pfSense

		if (empty($_POST['mediaopt'])) {

			unset($wancfg['media']);

			unset($wancfg['mediaopt']);

		} else {

			$mediaopts = explode(' ', $_POST['mediaopt']);	

			if ($mediaopts[0] != ''){ $wancfg['media'] = $mediaopts[0]; }

			if ($mediaopts[1] != ''){ $wancfg['mediaopt'] = $mediaopts[1]; }

			else { unset($wancfg['mediaopt']); }

		}

// Find all possible media options for the interface

$mediaopts_list = array();

$intrealname = $config['interfaces'][$if]['if'];

exec("/sbin/ifconfig -m $intrealname | grep \"media \"", $mediaopts);

foreach ($mediaopts as $mediaopt){

	preg_match("/media (.*)/", $mediaopt, $matches);

 	if (preg_match("/(.*) mediaopt (.*)/", $matches[1], $matches1)){

		// there is media + mediaopt like "media 1000baseT mediaopt full-duplex"

 		array_push($mediaopts_list, $matches1[1] . " " . $matches1[2]);

	}else{

		// there is only media like "media 1000baseT"

		array_push($mediaopts_list, $matches[1]);

	}

}

						<?php 

						if (count($mediaopts_list) > 0){

						$mediaopt_from_config = $config['interfaces'][$if]['media'] . ' ' . $config['interfaces'][$if]['mediaopt'];

						echo "<tr>";

							echo '<td valign="top" class="vncell">' . gettext("Speed and duplex") . '</td>';

							echo '<td class="vtable">';

								echo '<select name="mediaopt" class="formselect" id="mediaopt">';

								foreach($mediaopts_list as $mediaopt){

									if ($mediaopt != rtrim($mediaopt_from_config)){

										print "<option value=\"$mediaopt\">" . gettext("$mediaopt") . "</option>";

									} else {

										print "<option value=\"$mediaopt\" selected>" . gettext("$mediaopt") . "</option>";

									}

								}

								echo '</select><br>';

								echo gettext("Here you can explicitely set up speed and duplex mode for the interface.");

							echo '</td>';

						echo '</tr>';

						}

						?>