diff --git a/vlanmang.py b/vlanmang.py
index 52b286b..94c796b 100644
--- a/vlanmang.py
+++ b/vlanmang.py
@@ -156,7 +156,7 @@ def checkchanges(module):
 			if not _cmpbits(switchuntagged[i], untagged[i]):
 				res.append(('setuntagged', i, untagged[i], switchuntagged[i]))
 
-	return res
+	return res, switch
 
 def getidxs(lst, lookupfun):
 	return [ lookupfun(i) if isinstance(i, str) else i for i in lst ]
@@ -314,6 +314,9 @@ class SNMPSwitch(object):
 
 		return { x[0][-1]: int(x[1]) for x in self._walk('Q-BRIDGE-MIB', 'dot1qPvid') }
 
+	def setpvid(self, port, vlan):
+		self._set(('Q-BRIDGE-MIB', 'dot1qPvid', int(port)), Gauge32(vlan))
+
 	def getegress(self, *vlans):
 		r = { x[-1]: _octstrtobits(y) for x, y in
 		    self._getmany(*(('Q-BRIDGE-MIB',
@@ -321,6 +324,11 @@ class SNMPSwitch(object):
 
 		return r
 
+	def setegress(self, vlan, ports):
+		value = OctetString.fromBinaryString(ports)
+		self._set(('Q-BRIDGE-MIB', 'dot1qVlanStaticEgressPorts',
+		    int(vlan)), value)
+
 	def getuntagged(self, *vlans):
 		r = { x[-1]: _octstrtobits(y) for x, y in
 		    self._getmany(*(('Q-BRIDGE-MIB',
@@ -328,8 +336,37 @@ class SNMPSwitch(object):
 
 		return r
 
+	def setuntagged(self, vlan, ports):
+		value = OctetString.fromBinaryString(ports)
+		self._set(('Q-BRIDGE-MIB', 'dot1qVlanStaticUntaggedPorts',
+		    int(vlan)), value)
+
 if __name__ == '__main__': # pragma: no cover
-	print `checkchanges('data')`
+	import pprint
+	import sys
+
+	changes, switch = checkchanges('data')
+	pprint.pprint(changes)
+
+	res = raw_input('Apply the changes?  (type yes to apply): ')
+	if res != 'yes':
+		print 'not applying changes.'
+		sys.exit(1)
+
+	print 'applying...'
+	failed = []
+	for verb, vlan, arg, oldarg in changes:
+		print '%s: %s %s' % (verb, vlan, `arg`)
+		try:
+			pass
+		except Exception as e:
+			print 'failed'
+			failed.append((verb, vlan, arg, e))
+
+	if failed:
+		print '%d failed to apply, they are:' % len(failed)
+		for verb, vlan, arg, e in failed:
+			print '%s: %s %s: %s' % verb, vlan, arg, `e`
 
 class _TestMisc(unittest.TestCase):
 	def setUp(self):
@@ -462,7 +499,9 @@ class _TestMisc(unittest.TestCase):
 			283: '00000000111111111110011',
 		} ]
 
-		res = checkchanges('data')
+		res, switch = checkchanges('data')
+
+		self.assertIsInstance(switch, SNMPSwitch)
 
 		validres = [ ('setpvid', x, 5, 283) for x in xrange(1, 9) ] + \
 		    [ ('setpvid', 20, 1, 283),
@@ -475,7 +514,7 @@ class _TestMisc(unittest.TestCase):
 
 		self.assertEqual(set(res), set(validres))
 
-_skipSwitchTests = True
+_skipSwitchTests = False
 
 class _TestSwitch(unittest.TestCase):
 	def setUp(self):
@@ -558,10 +597,30 @@ class _TestSwitch(unittest.TestCase):
 
 		# Create test vlan
 		switch.createvlan(testvlan, testname)
+		testport = None
 		try:
 			# make sure the test vlan was created
 			self.assertIn(testvlan, set(switch.staticvlans()))
 
 			self.assertEqual(testname, switch.getvlanname(testvlan))
+
+			switch.setegress(testvlan, '00100')
+
+			pvidmap = switch.getpvid()
+			testport = 3
+
+			egressports = switch.getegress(testvlan)
+			self.assertEqual(egressports[testvlan], '00100000' + '0' * 8 * 4)
+
+			switch.setuntagged(testvlan, '00100')
+
+			untaggedports = switch.getuntagged(testvlan)
+			self.assertEqual(untaggedports[testvlan], '00100000' + '0' * 8 * 4)
+
+			switch.setpvid(testport, testvlan)
+
+			self.assertEqual(switch.getpvid()[testport], testvlan)
 		finally:
+			if testport:
+				switch.setpvid(testport, pvidmap[3])
 			switch.deletevlan(testvlan)