User's Manual

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3/11/05 Cisco Wireless LAN Controller Automatic Time Setting
OL-7426-02
are momentarily dropped while the dropped Cisco 1000 Series lightweight access point associates with
an unused port on another Cisco Wireless LAN Controller, allowing the client device to immediately
reassociate and reauthenticate.
Cisco Wireless LAN Controller Automatic Time SettingCisco Wireless LAN Controller Automatic Time Setting
Each Cisco Wireless LAN Controller can have its time manually set or can be configured to obtain the
current time from one or more Network Time Protocol (NTP) servers. Each NTP server IP address is
added to the Cisco Wireless LAN Controller database. Each Cisco Wireless LAN Controller searches for
an NTP server and obtains the current time upon reboot and at each user-defined polling interval (daily
to weekly).
Cisco Wireless LAN Controller Time ZonesCisco Wireless LAN Controller Time Zones
Each Cisco Wireless LAN Controller can have its time manually set or can be configured to obtain the
current time from one or more Network Time Protocol (NTP) servers. Each NTP server IP address is
added to the Cisco Wireless LAN Controller database. Each Cisco Wireless LAN Controller can search for
an NTP server and obtain the current time upon reboot and at each user-defined (daily to weekly)
polling interval.
This option can be configured in the Cisco WCS Configure <IPaddr> > Set Time
page.
Network Connection to Cisco Wireless LAN ControllersNetwork Connection to Cisco Wireless LAN Controllers
The Cisco Wireless LAN Controllers use the network as an 802.11 Distribution System.
Regardless of the Ethernet port type or speed, each Cisco Wireless LAN Controller monitors and
communicates with its related Cisco Wireless LAN Controllers across the network.
Cisco 2000 Series Wireless LAN ControllersCisco 2000 Series Wireless LAN Controllers
Cisco 2000 Series Wireless LAN Controllers can communicate with the network through any one of its
physical ports, as the logical Management Interface can be assigned to the one of the physical ports.
The physical port description follows:
Up to four 10/100BASE-T cables can plug into the four back-panel connectors on the Cisco
2000 Series Wireless LAN Controller chassis.