisco Aironet lightweight access
point join request. Restart the Cisco Aironet lightweight access point.
server. Reprogram the wireless LAN controller to have it respond to the Cisco Aironet lightweight access
point join request. Restart the Cisco Aironet lightweight access point.