diff --git a/etc/os-net-config/samples/sriov_pf.json b/etc/os-net-config/samples/sriov_pf.json
index f2235fc6..f3d0f155 100644
--- a/etc/os-net-config/samples/sriov_pf.json
+++ b/etc/os-net-config/samples/sriov_pf.json
@@ -4,7 +4,8 @@
             "type": "sriov_pf",
             "name": "p2p1",
             "numvfs": 10,
-            "use_dhcp": false
+            "use_dhcp": false,
+            "promisc": on
         },
         {
           "type": "sriov_vf",
@@ -14,7 +15,31 @@
             {
               "ip_netmask": "192.0.2.1/24"
             }
-          ]
+          ],
+          "vlan_id": 100,
+          "qos": 2,
+          "spoofcheck": true,
+          "macaddr": "00:78:90:80:cc:30",
+          "trust": true,
+          "state": auto,
+          "promisc": false
+        },
+        {
+            "type": "ovs_bridge",
+            "name": "br-vfs",
+            "members": [
+                {
+                    "type": "sriov_vf",
+                    "vfid": 1,
+                    "trust": true,
+                    "device": "p2p1",
+                    "promisc": true,
+                    "vlan_id": 116,
+                    "qos": 2,
+                    "spoofcheck": false
+                }
+            ],
+            "use_dhcp": true
         }
     ]
 }
diff --git a/etc/os-net-config/samples/sriov_pf.yaml b/etc/os-net-config/samples/sriov_pf.yaml
index 7458e4eb..28c1c8d7 100644
--- a/etc/os-net-config/samples/sriov_pf.yaml
+++ b/etc/os-net-config/samples/sriov_pf.yaml
@@ -13,6 +13,9 @@ network_config:
     numvfs: 10
     # Dont set the IP address on the PF
     use_dhcp: false
+    # Allow all the traffic received. It might be needed when one of its VF
+    # is attached to a ovs bridge
+    promisc: on
 
   # sriov_vf type shall be used to configure the VF's of NICs.
   # It requires the PF devices to be configured via sriov_pf types
@@ -27,3 +30,56 @@ network_config:
     vfid: 5
     addresses:
     - ip_netmask: 192.0.2.1/24
+    # When specified, all traffic sent from the VF will be tagged with the
+    # specified VLAN ID. Incoming traffic will be filtered for the specified
+    # VLAN ID, and will have all VLAN tags stripped before being passed to the
+    # VF. Setting this parameter to 0 disables VLAN tagging and filtering.
+    vlan_id: 100
+    # VLAN-Quality Of Service (priority) bits for the VLAN tag.
+    # When specified, all VLAN tags transmitted by the VF will include the
+    # specified priority bits in the VLAN tag. Requires vlan_id
+    # Default value is 0.
+    qos: 2
+    # MAC spoofing is a method of altering the MAC address
+    # The MAC address anti-spoofing when enabled protects from malicious MAC
+    # address spoofing. It should be disabled for 802.3ad bonds.
+    spoofcheck: on
+    # Change the MAC address of the VF.
+    macaddr: 00:78:90:80:cc:30
+    # Enabling trust (true) for VF allows enabling multicast/promiscuous mode
+    # on the VF. The default value is off.
+    trust: on
+    # Link state seen by the VF
+    # - auto: a reflection of the PF link state (default)
+    # - enable: lets the VF to communicate with other VFs on this host even
+    #           if the PF link state is down
+    # - disable: causes the HW to drop any packets sent by the VF.
+    state: auto
+    # Enabling promisc mode allows the traffic originally targeted to go to the
+    # VF and it will also receive the unmatched traffic and all the multicast
+    # traffic received in the physical port. Note that all traffic that has
+    # destination mac that does not match any of the VFs/PF MAC addresses is
+    # referred to as unmatched traffic.
+    # The default value is off. Requires the enabling of trust mode
+    promisc: off
+  # Attach a SR-IOV VF to a ovs bridge
+  - type: ovs_bridge
+    name: br-vfs
+    use_dhcp: true
+    members:
+    # Specify the type
+    - type: sriov_vf
+      # Required field
+      device: p2p1
+      # Required field
+      vfid: 1
+      # Optional field
+      vlan_id: 116
+      # Optional field, but requires vlan_id
+      qos: 3
+      # Set trust to 'on' when attaching to ovs_bridge
+      trust: on
+      # Set promisc to 'on' when attaching to ovs_bridge
+      promisc: on
+      # Set spoofcheck to 'off' when attaching to ovs_bridge
+      spoofcheck: off
diff --git a/os_net_config/cli.py b/os_net_config/cli.py
index f0678efb..4b729f7c 100644
--- a/os_net_config/cli.py
+++ b/os_net_config/cli.py
@@ -249,9 +249,16 @@ def main(argv=sys.argv):
     # Look for the presence of SriovPF types in the first parse of the json
     # if SriovPFs exists then PF devices needs to be configured so that the VF
     # devices are created.
+    # The VFs will not be available now and an exception
+    # SriovVfNotFoundException will be raised while fetching the device name.
+    # After the first parse the SR-IOV PF devices would be configured and the
+    # VF devices would be created.
     # In the second parse, all other objects shall be added
     for iface_json in iface_array:
-        obj = objects.object_from_json(iface_json)
+        try:
+            obj = objects.object_from_json(iface_json)
+        except utils.SriovVfNotFoundException:
+            continue
         if isinstance(obj, objects.SriovPF):
             configure_sriov = True
             provider.add_object(obj)
@@ -263,11 +270,20 @@ def main(argv=sys.argv):
         # All objects other than the sriov_pf will be added here.
         # The VFs are expected to be available now and an exception
         # SriovVfNotFoundException shall be raised if not available.
-        obj = objects.object_from_json(iface_json)
+        try:
+            obj = objects.object_from_json(iface_json)
+        except utils.SriovVfNotFoundException:
+            if not opts.noop:
+                raise
         if not isinstance(obj, objects.SriovPF):
             provider.add_object(obj)
+
+    if configure_sriov and not opts.noop:
+        utils.configure_sriov_vfs()
+
     files_changed = provider.apply(cleanup=opts.cleanup,
                                    activate=not opts.no_activate)
+
     if opts.noop:
         for location, data in files_changed.items():
             print("File: %s\n" % location)
diff --git a/os_net_config/impl_ifcfg.py b/os_net_config/impl_ifcfg.py
index e4cc98fa..00f5530a 100644
--- a/os_net_config/impl_ifcfg.py
+++ b/os_net_config/impl_ifcfg.py
@@ -140,7 +140,6 @@ class IfcfgNetConfig(os_net_config.NetConfig):
     def _add_common(self, base_opt):
 
         ovs_extra = []
-
         data = "# This file is autogenerated by os-net-config\n"
         data += "DEVICE=%s\n" % base_opt.name
         if base_opt.onboot:
@@ -678,7 +677,8 @@ class IfcfgNetConfig(os_net_config.NetConfig):
         logger.info('adding sriov pf: %s' % sriov_pf.name)
         data = self._add_common(sriov_pf)
         logger.debug('sriov pf data: %s' % data)
-        utils.update_sriov_pf_map(sriov_pf.name, sriov_pf.numvfs, self.noop)
+        utils.update_sriov_pf_map(sriov_pf.name, sriov_pf.numvfs,
+                                  self.noop, promisc=sriov_pf.promisc)
         self.interface_data[sriov_pf.name] = data
 
     def add_sriov_vf(self, sriov_vf):
@@ -686,13 +686,6 @@ class IfcfgNetConfig(os_net_config.NetConfig):
 
         :param sriov_vf: The SriovVF object to add
         """
-        # Retrieve the VF's name, using its PF device name and VF id.
-        # Note: The VF's name could be read only after setting the numvfs of
-        # the corresponding parent PF device. Untill this point the name field
-        # for VFs will be a empty string. An exception SriovVfNotFoundException
-        # shall be raised when the VF could not be found
-        sriov_vf.name = utils.get_vf_devname(sriov_vf.device, sriov_vf.vfid,
-                                             self.noop)
         logger.info('adding sriov vf: %s for pf: %s, vfid: %d'
                     % (sriov_vf.name, sriov_vf.device, sriov_vf.vfid))
         data = self._add_common(sriov_vf)
diff --git a/os_net_config/objects.py b/os_net_config/objects.py
index 5e070f28..86ac1f48 100644
--- a/os_net_config/objects.py
+++ b/os_net_config/objects.py
@@ -1121,7 +1121,8 @@ class SriovVF(_BaseOpts):
                  addresses=None, routes=None, mtu=None, primary=False,
                  nic_mapping=None, persist_mapping=False, defroute=True,
                  dhclient_args=None, dns_servers=None, nm_controlled=False,
-                 onboot=True):
+                 onboot=True, vlan_id=0, qos=0, spoofcheck=None,
+                 trust=None, state=None, macaddr=None, promisc=None):
         addresses = addresses or []
         routes = routes or []
         dns_servers = dns_servers or []
@@ -1131,13 +1132,38 @@ class SriovVF(_BaseOpts):
         # Empty strings are set for the name field.
         # The provider shall identify the VF name from the PF device name
         # (device) and the VF id.
-        super(SriovVF, self).__init__("", use_dhcp, use_dhcpv6, addresses,
+        name = utils.get_vf_devname(device, vfid)
+        super(SriovVF, self).__init__(name, use_dhcp, use_dhcpv6, addresses,
                                       routes, mtu, primary, nic_mapping,
                                       persist_mapping, defroute,
                                       dhclient_args, dns_servers,
                                       nm_controlled, onboot)
-        self.vfid = vfid
+        self.vfid = int(vfid)
         self.device = device
+        self.vlan_id = int(vlan_id)
+        self.qos = int(qos)
+        self.spoofcheck = spoofcheck
+        self.trust = trust
+        self.state = state
+        self.macaddr = macaddr
+        self.promisc = promisc
+        utils.update_sriov_vf_map(device, self.vfid, name,
+                                  vlan_id=self.vlan_id,
+                                  qos=self.qos,
+                                  spoofcheck=spoofcheck,
+                                  trust=trust,
+                                  state=state,
+                                  macaddr=macaddr,
+                                  promisc=promisc)
+
+    @staticmethod
+    def get_on_off(config):
+        rval = None
+        if config:
+            rval = "on"
+        elif config is False:
+            rval = "off"
+        return rval
 
     @staticmethod
     def from_json(json):
@@ -1146,7 +1172,22 @@ class SriovVF(_BaseOpts):
         # Get the PF device name
         device = _get_required_field(json, 'device', 'SriovVF')
         opts = _BaseOpts.base_opts_from_json(json)
-        return SriovVF(device, vfid, *opts)
+        vlan_id = json.get('vlan_id', 0)
+        qos = json.get('qos', 0)
+        if qos != 0 and vlan_id == 0:
+            msg = "Vlan tag not set for QOS - VF: %s:%d" % (device, vfid)
+            raise InvalidConfigException(msg)
+        spoofcheck = SriovVF.get_on_off(json.get('spoofcheck'))
+        trust = SriovVF.get_on_off(json.get('trust'))
+        promisc = SriovVF.get_on_off(json.get('promisc'))
+        state = json.get('state')
+        if state not in [None, 'auto', 'enable', 'disable']:
+            msg = 'Expecting state to match auto/enable/disable'
+            raise InvalidConfigException(msg)
+        macaddr = json.get('macaddr')
+        return SriovVF(device, vfid, *opts, vlan_id=vlan_id, qos=qos,
+                       spoofcheck=spoofcheck, trust=trust, state=state,
+                       macaddr=macaddr, promisc=promisc)
 
 
 class SriovPF(_BaseOpts):
@@ -1156,7 +1197,7 @@ class SriovPF(_BaseOpts):
                  addresses=None, routes=None, mtu=None, primary=False,
                  nic_mapping=None, persist_mapping=False, defroute=True,
                  dhclient_args=None, dns_servers=None, nm_controlled=False,
-                 onboot=True, members=None):
+                 onboot=True, members=None, promisc=None):
         addresses = addresses or []
         routes = routes or []
         dns_servers = dns_servers or []
@@ -1165,19 +1206,25 @@ class SriovPF(_BaseOpts):
                                       persist_mapping, defroute,
                                       dhclient_args, dns_servers,
                                       nm_controlled, onboot)
-        self.numvfs = numvfs
+        self.numvfs = int(numvfs)
         mapped_nic_names = mapped_nics(nic_mapping)
         if name in mapped_nic_names:
             self.name = mapped_nic_names[name]
         else:
             self.name = name
+        self.promisc = promisc
 
     @staticmethod
     def from_json(json):
         name = _get_required_field(json, 'name', 'SriovPF')
         numvfs = _get_required_field(json, 'numvfs', 'SriovPF')
+        promisc = json.get('promisc', None)
+        if promisc is True:
+            promisc = "on"
+        elif promisc is False:
+            promisc = "off"
         opts = _BaseOpts.base_opts_from_json(json)
-        return SriovPF(name, numvfs, *opts)
+        return SriovPF(name, numvfs, *opts, promisc=promisc)
 
 
 class OvsDpdkBond(_BaseOpts):
diff --git a/os_net_config/schema.yaml b/os_net_config/schema.yaml
index ac61a302..657c4977 100644
--- a/os_net_config/schema.yaml
+++ b/os_net_config/schema.yaml
@@ -30,7 +30,13 @@ definitions:
             type: string
             pattern: "(?i)^(t|true|on|y|yes|1|f|false|off|n|no|0)$"
           - $ref: "#/definitions/param"
-
+    sriov_vf_state_string:
+        type: string
+        pattern: "^(auto|enable|disable)$"
+    # MAC address type
+    mac_address_string:
+        type: string
+        pattern: "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$"
     # IP address and address+prefix types
     ipv4_address_string:
         type: string
@@ -256,6 +262,8 @@ definitions:
                 $ref: "#/definitions/bool_or_param"
             numvfs:
                 $ref: "#/definitions/int_or_param"
+            promisc:
+                $ref: "#/definitions/bool_or_param"
             hotplug:
                 $ref: "#/definitions/bool_or_param"
             # common options:
@@ -300,8 +308,22 @@ definitions:
                 $ref: "#/definitions/string_or_param"
             vfid:
                 $ref: "#/definitions/int_or_param"
+            vlan_id:
+                $ref: "#/definitions/int_or_param"
+            qos:
+                $ref: "#/definitions/int_or_param"
             hotplug:
                 $ref: "#/definitions/bool_or_param"
+            spoofcheck:
+                $ref: "#/definitions/bool_or_param"
+            trust:
+                $ref: "#/definitions/bool_or_param"
+            promisc:
+                $ref: "#/definitions/bool_or_param"
+            macaddr:
+                $ref: "#/definitions/mac_address_string"
+            state:
+                $ref: "#/definitions/sriov_vf_state_string"
             # common options:
             use_dhcp:
                 $ref: "#/definitions/bool_or_param"
@@ -391,6 +413,7 @@ definitions:
                       - $ref: "#/definitions/ovs_bond"
                       - $ref: "#/definitions/ovs_tunnel"
                       - $ref: "#/definitions/ovs_patch_port"
+                      - $ref: "#/definitions/sriov_vf"
             ovs_options:
                 $ref: "#/definitions/ovs_options_string_or_param"
             ovs_extra:
diff --git a/os_net_config/sriov_config.py b/os_net_config/sriov_config.py
index dece520a..8e867101 100644
--- a/os_net_config/sriov_config.py
+++ b/os_net_config/sriov_config.py
@@ -21,29 +21,53 @@
 # it for the first time configuration.
 # An entry point os-net-config-sriov is added for invocation of this module.
 
+import argparse
 import logging
 import os
+import pyudev
+from six.moves import queue as Queue
 import sys
-import time
 import yaml
 
-logger = logging.getLogger(__name__)
+from oslo_concurrency import processutils
 
-# File to contain the list of SR-IOV nics and the numvfs
+logger = logging.getLogger(__name__)
+# Create a queue for passing the udev network events
+vf_queue = Queue.Queue()
+
+
+# File to contain the list of SR-IOV PF, VF and their configurations
 # Format of the file shall be
-#
-# - name: eth1
-#   numvfs: 5
-_SRIOV_PF_CONFIG_FILE = '/var/lib/os-net-config/sriov_pf.yaml'
-_SYS_CLASS_NET = '/sys/class/net'
-# maximum retries for checking the creation of VFs
-_MAX_SRIOV_VFS_CONFIG_RETRIES = 60
+# - device_type: pf
+#   name: <pf name>
+#   numvfs: <number of VFs>
+#   promisc: "on"/"off"
+# - device_type: vf
+#   device:
+#      name: <pf name>
+#      vfid: <VF id>
+#   name: <vf name>
+#   vlan_id: <vlan>
+#   qos: <qos>
+#   spoofcheck: "on"/"off"
+#   trust: "on"/"off"
+#   state: "auto"/"enable"/"disable"
+#   macaddr: <mac address>
+#   promisc: "on"/"off"
+_SRIOV_CONFIG_FILE = '/var/lib/os-net-config/sriov_config.yaml'
 
 
 class SRIOVNumvfsException(ValueError):
     pass
 
 
+def udev_event_handler(action, device):
+    event = {"action": action, "device": device.sys_path}
+    logger.info("Received udev event %s for %s"
+                % (event["action"], event["device"]))
+    vf_queue.put(event)
+
+
 def get_file_data(filename):
     if not os.path.exists(filename):
         return ''
@@ -55,55 +79,161 @@ def get_file_data(filename):
         return ''
 
 
-def _get_sriov_pf_map():
-    contents = get_file_data(_SRIOV_PF_CONFIG_FILE)
-    sriov_pf_map = yaml.load(contents) if contents else []
-    return sriov_pf_map
+def _get_sriov_map():
+    contents = get_file_data(_SRIOV_CONFIG_FILE)
+    sriov_map = yaml.load(contents) if contents else []
+    return sriov_map
 
 
-def _configure_sriov_pf():
-    sriov_pf_map = _get_sriov_pf_map()
-    for item in sriov_pf_map:
-        try:
-            sriov_numvfs_path = ("/sys/class/net/%s/device/sriov_numvfs"
-                                 % item['name'])
-            with open(sriov_numvfs_path, 'w') as f:
-                f.write("%d" % item['numvfs'])
-        except IOError as exc:
-            msg = ("Unable to configure pf: %s with numvfs: %d\n%s"
-                   % (item['name'], item['numvfs'], exc))
-            raise SRIOVNumvfsException(msg)
+def configure_sriov_pf():
+    # Create a context for pyudev and observe udev events for network
+    context = pyudev.Context()
+    monitor = pyudev.Monitor.from_netlink(context)
+    monitor.filter_by('net')
+    observer = pyudev.MonitorObserver(monitor, udev_event_handler)
+    observer.start()
 
-
-def _wait_for_vf_creation():
-    sriov_map = _get_sriov_pf_map()
+    sriov_map = _get_sriov_map()
     for item in sriov_map:
-        count = 0
-        while count < _MAX_SRIOV_VFS_CONFIG_RETRIES:
-            pf = item['name']
-            numvfs = item['numvfs']
-            vf_path = os.path.join(_SYS_CLASS_NET, pf,
-                                   "device/virtfn%d/net" % (numvfs - 1))
-            if os.path.isdir(vf_path):
-                vf_nic = os.listdir(vf_path)
-                if len(vf_nic) == 1 and pf in vf_nic[0]:
-                    logger.info("VFs created for PF: %s" % pf)
-                    break
+        if item['device_type'] == 'pf':
+            _pf_interface_up(item)
+            try:
+                sriov_numvfs_path = ("/sys/class/net/%s/device/sriov_numvfs"
+                                     % item['name'])
+                with open(sriov_numvfs_path, 'w') as f:
+                    f.write("%d" % item['numvfs'])
+            except IOError as exc:
+                msg = ("Unable to configure pf: %s with numvfs: %d\n%s"
+                       % (item['name'], item['numvfs'], exc))
+                raise SRIOVNumvfsException(msg)
+            # Wait for the creation of VFs for each PF
+            _wait_for_vf_creation(item['name'], item['numvfs'])
+    observer.stop()
+
+
+def _wait_for_vf_creation(pf_name, numvfs):
+    vf_count = 0
+    vf_list = []
+    while vf_count < numvfs:
+        try:
+            # wait for 5 seconds after every udev event
+            event = vf_queue.get(True, 5)
+            vf_name = os.path.basename(event["device"])
+            pf_path = os.path.normpath(os.path.join(event["device"],
+                                                    "../../physfn/net"))
+            if os.path.isdir(pf_path):
+                pf_nic = os.listdir(pf_path)
+                if len(pf_nic) == 1 and pf_name == pf_nic[0]:
+                    if vf_name not in vf_list:
+                        vf_list.append(vf_name)
+                        logger.info("VF: %s created for PF: %s"
+                                    % (vf_name, pf_name))
+                        vf_count = vf_count + 1
                 else:
-                    logger.debug("VF device name not present for PF %s" % pf)
+                    logger.error("Unable to parse event %s" % event["device"])
             else:
-                logger.info("Attempt#%d, VFs for PF %s is not yet created"
-                            % (count + 1, pf))
-            time.sleep(1)
-            count += 1
+                logger.error("%s is not a directory" % pf_path)
+        except Queue.Empty:
+            logger.info("Timeout in the creation of VFs for PF %s" % pf_name)
+            return
+    logger.info("Required VFs are created for PF %s" % pf_name)
 
 
-def main(argv=None):
+def run_ip_config_cmd(*cmd, **kwargs):
+    logger.info("Running %s" % ' '.join(cmd))
+    try:
+        processutils.execute(*cmd, **kwargs)
+    except processutils.ProcessExecutionError:
+        logger.error("Failed to execute %s" % ' '.join(cmd))
+        raise
+
+
+def _pf_interface_up(pf_device):
+    if 'promisc' in pf_device:
+        run_ip_config_cmd('ip', 'link', 'set', 'dev', pf_device['name'],
+                          'promisc', pf_device['promisc'])
+    logger.info("Bringing up PF: %s" % pf_device['name'])
+    run_ip_config_cmd('ip', 'link', 'set', 'dev', pf_device['name'], 'up')
+
+
+def configure_sriov_vf():
+    sriov_map = _get_sriov_map()
+    for item in sriov_map:
+        if item['device_type'] == 'vf':
+            pf_name = item['device']['name']
+            vfid = item['device']['vfid']
+            base_cmd = ('ip', 'link', 'set', 'dev', pf_name, 'vf', str(vfid))
+            logger.info("Configuring settings for PF: %s VF :%d VF name : %s"
+                        % (pf_name, vfid, item['name']))
+            if 'macaddr' in item:
+                cmd = base_cmd + ('mac', item['macaddr'])
+                run_ip_config_cmd(*cmd)
+            if 'vlan_id' in item:
+                vlan_cmd = base_cmd + ('vlan', str(item['vlan_id']))
+                if 'qos' in item:
+                    vlan_cmd = vlan_cmd + ('qos', str(item['qos']))
+                run_ip_config_cmd(*vlan_cmd)
+            if 'spoofcheck' in item:
+                cmd = base_cmd + ('spoofchk', item['spoofcheck'])
+                run_ip_config_cmd(*cmd)
+            if 'state' in item:
+                cmd = base_cmd + ('state', item['state'])
+                run_ip_config_cmd(*cmd)
+            if 'trust' in item:
+                cmd = base_cmd + ('trust', item['trust'])
+                run_ip_config_cmd(*cmd)
+            if 'promisc' in item:
+                run_ip_config_cmd('ip', 'link', 'set', 'dev', item['name'],
+                                  'promisc', item['promisc'])
+
+
+def parse_opts(argv):
+
+    parser = argparse.ArgumentParser(
+        description='Configure SR-IOV PF and VF interfaces using a YAML'
+        ' config file format.')
+
+    parser.add_argument(
+        '-d', '--debug',
+        dest="debug",
+        action='store_true',
+        help="Print debugging output.",
+        required=False)
+
+    parser.add_argument(
+        '-v', '--verbose',
+        dest="verbose",
+        action='store_true',
+        help="Print verbose output.",
+        required=False)
+
+    opts = parser.parse_args(argv[1:])
+
+    return opts
+
+
+def configure_logger(verbose=False, debug=False):
+    LOG_FORMAT = '[%(asctime)s] [%(levelname)s] %(message)s'
+    DATE_FORMAT = '%Y/%m/%d %I:%M:%S %p'
+    log_level = logging.WARN
+
+    if debug:
+        log_level = logging.DEBUG
+    elif verbose:
+        log_level = logging.INFO
+
+    logging.basicConfig(format=LOG_FORMAT, datefmt=DATE_FORMAT,
+                        level=log_level)
+
+
+def main(argv=sys.argv):
+    opts = parse_opts(argv)
+    configure_logger(opts.verbose, opts.debug)
     # Configure the PF's
-    _configure_sriov_pf()
-    # Wait for the VF's to get created
-    _wait_for_vf_creation()
+    configure_sriov_pf()
+    # Configure the VFs
+    configure_sriov_vf()
 
 
 if __name__ == '__main__':
-    sys.exit(main(sys.argv[1:]))
+    sys.exit(main(sys.argv))
diff --git a/os_net_config/tests/test_cli.py b/os_net_config/tests/test_cli.py
index c862d924..f9b9756e 100644
--- a/os_net_config/tests/test_cli.py
+++ b/os_net_config/tests/test_cli.py
@@ -15,11 +15,13 @@
 # under the License.
 
 import os.path
+import random
 import sys
 import yaml
 
 import os_net_config
 from os_net_config import cli
+from os_net_config import sriov_config
 from os_net_config.tests import base
 import six
 
@@ -31,6 +33,16 @@ SAMPLE_BASE = os.path.join(REALPATH, '../../', 'etc',
 
 class TestCli(base.TestCase):
 
+    def setUp(self):
+        super(TestCli, self).setUp()
+        rand = str(int(random.random() * 100000))
+        sriov_config._SRIOV_CONFIG_FILE = '/tmp/sriov_config_' + rand + '.yaml'
+
+    def tearDown(self):
+        super(TestCli, self).tearDown()
+        if os.path.isfile(sriov_config._SRIOV_CONFIG_FILE):
+            os.remove(sriov_config._SRIOV_CONFIG_FILE)
+
     def run_cli(self, argstr, exitcodes=(0,)):
         orig = sys.stdout
         orig_stderr = sys.stderr
@@ -191,6 +203,10 @@ class TestCli(base.TestCase):
                                            % interface_yaml, exitcodes=(0,))
 
     def test_sriov_noop_output(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
         ivs_yaml = os.path.join(SAMPLE_BASE, 'sriov_pf.yaml')
         ivs_json = os.path.join(SAMPLE_BASE, 'sriov_pf.json')
         stdout_yaml, stderr = self.run_cli('ARG0 --provider=ifcfg --noop '
@@ -202,7 +218,8 @@ class TestCli(base.TestCase):
                                            '-c %s' % ivs_json)
         self.assertEqual('', stderr)
         sanity_devices = ['DEVICE=p2p1',
-                          'DEVICE=p2p1_5']
+                          'DEVICE=p2p1_5',
+                          'DEVICE=p2p1_1']
         for dev in sanity_devices:
             self.assertIn(dev, stdout_yaml)
         self.assertEqual(stdout_yaml, stdout_json)
diff --git a/os_net_config/tests/test_impl_ifcfg.py b/os_net_config/tests/test_impl_ifcfg.py
index ce7e1fc8..b6f9fe5e 100644
--- a/os_net_config/tests/test_impl_ifcfg.py
+++ b/os_net_config/tests/test_impl_ifcfg.py
@@ -15,6 +15,7 @@
 # under the License.
 
 import os.path
+import random
 import tempfile
 
 from oslo_concurrency import processutils
@@ -22,6 +23,7 @@ from oslo_concurrency import processutils
 import os_net_config
 from os_net_config import impl_ifcfg
 from os_net_config import objects
+from os_net_config import sriov_config
 from os_net_config.tests import base
 from os_net_config import utils
 
@@ -475,14 +477,17 @@ CPU_LIST=2,3
 
 
 class TestIfcfgNetConfig(base.TestCase):
-
     def setUp(self):
         super(TestIfcfgNetConfig, self).setUp()
+        rand = str(int(random.random() * 100000))
+        sriov_config._SRIOV_CONFIG_FILE = '/tmp/sriov_config_' + rand + '.yaml'
 
         self.provider = impl_ifcfg.IfcfgNetConfig()
 
     def tearDown(self):
         super(TestIfcfgNetConfig, self).tearDown()
+        if os.path.isfile(sriov_config._SRIOV_CONFIG_FILE):
+            os.remove(sriov_config._SRIOV_CONFIG_FILE)
 
     def get_interface_config(self, name='em1'):
         return self.provider.interface_data[name]
@@ -1120,18 +1125,31 @@ DNS2=5.6.7.8
         bond_data = self.get_linux_bond_config('bond1')
         self.assertEqual(_NM_CONTROLLED_BOND, bond_data)
 
-    def test_network_sriov_vf(self):
+    def test_network_sriov_vf_without_config(self):
         nic_mapping = {'nic1': 'eth0', 'nic2': 'eth1', 'nic3': 'eth2'}
         self.stubbed_mapped_nics = nic_mapping
         addresses = [objects.Address('10.0.0.30/24')]
-        vf = objects.SriovVF(device='nic3', vfid=7, addresses=addresses)
 
-        def test_get_vf_devname(device, vfid, noop):
-            self.assertEqual(device, 'eth2')
+        def test_update_sriov_vf_map(pf_name, vfid, vf_name, vlan_id=None,
+                                     qos=None, spoofcheck=None, trust=None,
+                                     state=None, macaddr=None, promisc=None):
+            self.assertEqual(pf_name, 'eth2')
             self.assertEqual(vfid, 7)
-            return 'eth2_7'
+            self.assertEqual(vlan_id, 0)
+            self.assertEqual(qos, 0)
+            self.assertEqual(spoofcheck, None)
+            self.assertEqual(trust, None)
+            self.assertEqual(state, None)
+            self.assertEqual(macaddr, None)
+        self.stub_out('os_net_config.utils.update_sriov_vf_map',
+                      test_update_sriov_vf_map)
+
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+
         self.stub_out('os_net_config.utils.get_vf_devname',
                       test_get_vf_devname)
+        vf = objects.SriovVF(device='nic3', vfid=7, addresses=addresses)
         self.provider.add_sriov_vf(vf)
         vf_config = """# This file is autogenerated by os-net-config
 DEVICE=eth2_7
@@ -1145,15 +1163,152 @@ NETMASK=255.255.255.0
 """
         self.assertEqual(vf_config, self.get_interface_config('eth2_7'))
 
-    def test_network_sriov_pf(self):
+    def test_network_sriov_vf_true(self):
+        nic_mapping = {'nic1': 'eth0', 'nic2': 'eth1', 'nic3': 'eth2'}
+        self.stubbed_mapped_nics = nic_mapping
+        addresses = [objects.Address('10.0.0.30/24')]
+
+        def test_update_sriov_vf_map(pf_name, vfid, vf_name, vlan_id=None,
+                                     qos=None, spoofcheck=None, trust=None,
+                                     state=None, macaddr=None, promisc=None):
+            self.assertEqual(pf_name, 'eth2')
+            self.assertEqual(vf_name, 'eth2_7')
+            self.assertEqual(vfid, 7)
+            self.assertEqual(vlan_id, 100)
+            self.assertEqual(qos, 10)
+            self.assertTrue(spoofcheck)
+            self.assertTrue(trust)
+            self.assertEqual(state, "auto")
+            self.assertEqual(macaddr, "AA:BB:CC:DD:EE:FF")
+            self.assertTrue(promisc)
+        self.stub_out('os_net_config.utils.update_sriov_vf_map',
+                      test_update_sriov_vf_map)
+
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
+        vf = objects.SriovVF(device='nic3', vfid=7, addresses=addresses,
+                             vlan_id='100', qos='10', spoofcheck=True,
+                             trust=True, state="auto",
+                             macaddr="AA:BB:CC:DD:EE:FF", promisc=True)
+
+        self.provider.add_sriov_vf(vf)
+        vf_config = """# This file is autogenerated by os-net-config
+DEVICE=eth2_7
+ONBOOT=yes
+HOTPLUG=no
+NM_CONTROLLED=no
+PEERDNS=no
+BOOTPROTO=static
+IPADDR=10.0.0.30
+NETMASK=255.255.255.0
+"""
+        self.assertEqual(vf_config, self.get_interface_config('eth2_7'))
+
+    def test_network_sriov_vf_config_false(self):
+        nic_mapping = {'nic1': 'eth0', 'nic2': 'eth1', 'nic3': 'eth2'}
+        self.stubbed_mapped_nics = nic_mapping
+        addresses = [objects.Address('10.0.0.30/24')]
+
+        def test_update_sriov_vf_map(pf_name, vfid, vf_name, vlan_id=None,
+                                     qos=None, spoofcheck=None, trust=None,
+                                     state=None, macaddr=None, promisc=None):
+            self.assertEqual(pf_name, 'eth2')
+            self.assertEqual(vf_name, 'eth2_7')
+            self.assertEqual(vfid, 7)
+            self.assertEqual(vlan_id, 100)
+            self.assertEqual(qos, 10)
+            self.assertFalse(spoofcheck)
+            self.assertFalse(trust)
+            self.assertEqual(state, "enable")
+            self.assertEqual(macaddr, "AA:BB:CC:DD:EE:FF")
+            self.assertFalse(promisc)
+        self.stub_out('os_net_config.utils.update_sriov_vf_map',
+                      test_update_sriov_vf_map)
+
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
+        vf = objects.SriovVF(device='nic3', vfid=7, addresses=addresses,
+                             vlan_id='100', qos='10', spoofcheck=False,
+                             trust=False, state="enable",
+                             macaddr="AA:BB:CC:DD:EE:FF", promisc=False)
+
+        self.provider.add_sriov_vf(vf)
+        vf_config = """# This file is autogenerated by os-net-config
+DEVICE=eth2_7
+ONBOOT=yes
+HOTPLUG=no
+NM_CONTROLLED=no
+PEERDNS=no
+BOOTPROTO=static
+IPADDR=10.0.0.30
+NETMASK=255.255.255.0
+"""
+        self.assertEqual(vf_config, self.get_interface_config('eth2_7'))
+
+    def test_network_sriov_pf_without_promisc(self):
         nic_mapping = {'nic1': 'eth0', 'nic2': 'eth1', 'nic3': 'eth2'}
         self.stubbed_mapped_nics = nic_mapping
 
         pf = objects.SriovPF(name='nic3', numvfs=10)
 
-        def test_update_sriov_pf_map(name, numvfs, noop):
+        def test_update_sriov_pf_map(name, numvfs, noop, promisc=None):
             self.assertEqual(name, 'eth2')
             self.assertEqual(numvfs, 10)
+            self.assertEqual(promisc, None)
+        self.stub_out('os_net_config.utils.update_sriov_pf_map',
+                      test_update_sriov_pf_map)
+        self.provider.add_sriov_pf(pf)
+        pf_config = """# This file is autogenerated by os-net-config
+DEVICE=eth2
+ONBOOT=yes
+HOTPLUG=no
+NM_CONTROLLED=no
+PEERDNS=no
+BOOTPROTO=none
+"""
+        self.assertEqual(pf_config, self.get_interface_config('eth2'))
+
+    def test_network_sriov_pf_with_promisc_on(self):
+        nic_mapping = {'nic1': 'eth0', 'nic2': 'eth1', 'nic3': 'eth2'}
+        self.stubbed_mapped_nics = nic_mapping
+
+        pf = objects.SriovPF(name='nic3', numvfs=10, promisc=True)
+
+        def test_update_sriov_pf_map(name, numvfs, noop, promisc=None):
+            self.assertEqual(name, 'eth2')
+            self.assertEqual(numvfs, 10)
+            self.assertTrue(promisc)
+        self.stub_out('os_net_config.utils.update_sriov_pf_map',
+                      test_update_sriov_pf_map)
+        self.provider.add_sriov_pf(pf)
+        pf_config = """# This file is autogenerated by os-net-config
+DEVICE=eth2
+ONBOOT=yes
+HOTPLUG=no
+NM_CONTROLLED=no
+PEERDNS=no
+BOOTPROTO=none
+"""
+        self.assertEqual(pf_config, self.get_interface_config('eth2'))
+
+    def test_network_sriov_pf_with_promisc_off(self):
+        nic_mapping = {'nic1': 'eth0', 'nic2': 'eth1', 'nic3': 'eth2'}
+        self.stubbed_mapped_nics = nic_mapping
+
+        pf = objects.SriovPF(name='nic3', numvfs=10, promisc=False)
+
+        def test_update_sriov_pf_map(name, numvfs, noop, promisc=None):
+            self.assertEqual(name, 'eth2')
+            self.assertEqual(numvfs, 10)
+            self.assertFalse(promisc)
         self.stub_out('os_net_config.utils.update_sriov_pf_map',
                       test_update_sriov_pf_map)
         self.provider.add_sriov_pf(pf)
diff --git a/os_net_config/tests/test_objects.py b/os_net_config/tests/test_objects.py
index 3616951c..a7ee6b5a 100644
--- a/os_net_config/tests/test_objects.py
+++ b/os_net_config/tests/test_objects.py
@@ -1210,10 +1210,11 @@ class TestSriovPF(base.TestCase):
 
     def test_from_json_numvfs(self):
         data = '{"type": "sriov_pf", "name": "em1", "numvfs": 16,' \
-               '"use_dhcp": false}'
+               '"use_dhcp": false, "promisc": false}'
         pf = objects.object_from_json(json.loads(data))
         self.assertEqual("em1", pf.name)
         self.assertEqual(16, pf.numvfs)
+        self.assertEqual("off", pf.promisc)
         self.assertFalse(pf.use_dhcp)
 
     def test_from_json_numvfs_nic1(self):
@@ -1221,37 +1222,148 @@ class TestSriovPF(base.TestCase):
             return {"nic1": "em4"}
         self.stub_out('os_net_config.objects.mapped_nics', dummy_mapped_nics)
 
+        data = '{"type": "sriov_pf", "name": "nic1", "numvfs": 16,' \
+               '"use_dhcp": false, "promisc": true}'
+        pf = objects.object_from_json(json.loads(data))
+        self.assertEqual("em4", pf.name)
+        self.assertEqual(16, pf.numvfs)
+        self.assertFalse(pf.use_dhcp)
+        self.assertEqual('on', pf.promisc)
+
+    def test_from_json_without_promisc(self):
+        def dummy_mapped_nics(nic_mapping=None):
+            return {"nic1": "em4"}
+        self.stub_out('os_net_config.objects.mapped_nics', dummy_mapped_nics)
+
         data = '{"type": "sriov_pf", "name": "nic1", "numvfs": 16,' \
                '"use_dhcp": false}'
         pf = objects.object_from_json(json.loads(data))
         self.assertEqual("em4", pf.name)
         self.assertEqual(16, pf.numvfs)
         self.assertFalse(pf.use_dhcp)
+        self.assertEqual(None, pf.promisc)
 
 
 class TestSriovVF(base.TestCase):
 
+    def setUp(self):
+        super(TestSriovVF, self).setUp()
+
+    def tearDown(self):
+        super(TestSriovVF, self).tearDown()
+
     def test_from_json_vfid(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
         data = '{"type": "sriov_vf", "device": "em1", "vfid": 16,' \
                '"use_dhcp": false}'
         vf = objects.object_from_json(json.loads(data))
         self.assertEqual("em1", vf.device)
         self.assertEqual(16, vf.vfid)
         self.assertFalse(vf.use_dhcp)
-        self.assertEqual("", vf.name)
+        self.assertEqual("em1_16", vf.name)
 
     def test_from_json_name_ignored(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
         data = '{"type": "sriov_vf", "device": "em1", "vfid": 16,' \
-               '"use_dhcp": false, "name": "em1_16"}'
+               '"use_dhcp": false, "name": "em1_7"}'
         vf = objects.object_from_json(json.loads(data))
         self.assertEqual("em1", vf.device)
         self.assertEqual(16, vf.vfid)
         self.assertFalse(vf.use_dhcp)
-        self.assertEqual("", vf.name)
+        self.assertEqual("em1_16", vf.name)
+
+    def test_from_json_vfid_configs_enabled(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
+        data = '{"type": "sriov_vf", "device": "em4", "vfid": 16,' \
+               '"use_dhcp": false, "vlan_id": 100, "qos": 2, "trust": true,' \
+               '"state": "auto", "spoofcheck": true,' \
+               '"macaddr":"AA:BB:CC:DD:EE:FF", "promisc": true}'
+        vf = objects.object_from_json(json.loads(data))
+        self.assertEqual("em4", vf.device)
+        self.assertEqual(16, vf.vfid)
+        self.assertFalse(vf.use_dhcp)
+        self.assertEqual("em4_16", vf.name)
+        self.assertEqual(100, vf.vlan_id)
+        self.assertEqual(2, vf.qos)
+        self.assertEqual("on", vf.spoofcheck)
+        self.assertEqual("on", vf.trust)
+        self.assertEqual("auto", vf.state)
+        self.assertEqual("AA:BB:CC:DD:EE:FF", vf.macaddr)
+        self.assertEqual("on", vf.promisc)
+
+    def test_from_json_vfid_configs_disabled(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
+        data = '{"type": "sriov_vf", "device": "em4", "vfid": 16,' \
+               '"use_dhcp": false, "vlan_id": 0, "qos": 0, "trust": false,' \
+               '"state": "disable", "spoofcheck": false,' \
+               '"promisc": false}'
+        vf = objects.object_from_json(json.loads(data))
+        self.assertEqual("em4", vf.device)
+        self.assertEqual(16, vf.vfid)
+        self.assertFalse(vf.use_dhcp)
+        self.assertEqual("em4_16", vf.name)
+        self.assertEqual(0, vf.vlan_id)
+        self.assertEqual(0, vf.qos)
+        self.assertEqual("off", vf.spoofcheck)
+        self.assertEqual("off", vf.trust)
+        self.assertEqual("disable", vf.state)
+        self.assertEqual(None, vf.macaddr)
+        self.assertEqual("off", vf.promisc)
+
+    def test_from_json_vfid_invalid_state(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
+        data = '{"type": "sriov_vf", "device": "em4", "vfid": 16,' \
+               '"use_dhcp": false, "vlan_id": 0, "qos": 0, "trust": false,' \
+               '"state": "disabled", ' \
+               '"promisc": false}'
+        err = self.assertRaises(objects.InvalidConfigException,
+                                objects.object_from_json,
+                                json.loads(data))
+        expected = 'Expecting state to match auto/enable/disable'
+        self.assertIn(expected, six.text_type(err))
+
+    def test_from_json_vfid_invalid_qos(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
+        data = '{"type": "sriov_vf", "device": "em4", "vfid": 16,' \
+               '"use_dhcp": false, "vlan_id": 0, "qos": 10, "trust": false,' \
+               '"promisc": false}'
+        err = self.assertRaises(objects.InvalidConfigException,
+                                objects.object_from_json,
+                                json.loads(data))
+        expected = 'Vlan tag not set for QOS - VF: em4:16'
+        self.assertIn(expected, six.text_type(err))
 
     def test_from_json_vfid_nic1(self):
+        def test_get_vf_devname(device, vfid):
+            return device + '_' + str(vfid)
+        self.stub_out('os_net_config.utils.get_vf_devname',
+                      test_get_vf_devname)
+
         def dummy_mapped_nics(nic_mapping=None):
             return {"nic1": "em4"}
+
         self.stub_out('os_net_config.objects.mapped_nics', dummy_mapped_nics)
 
         data = '{"type": "sriov_vf", "device": "nic1", "vfid": 16,' \
@@ -1260,7 +1372,7 @@ class TestSriovVF(base.TestCase):
         self.assertEqual("em4", vf.device)
         self.assertEqual(16, vf.vfid)
         self.assertFalse(vf.use_dhcp)
-        self.assertEqual("", vf.name)
+        self.assertEqual("em4_16", vf.name)
 
 
 class TestOvsDpdkBond(base.TestCase):
diff --git a/os_net_config/tests/test_utils.py b/os_net_config/tests/test_utils.py
index 29811f79..308f4834 100644
--- a/os_net_config/tests/test_utils.py
+++ b/os_net_config/tests/test_utils.py
@@ -23,6 +23,7 @@ import tempfile
 import yaml
 
 from os_net_config import objects
+from os_net_config import sriov_config
 from os_net_config.tests import base
 from os_net_config import utils
 
@@ -81,14 +82,14 @@ class TestUtils(base.TestCase):
         super(TestUtils, self).setUp()
         rand = str(int(random.random() * 100000))
         utils._DPDK_MAPPING_FILE = '/tmp/dpdk_mapping_' + rand + '.yaml'
-        utils._SRIOV_PF_CONFIG_FILE = '/tmp/sriov_pf_' + rand + '.yaml'
+        sriov_config._SRIOV_CONFIG_FILE = '/tmp/sriov_config_' + rand + '.yaml'
 
     def tearDown(self):
         super(TestUtils, self).tearDown()
         if os.path.isfile(utils._DPDK_MAPPING_FILE):
             os.remove(utils._DPDK_MAPPING_FILE)
-        if os.path.isfile(utils._SRIOV_PF_CONFIG_FILE):
-            os.remove(utils._SRIOV_PF_CONFIG_FILE)
+        if os.path.isfile(sriov_config._SRIOV_CONFIG_FILE):
+            os.remove(sriov_config._SRIOV_CONFIG_FILE)
 
     def test_ordered_active_nics(self):
 
@@ -119,30 +120,126 @@ class TestUtils(base.TestCase):
 
     def test_update_sriov_pf_map_new(self):
         utils.update_sriov_pf_map('eth1', 10, False)
-        contents = utils.get_file_data(utils._SRIOV_PF_CONFIG_FILE)
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
         sriov_pf_map = yaml.load(contents) if contents else []
         self.assertEqual(1, len(sriov_pf_map))
-        test_sriov_pf_map = [{'name': 'eth1', 'numvfs': 10}]
+        test_sriov_pf_map = [{'device_type': 'pf', 'name': 'eth1',
+                              'numvfs': 10}]
+        self.assertListEqual(test_sriov_pf_map, sriov_pf_map)
+
+    def test_update_sriov_pf_map_new_with_promisc(self):
+        utils.update_sriov_pf_map('eth1', 10, False, promisc='off')
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
+        sriov_pf_map = yaml.load(contents) if contents else []
+        self.assertEqual(1, len(sriov_pf_map))
+        test_sriov_pf_map = [{'device_type': 'pf', 'name': 'eth1',
+                              'numvfs': 10, 'promisc': 'off'}]
         self.assertListEqual(test_sriov_pf_map, sriov_pf_map)
 
     def test_update_sriov_pf_map_exist(self):
-        pf_initial = [{'name': 'eth1', 'numvfs': 10}]
-        utils.write_yaml_config(utils._SRIOV_PF_CONFIG_FILE, pf_initial)
+        pf_initial = [{'device_type': 'pf', 'name': 'eth1', 'numvfs': 10}]
+        utils.write_yaml_config(sriov_config._SRIOV_CONFIG_FILE, pf_initial)
 
         utils.update_sriov_pf_map('eth1', 20, False)
-        pf_final = [{'name': 'eth1', 'numvfs': 20}]
-        contents = utils.get_file_data(utils._SRIOV_PF_CONFIG_FILE)
+        pf_final = [{'device_type': 'pf', 'name': 'eth1', 'numvfs': 20}]
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
 
         pf_map = yaml.load(contents) if contents else []
         self.assertEqual(1, len(pf_map))
         self.assertListEqual(pf_final, pf_map)
 
+    def test_update_sriov_pf_map_exist_with_promisc(self):
+        pf_initial = [{'device_type': 'pf', 'name': 'eth1', 'numvfs': 10,
+                       'promisc': 'on'}]
+        utils.write_yaml_config(sriov_config._SRIOV_CONFIG_FILE, pf_initial)
+
+        utils.update_sriov_pf_map('eth1', 20, False)
+        pf_final = [{'device_type': 'pf', 'name': 'eth1', 'numvfs': 20,
+                     'promisc': 'on'}]
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
+
+        pf_map = yaml.load(contents) if contents else []
+        self.assertEqual(1, len(pf_map))
+        self.assertListEqual(pf_final, pf_map)
+
+    def test_update_sriov_vf_map_minimal_new(self):
+        utils.update_sriov_vf_map('eth1', 2, 'eth1_2')
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
+        sriov_vf_map = yaml.load(contents) if contents else []
+        self.assertEqual(1, len(sriov_vf_map))
+        test_sriov_vf_map = [{'device_type': 'vf', 'name': 'eth1_2',
+                              'device': {"name": "eth1", "vfid": 2}}]
+        self.assertListEqual(test_sriov_vf_map, sriov_vf_map)
+
+    def test_update_sriov_vf_map_complete_new(self):
+        utils.update_sriov_vf_map('eth1', 2, 'eth1_2', vlan_id=10, qos=5,
+                                  spoofcheck="on", trust="on", state="enable",
+                                  macaddr="AA:BB:CC:DD:EE:FF", promisc="off")
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
+        sriov_vf_map = yaml.load(contents) if contents else []
+        self.assertEqual(1, len(sriov_vf_map))
+        test_sriov_vf_map = [{'device_type': 'vf', 'name': 'eth1_2',
+                              'device': {'name': 'eth1', 'vfid': 2},
+                              'vlan_id': 10, 'qos': 5,
+                              'spoofcheck': 'on', 'trust': 'on',
+                              'state': 'enable',
+                              'macaddr': 'AA:BB:CC:DD:EE:FF',
+                              'promisc': 'off'}]
+        self.assertListEqual(test_sriov_vf_map, sriov_vf_map)
+
+    def test_update_sriov_vf_map_exist(self):
+        vf_initial = [{'device_type': 'vf', 'name': 'eth1_2',
+                       'device': {"name": "eth1", "vfid": 2}}]
+        utils.write_yaml_config(sriov_config._SRIOV_CONFIG_FILE, vf_initial)
+
+        utils.update_sriov_vf_map('eth1', 2, 'eth1_2', vlan_id=10, qos=5,
+                                  spoofcheck="on", trust="on", state="enable",
+                                  macaddr="AA:BB:CC:DD:EE:FF", promisc="off")
+        vf_final = [{'device_type': 'vf', 'name': 'eth1_2',
+                     'device': {'name': 'eth1', 'vfid': 2},
+                     'vlan_id': 10, 'qos': 5,
+                     'spoofcheck': 'on', 'trust': 'on',
+                     'state': 'enable',
+                     'macaddr': 'AA:BB:CC:DD:EE:FF',
+                     'promisc': 'off'}]
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
+
+        vf_map = yaml.load(contents) if contents else []
+        self.assertEqual(1, len(vf_map))
+        self.assertListEqual(vf_final, vf_map)
+
+    def test_update_sriov_vf_map_exist_complete(self):
+        vf_initial = [{'device_type': 'vf', 'name': 'eth1_2',
+                       'device': {'name': 'eth1', 'vfid': 2},
+                       'vlan_id': 10, 'qos': 5,
+                       'spoofcheck': 'on', 'trust': 'on',
+                       'state': 'enable',
+                       'macaddr': 'AA:BB:CC:DD:EE:FF',
+                       'promisc': 'off'}]
+        utils.write_yaml_config(sriov_config._SRIOV_CONFIG_FILE, vf_initial)
+
+        utils.update_sriov_vf_map('eth1', 2, 'eth1_2', vlan_id=100, qos=15,
+                                  spoofcheck="off", trust="off", state="auto",
+                                  macaddr="BB:BB:CC:DD:EE:FF", promisc="on")
+        vf_final = [{'device_type': 'vf', 'name': 'eth1_2',
+                     'device': {'name': 'eth1', 'vfid': 2},
+                     'vlan_id': 100, 'qos': 15,
+                     'spoofcheck': 'off', 'trust': 'off',
+                     'state': 'auto',
+                     'macaddr': 'BB:BB:CC:DD:EE:FF',
+                     'promisc': 'on'}]
+        contents = utils.get_file_data(sriov_config._SRIOV_CONFIG_FILE)
+
+        vf_map = yaml.load(contents) if contents else []
+        self.assertEqual(1, len(vf_map))
+        self.assertListEqual(vf_final, vf_map)
+
     def test_get_vf_devname_net_dir_not_found(self):
         tmpdir = tempfile.mkdtemp()
         self.stub_out('os_net_config.utils._SYS_CLASS_NET', tmpdir)
 
         self.assertRaises(utils.SriovVfNotFoundException,
-                          utils.get_vf_devname, "eth1", 1, False)
+                          utils.get_vf_devname, "eth1", 1)
         shutil.rmtree(tmpdir)
 
     def test_get_vf_devname_vf_dir_not_found(self):
@@ -153,7 +250,7 @@ class TestUtils(base.TestCase):
         os.makedirs(vf_path)
 
         self.assertRaises(utils.SriovVfNotFoundException,
-                          utils.get_vf_devname, "eth1", 1, False)
+                          utils.get_vf_devname, "eth1", 1)
         shutil.rmtree(tmpdir)
 
     def test_get_vf_devname_vf_dir_found(self):
@@ -164,7 +261,7 @@ class TestUtils(base.TestCase):
                                'eth1/device/virtfn1/net/eth1_1')
         os.makedirs(vf_path)
 
-        self.assertEqual(utils.get_vf_devname("eth1", 1, False), "eth1_1")
+        self.assertEqual(utils.get_vf_devname("eth1", 1), "eth1_1")
         shutil.rmtree(tmpdir)
 
     def test_get_pci_address_success(self):
diff --git a/os_net_config/utils.py b/os_net_config/utils.py
index 1613f7e3..466601b6 100644
--- a/os_net_config/utils.py
+++ b/os_net_config/utils.py
@@ -35,16 +35,9 @@ _SYS_CLASS_NET = '/sys/class/net'
 #     mac_address: 01:02:03:04:05:06
 #     driver: vfio-pci
 _DPDK_MAPPING_FILE = '/var/lib/os-net-config/dpdk_mapping.yaml'
-
-# File to contain the list of SR-IOV nics and the numvfs
-# Format of the file shall be
-#
-# - name: eth1
-#   numvfs: 5
-_SRIOV_PF_CONFIG_FILE = '/var/lib/os-net-config/sriov_pf.yaml'
-
-# sriov_numvfs service shall be configured so that the numvfs for each of the
-# SR-IOV PF device shall be configured during reboot as well
+# sriov_config service shall be created and enabled so that the various
+# SR-IOV PF and VF configurations shall be done during reboot as well using
+# sriov_config.py installed in path /usr/bin/os-net-config-sriov
 _SRIOV_CONFIG_SERVICE_FILE = "/etc/systemd/system/sriov_config.service"
 _SRIOV_CONFIG_DEVICE_CONTENT = """[Unit]
 Description=SR-IOV numvfs configuration
@@ -420,28 +413,76 @@ def _get_dpdk_mac_address(name):
             return item['mac_address']
 
 
-def update_sriov_pf_map(ifname, numvfs, noop):
+def update_sriov_pf_map(ifname, numvfs, noop, promisc=None):
     if not noop:
-        sriov_map = _get_sriov_pf_map()
+        sriov_map = _get_sriov_map()
         for item in sriov_map:
-            if item['name'] == ifname:
+            if item['device_type'] == 'pf' and item['name'] == ifname:
                 item['numvfs'] = numvfs
+                if promisc is not None:
+                    item['promisc'] = promisc
                 break
         else:
             new_item = {}
+            new_item['device_type'] = 'pf'
             new_item['name'] = ifname
             new_item['numvfs'] = numvfs
+            if promisc is not None:
+                new_item['promisc'] = promisc
             sriov_map.append(new_item)
 
-        write_yaml_config(_SRIOV_PF_CONFIG_FILE, sriov_map)
+        write_yaml_config(sriov_config._SRIOV_CONFIG_FILE, sriov_map)
 
 
-def _get_sriov_pf_map():
-    contents = get_file_data(_SRIOV_PF_CONFIG_FILE)
+def _get_sriov_map():
+    contents = get_file_data(sriov_config._SRIOV_CONFIG_FILE)
     sriov_map = yaml.load(contents) if contents else []
     return sriov_map
 
 
+def _set_vf_fields(vf_name, vlan_id, qos, spoofcheck, trust, state, macaddr,
+                   promisc):
+    vf_configs = {}
+    vf_configs['name'] = vf_name
+    if vlan_id != 0:
+        vf_configs['vlan_id'] = vlan_id
+    if qos != 0:
+        vf_configs['qos'] = qos
+    if spoofcheck is not None:
+        vf_configs['spoofcheck'] = spoofcheck
+    if trust is not None:
+        vf_configs['trust'] = trust
+    if state is not None:
+        vf_configs['state'] = state
+    if macaddr is not None:
+        vf_configs['macaddr'] = macaddr
+    if promisc is not None:
+        vf_configs['promisc'] = promisc
+    return vf_configs
+
+
+def update_sriov_vf_map(pf_name, vfid, vf_name, vlan_id=0, qos=0,
+                        spoofcheck=None, trust=None, state=None, macaddr=None,
+                        promisc=None):
+    sriov_map = _get_sriov_map()
+    for item in sriov_map:
+        if (item['device_type'] == 'vf' and
+           item['device'].get('name') == pf_name and
+           item['device'].get('vfid') == vfid):
+            item.update(_set_vf_fields(vf_name, vlan_id, qos, spoofcheck,
+                                       trust, state, macaddr, promisc))
+            break
+    else:
+        new_item = {}
+        new_item['device_type'] = 'vf'
+        new_item['device'] = {"name": pf_name, "vfid": vfid}
+        new_item.update(_set_vf_fields(vf_name, vlan_id, qos, spoofcheck,
+                                       trust, state, macaddr, promisc))
+        sriov_map.append(new_item)
+
+    write_yaml_config(sriov_config._SRIOV_CONFIG_FILE, sriov_map)
+
+
 def _configure_sriov_config_service():
     """Generate the sriov_config.service
 
@@ -455,14 +496,16 @@ def _configure_sriov_config_service():
 
 def configure_sriov_pfs():
     logger.info("Configuring PFs now")
-    sriov_config.main()
+    sriov_config.configure_sriov_pf()
     _configure_sriov_config_service()
 
 
-def get_vf_devname(pf_name, vfid, noop):
-    if noop:
-        logger.info("NOOP: returning VF name as %s_%d" % (pf_name, vfid))
-        return "%s_%d" % (pf_name, vfid)
+def configure_sriov_vfs():
+    logger.info("Configuring VFs now")
+    sriov_config.configure_sriov_vf()
+
+
+def get_vf_devname(pf_name, vfid):
     vf_path = os.path.join(_SYS_CLASS_NET, pf_name, "device/virtfn%d/net"
                            % vfid)
     if os.path.isdir(vf_path):
diff --git a/requirements.txt b/requirements.txt
index dbf76d96..baebf9ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,8 +6,9 @@ anyjson>=0.3.3 # BSD
 six>=1.9.0 # MIT
 eventlet!=0.18.3,>=0.18.2 # MIT
 iso8601>=0.1.11 # MIT
-netaddr>=0.7.13 #BSD
+netaddr>=0.7.13 # BSD
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 PyYAML>=3.10.0 # MIT
 jsonschema>=2.0.0,<3.0.0  # MIT
+pyudev>=0.15