You can use Mac Filtering Template from WCS:
Step 1 Choose Configure > Controller Template Launch Pad.
Step 2 Click MAC Filtering or choose Security > MAC Filtering from the left sidebar menu. The Security > MAC Filtering page appears.
Step 3 If you want to add a new template, click Add Template from the Select a command drop-down list, and click Go. To modify an existing template, click the template name. The MAC Filtering template page appears:
More info: http://www.cisco.com/c/en/us/td/docs/wireless/wcs/7-0/configuration/guide/WCS70cg/7_0temp.html#wp1095263
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