Cisco Cisco 2106 Wireless LAN Controller
20
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.2.176.0
OL-31336-01
Important Notes
Note
SNMP v3 is time sensitive. Make sure that you have configured the correct time and time zone on your
controller.
controller.
Features Not Supported on 2000 and 2100 Series Controllers
These hardware features are not supported on 2000 and 2100 series controllers:
•
Power over Ethernet (PoE) for 2000 series controllers only
Note
Ports 7 and 8 on 2100 series controllers are PoE ports.
•
Service port (separate out-of-band management 10/100-Mbps Ethernet interface)
These software features are not supported on 2000 and 2100 series controllers:
•
VPN termination (such as IPSec and L2TP)
•
Termination of guest controller tunnels (origination of guest controller tunnels is supported)
•
External web authentication web server list
•
Layer 2 LWAPP
•
Spanning tree
•
Port mirroring
Note
Port mirroring is also not supported on 4400 series controllers.
•
Cranite
•
Fortress
•
AppleTalk
•
QoS per-user bandwidth contracts
•
IPv6 pass-through
•
Link aggregation (LAG)
•
Multicast-unicast mode
Some Clients 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 to 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 to enforce RF policies in your buildings and campuses.