Information About 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.
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Generally, you configure one country code per controller, the one matching the physical location of the controller and its access points. However, you can configure more than one country code per Cisco WLC. Prior to Release 8.2, you could configure up to 20 country codes per Cisco WLC; from Release 8.2 onwards, you can configure up to 110 country codes per Cisco WLC. This multiple-country support enables you to manage access points in various countries from a single Cisco WLC.
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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://tools.cisco.com/cse/prdapp/jsp/externalsearch.do?action=externalsearch&page=EXTERNAL_SEARCH
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When the multiple-country feature is being used, all controllers that are going to join the same RF group must be configured with the same set of countries, configured in the same order.
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When multiple countries are configured and the RRM auto-RF feature is enabled, the RRM assigns the channels that are derived by performing a union of the allowed channels per the AP country code. The APs are assigned channels by the RRM based on their PID country code. APs are only allowed to use legal frequencies that match their PID country code. Ensure that your AP's country code is legal in the country that it is deployed.
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The country list configured on the RF group leader determines what channels the members would operate on. This list is independent of what countries have been configured on the RF group members.
Information About Japanese Country Codes
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JP—Allows only -J radios to join the controller
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J2—Allows only -P radios to join the controller
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J3—Uses the -U frequencies, but allows -U, -P, and -Q (other than 1550/1600/2600/3600) radios to join the WLC
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J4—Allows 2.4G JPQU and 5G PQU to join the controller.
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The 1550, 1600, 2600, and 3600 APs require J4.
See the Channels and Maximum Power Settings for Cisco Aironet Lightweight Access Points document for the list of channels and power levels supported by access points in the Japanese regulatory domains.