Dell PowerConnect W Clearpass 100 Software 3.9 Deployment Guide - Page 289

 UI: Hidden field  Field Required: optional  Validator: IsValidMacAddress  Add or enable mac_auth_pair  UI: Hidden field  Initial Value: -1  Any other expiration options, role choice, surveys and so on can be entered as usual. You will see an entry under both List Accounts and List Devices. Each should have a View Pair action that cross links the two. Note if you delete the base account, all of its pairings will also be deleted. If RFC3576 has been configured, all pairs will be logged out. Accounting-Based MAC Authentication Accounting-based MAC authentication is a way to cache the MAC used during an initial authentication so that the device does not need to authenticate again. The visitor authenticates with their regular credentials, using a regular Web login or some form of transparent login, and the application server registers the MAC for future use. The device may be configured to do this automatically, or you may enter the following PHP code. Edit the role of your guests and add the following:  Attribute: Tmp-String-0  Value: blank  Condition: Enter condition expression... Expression: return empty($user['mac_auth']) && NwaDynamicLoad('NwaCreateUser') && NwaDynamicLoad('NwaNormalizeMacAddress') && ($mac=NwaNormalizeMacAddress(GetAttr('Calling-Station-Id'))) && ((!empty($user['id']) && NwaCreateUser(array( 'creator_accept_terms'=>1, 'mac'=>$mac, 'mac_auth'=>1, 'mac_auth_pair'=>$user['id'], 'create_time' => time(), 'auto_update_account'=>1))) || (empty($user['id']) && NwaCreateUser(array( 'creator_accept_terms'=>1, 'role_id'=>$user['role_id'], 'mac'=>$mac, 'mac_auth'=>1, 'sponsor_name'=>$user['username'], 'modify_expire_time'=>'today 17:00', 'do_expire'=>4, 'create_time' => time(), 'auto_update_account'=>1))) ) && 0; Annotated Expression: the following code is an annotated explanation of how the above code works. return empty($user['mac_auth']) // Not already a MAC device... && NwaDynamicLoad('NwaCreateUser') // Required call ClearPass Guest 3.9 | Deployment Guide Guest Management | 289