Cisco WIRELESS LAN CONTROLLER OL-17037-01 User Manual download pdf (Page 50)

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Cisco Wireless LAN Controller Configuration Guide

OL-17037-01

Chapter 7 Controlling Lightweight Access Points

Configuring Country Codes

• To see the failover priority for each access point, enter this command:

show ap summary

Information similar to the following appears:

Number of APs.................................... 2

Global AP User Name.............................. user

Global AP Dot1x User Name........................ Not Configured

AP Name Slots AP Model Ethernet MAC Location Port Country Priority

------- ----- ------------------ ----------------- --------- ---- ------- -------

ap:1252 2 AIR-LAP1252AG-A-K9 00:1b:d5:13:39:74 hallway 6 1 US 1

ap:1121 1 AIR-LAP1121G-A-K9 00:1b:d5:a9:ad:08 reception 1 US 3

Configuring Country Codes

Controllers and access points are designed for use in many countries with varying regulatory

requirements. The radios within the access points are assigned to a specific regulatory domain at the

factory (such as -E for Europe), but the country code enables you to specify a particular country of

operation (such as FR for France or ES for Spain). Configuring a country code ensures that each radio’s

broadcast frequency bands, interfaces, channels, and transmit power levels are compliant with

country-specific regulations.

Generally, you configure one country code per controller, the one matching the physical location of the

controller and its access points. However, controller software release 4.1 or later allows you to configure

up to 20 country codes per controller. This multiple-country support enables you to manage access points

in various countries from a single controller.

Note Although the controller supports different access points in different regulatory domains (countries), it

requires all radios in a single access point to be configured for the same regulatory domain. For example,

you should not configure a Cisco 1231 access point’s 802.11b/g radio for the US (-A) regulatory domain

and its 802.11a radio for the Great Britain (-E) regulatory domain. Otherwise, the controller allows only

one of the access point’s radios to turn on, depending on which regulatory domain you selected for the

access point on the controller. Therefore, make sure that the same country code is configured for both of

the access point’s radios.

For a complete list of country codes supported per product, see

http://www.cisco.com/en/US/prod/collateral/wireless/ps5679/ps5861/product_data_sheet0900aecd805

37b6a_ps6087_Products_Data_Sheet.html.

Guidelines for Configuring Multiple Country Codes

Follow these guidelines when configuring multiple country codes:

• When the multiple-country feature is being used, all controllers intended to join the same RF group

must be configured with the same set of countries, configured in the same order.

• When multiple countries are configured and the radio resource management (RRM) auto-RF feature

is enabled, the auto-RF feature is limited to only the channels that are legal in all configured

countries and to the lowest power level common to all configured countries. The access points are

always able to use all legal frequencies, but non-common channels can only be assigned manually.

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Cisco WIRELESS LAN CONTROLLER OL-17037-01 User Manual Page 50

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