diff --git a/lib/ansible/module_utils/asa.py b/lib/ansible/module_utils/asa.py
index e24f3181e8d..3d37ecfad8d 100644
--- a/lib/ansible/module_utils/asa.py
+++ b/lib/ansible/module_utils/asa.py
@@ -29,7 +29,7 @@
 
 import re
 
-from ansible.module_utils.network import NetworkModule, NetworkError
+from ansible.module_utils.network import NetworkError, NetworkModule
 from ansible.module_utils.network import add_argument, register_transport, to_list
 from ansible.module_utils.shell import CliBase
 from ansible.module_utils.netcli import Command
@@ -72,11 +72,6 @@ class Cli(CliBase):
         cmd = Command('enable', prompt=self.NET_PASSWD_RE, response=passwd)
         self.execute([cmd, 'no terminal pager'])
 
-    ### Cli methods ###
-
-    def run_commands(self, commands):
-        return self.execute(to_list(commands))
-
     def change_context(self, params, **kwargs):
         context = params['context']
         if context == 'system':
diff --git a/lib/ansible/module_utils/eos.py b/lib/ansible/module_utils/eos.py
index 1a79b948a89..e0a6eff44a0 100644
--- a/lib/ansible/module_utils/eos.py
+++ b/lib/ansible/module_utils/eos.py
@@ -28,11 +28,9 @@
 
 import re
 
-from ansible.module_utils.basic import json, get_exception
-from ansible.module_utils.network import NetworkModule, NetworkError, ModuleStub
+from ansible.module_utils.basic import json
+from ansible.module_utils.network import ModuleStub, NetworkError, NetworkModule
 from ansible.module_utils.network import add_argument, register_transport, to_list
-from ansible.module_utils.netcfg import NetworkConfig
-from ansible.module_utils.netcli import Command
 from ansible.module_utils.shell import CliBase
 from ansible.module_utils.urls import fetch_url, url_argument_spec
 
@@ -41,9 +39,10 @@ EAPI_FORMATS = ['json', 'text']
 add_argument('use_ssl', dict(default=True, type='bool'))
 add_argument('validate_certs', dict(default=True, type='bool'))
 
+
 class EosConfigMixin(object):
 
-    ### implementation of netcfg.Config ###
+    ### Config methods ###
 
     def configure(self, commands, **kwargs):
         cmds = ['configure terminal']
@@ -93,8 +92,6 @@ class EosConfigMixin(object):
     def save_config(self):
         self.execute(['copy running-config startup-config'])
 
-    ### end netcfg.Config ###
-
     def diff_config(self, session):
         commands = ['configure session %s' % session,
                     'show session-config diffs',
@@ -166,24 +163,32 @@ class Eapi(EosConfigMixin):
         else:
             self.enable = 'enable'
 
+    ### Command methods ###
+
+    def execute(self, commands, output='json', **kwargs):
+        """Send commands to the device.
+        """
+        if self.url is None:
+            raise NetworkError('Not connected to endpoint.')
 
-    ### implementation of network.Cli ###
+        if self.enable is not None:
+            commands.insert(0, self.enable)
 
-    def run_commands(self, commands):
+    def run_commands(self, commands, **kwargs):
         output = None
         cmds = list()
         responses = list()
 
         for cmd in commands:
             if output and output != cmd.output:
-                responses.extend(self.execute(cmds, format=output))
+                responses.extend(self.execute(cmds, output=output))
                 cmds = list()
 
             output = cmd.output
             cmds.append(str(cmd))
 
         if cmds:
-            responses.extend(self.execute(cmds, format=output))
+            responses.extend(self.execute(cmds, output=output))
 
         for index, cmd in enumerate(commands):
             if cmd.output == 'text':
@@ -191,15 +196,6 @@ class Eapi(EosConfigMixin):
 
         return responses
 
-    def execute(self, commands, format='json', **kwargs):
-        """Send commands to the device.
-        """
-        if self.url is None:
-            raise NetworkError('Not connected to endpoint.')
-
-        if self.enable is not None:
-            commands.insert(0, self.enable)
-
         data = self._get_body(commands, format)
         data = json.dumps(data)
 
@@ -230,8 +226,10 @@ class Eapi(EosConfigMixin):
 
         return response['result']
 
+    ### Config methods ###
+
     def get_config(self, **kwargs):
-        return self.execute(['show running-config'], format='text')[0]['output']
+        return self.execute(['show running-config'], output='text')[0]['output']
 
 Eapi = register_transport('eapi')(Eapi)
 
@@ -265,7 +263,7 @@ class Cli(EosConfigMixin, CliBase):
         passwd = params['auth_pass']
         self.execute(Command('enable', prompt=self.NET_PASSWD_RE, response=passwd))
 
-    ### implementation of network.Cli ###
+    ### Command methods ###
 
     def run_commands(self, commands):
         """execute the ordered set of commands on the remote host
@@ -300,6 +298,7 @@ def prepare_config(commands):
     commands.append('end')
     return commands
 
+
 def prepare_commands(commands):
     """ transforms a list of Command objects to dict
 
diff --git a/lib/ansible/module_utils/ios.py b/lib/ansible/module_utils/ios.py
index 38ba1dab012..537efe0ef57 100644
--- a/lib/ansible/module_utils/ios.py
+++ b/lib/ansible/module_utils/ios.py
@@ -18,78 +18,19 @@
 #
 
 import re
-import urlparse
 
 from ansible.module_utils.basic import json
-from ansible.module_utils.network import NetworkModule, NetworkError, ModuleStub
+from ansible.module_utils.netcli import Command
+from ansible.module_utils.network import ModuleStub, NetworkError, NetworkModule
 from ansible.module_utils.network import add_argument, register_transport, to_list
 from ansible.module_utils.shell import CliBase
-from ansible.module_utils.netcli import Command
+from ansible.module_utils.six.moves.urllib.parse import urlparse
 from ansible.module_utils.urls import fetch_url, url_argument_spec
 
 add_argument('use_ssl', dict(default=True, type='bool'))
 add_argument('validate_certs', dict(default=True, type='bool'))
 
 
-class Cli(CliBase):
-
-    NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
-
-    CLI_PROMPTS_RE = [
-        re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
-        re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
-    ]
-
-    CLI_ERRORS_RE = [
-        re.compile(r"% ?Error"),
-        re.compile(r"% ?Bad secret"),
-        re.compile(r"invalid input", re.I),
-        re.compile(r"(?:incomplete|ambiguous) command", re.I),
-        re.compile(r"connection timed out", re.I),
-        re.compile(r"[^\r\n]+ not found", re.I),
-        re.compile(r"'[^']' +returned error code: ?\d+"),
-    ]
-
-    def connect(self, params, **kwargs):
-        super(Cli, self).connect(params, kickstart=False, **kwargs)
-        self.shell.send('terminal length 0')
-        self._connected = True
-
-    def authorize(self, params, **kwargs):
-        passwd = params['auth_pass']
-        cmd = Command('enable', prompt=self.NET_PASSWD_RE, response=passwd)
-        self.execute([cmd])
-
-    ### implementation of netcli.Cli ###
-
-    def run_commands(self, commands):
-        return self.execute(to_list(commands))
-
-    ### implementation of netcfg.Config ###
-
-    def configure(self, commands):
-        cmds = ['configure terminal']
-        cmds.extend(to_list(commands))
-        if cmds[-1] != 'end':
-            cmds.append('end')
-        responses = self.execute(cmds)
-        return responses[1:]
-
-    def get_config(self, include_defaults=False, **kwargs):
-        cmd = 'show running-config'
-        if include_defaults:
-            cmd += ' all'
-        return self.run_commands(cmd)[0]
-
-    def load_config(self, commands, **kwargs):
-        return self.configure(commands)
-
-    def save_config(self):
-        self.execute(['copy running-config startup-config'])
-
-Cli = register_transport('cli', default=True)(Cli)
-
-
 class Restconf(object):
 
     DEFAULT_HEADERS = {
@@ -99,7 +40,6 @@ class Restconf(object):
 
     def __init__(self):
         self.url = None
-
         self.url_args = ModuleStub(url_argument_spec(), self._error)
 
         self.token = None
@@ -115,6 +55,7 @@ class Restconf(object):
         host = params['host']
         port = params['port'] or 55443
 
+        # sets the module_utils/urls.py req parameters
         self.url_args.params['url_username'] = params['username']
         self.url_args.params['url_password'] = params['password']
         self.url_args.params['validate_certs'] = params['validate_certs']
@@ -127,13 +68,13 @@ class Restconf(object):
         self.link = response['link']
         self._connected = True
 
-    def disconnect(self):
+    def disconnect(self, **kwargs):
         self.delete(self.link)
+        self.url = None
         self._connected = False
 
-    def authorize(self):
-        pass
-
+    def authorize(self, params, **kwargs):
+        raise NotImplementedError
 
     ### REST methods ###
 
@@ -178,10 +119,9 @@ class Restconf(object):
     def delete(self, path, data=None, headers=None):
         return self.request('DELETE', path, data, headers)
 
+    ### Command methods ###
 
-    ### implementation of netcli.Cli ###
-
-    def run_commands(self, commands):
+    def run_commands(self, commands, **kwargs):
         responses = list()
         commands = [str(c) for c in commands]
         for cmd in commands:
@@ -190,13 +130,12 @@ class Restconf(object):
             responses.append(self.execute(str(cmd)))
         return responses
 
-    def execute(self, command):
+    def execute(self, command, **kwargs):
         data = dict(show=command)
         response = self.put('global/cli', data=data)
         return response['results']
 
-
-    ### implementation of netcfg.Config ###
+    ### Config methods ###
 
     def configure(self, commands):
         config = list()
@@ -216,3 +155,55 @@ class Restconf(object):
         self.put('/api/v1/global/save-config')
 
 Restconf = register_transport('restconf')(Restconf)
+
+
+class Cli(CliBase):
+
+    CLI_PROMPTS_RE = [
+        re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
+        re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
+    ]
+
+    CLI_ERRORS_RE = [
+        re.compile(r"% ?Error"),
+        re.compile(r"% ?Bad secret"),
+        re.compile(r"invalid input", re.I),
+        re.compile(r"(?:incomplete|ambiguous) command", re.I),
+        re.compile(r"connection timed out", re.I),
+        re.compile(r"[^\r\n]+ not found", re.I),
+        re.compile(r"'[^']' +returned error code: ?\d+"),
+    ]
+
+    NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
+
+    def connect(self, params, **kwargs):
+        super(Cli, self).connect(params, kickstart=False, **kwargs)
+        self.shell.send('terminal length 0')
+
+    def authorize(self, params, **kwargs):
+        passwd = params['auth_pass']
+        self.execute(Command('enable', prompt=self.NET_PASSWD_RE, response=passwd))
+
+    ### Config methods ###
+
+    def configure(self, commands, **kwargs):
+        cmds = ['configure terminal']
+        cmds.extend(to_list(commands))
+        if cmds[-1] != 'end':
+            cmds.append('end')
+        responses = self.execute(cmds)
+        return responses[1:]
+
+    def get_config(self, include_defaults=False, **kwargs):
+        cmd = 'show running-config'
+        if include_defaults:
+            cmd += ' all'
+        return self.execute([cmd])[0]
+
+    def load_config(self, commands, **kwargs):
+        return self.configure(commands)
+
+    def save_config(self):
+        self.execute(['copy running-config startup-config'])
+
+Cli = register_transport('cli', default=True)(Cli)
diff --git a/lib/ansible/module_utils/iosxr.py b/lib/ansible/module_utils/iosxr.py
index b4910208f22..076c9233652 100644
--- a/lib/ansible/module_utils/iosxr.py
+++ b/lib/ansible/module_utils/iosxr.py
@@ -28,10 +28,10 @@
 
 import re
 
-from ansible.module_utils.network import NetworkModule, NetworkError
-from ansible.module_utils.network import Command
-from ansible.module_utils.shell import CliBase
+from ansible.module_utils.netcli import Command
+from ansible.module_utils.network import NetworkError, NetworkModule
 from ansible.module_utils.network import register_transport, to_list
+from ansible.module_utils.shell import CliBase
 
 
 class Cli(CliBase):
@@ -55,17 +55,9 @@ class Cli(CliBase):
 
     def connect(self, params, **kwargs):
         super(Cli, self).connect(params, kickstart=False, **kwargs)
-        self.shell.send(['terminal length 0',
-                         'terminal exec prompt no-timestamp'])
-
-    ### implementation of netcli.Cli ###
-
-    def run_commands(self, commands):
-        cmds = to_list(commands)
-        responses = self.execute(cmds)
-        return responses
+        self.shell.send(['terminal length 0', 'terminal exec prompt no-timestamp'])
 
-    ### implementation of netcfg.Config ###
+    ### Config methods ###
 
     def configure(self, commands, **kwargs):
         cmds = ['configure terminal']
diff --git a/lib/ansible/module_utils/junos.py b/lib/ansible/module_utils/junos.py
index 75829e4e615..786e415c48f 100644
--- a/lib/ansible/module_utils/junos.py
+++ b/lib/ansible/module_utils/junos.py
@@ -19,10 +19,11 @@
 import re
 import shlex
 
+import re
 from distutils.version import LooseVersion
 
 from ansible.module_utils.pycompat24 import get_exception
-from ansible.module_utils.network import NetworkModule, NetworkError
+from ansible.module_utils.network import NetworkError, NetworkModule
 from ansible.module_utils.network import register_transport, to_list
 from ansible.module_utils.shell import CliBase
 from ansible.module_utils.six import string_types
@@ -307,4 +308,3 @@ def rpc_args(args):
         else:
             kwargs[key] = str(value)
     return (name, kwargs)
-
diff --git a/lib/ansible/module_utils/netcfg.py b/lib/ansible/module_utils/netcfg.py
index 22c5f74e5c1..e10a4a02c45 100644
--- a/lib/ansible/module_utils/netcfg.py
+++ b/lib/ansible/module_utils/netcfg.py
@@ -28,12 +28,9 @@
 
 import itertools
 import re
-import shlex
-import time
 
-from ansible.module_utils.basic import BOOLEANS_TRUE, BOOLEANS_FALSE
 from ansible.module_utils.six import string_types
-from ansible.module_utils.six.moves import zip_longest
+from ansible.module_utils.six.moves import zip, zip_longest
 
 DEFAULT_COMMENT_TOKENS = ['#', '!', '/*', '*/']
 
@@ -46,6 +43,7 @@ def to_list(val):
     else:
         return list()
 
+
 class Config(object):
 
     def __init__(self, connection):
@@ -299,7 +297,7 @@ class NetworkConfig(object):
         if len(other.items) != len(self.items):
             diff.extend(self.items)
         else:
-            for ours, theirs in itertools.izip(self.items, other.items):
+            for ours, theirs in zip(self.items, other.items):
                 if ours != theirs:
                     diff.extend(self.items)
                     break
@@ -406,5 +404,3 @@ class NetworkConfig(object):
                     item.parents = ancestors
                     ancestors[-1].children.append(item)
                     self.items.append(item)
-
-
diff --git a/lib/ansible/module_utils/netcli.py b/lib/ansible/module_utils/netcli.py
index fb8c9eb150f..fe321263093 100644
--- a/lib/ansible/module_utils/netcli.py
+++ b/lib/ansible/module_utils/netcli.py
@@ -298,4 +298,3 @@ class Conditional(object):
     def matches(self, value):
         match = re.search(value, self.value, re.M)
         return match is not None
-
diff --git a/lib/ansible/module_utils/nxos.py b/lib/ansible/module_utils/nxos.py
index dde97cad3a3..31fc098c367 100644
--- a/lib/ansible/module_utils/nxos.py
+++ b/lib/ansible/module_utils/nxos.py
@@ -20,12 +20,10 @@
 import re
 import collections
 
-from ansible.module_utils.basic import json, get_exception
-from ansible.module_utils.network import NetworkModule, NetworkError, ModuleStub
+from ansible.module_utils.basic import json
+from ansible.module_utils.network import ModuleStub, NetworkError, NetworkModule
 from ansible.module_utils.network import add_argument, register_transport, to_list
 from ansible.module_utils.shell import CliBase
-from ansible.module_utils.netcfg import NetworkConfig
-from ansible.module_utils.netcli import Command
 from ansible.module_utils.urls import fetch_url, url_argument_spec
 
 add_argument('use_ssl', dict(default=False, type='bool'))
@@ -102,6 +100,8 @@ class Nxapi(object):
         self._nxapi_auth = None
         self._connected = False
 
+    ### Command methods ###
+
     def execute(self, commands, output=None, **kwargs):
         commands = collections.deque(commands)
         output = output or self.default_output
@@ -153,9 +153,7 @@ class Nxapi(object):
 
         return result
 
-    ### implemention of netcli.Cli ###
-
-    def run_commands(self, commands):
+    def run_commands(self, commands, **kwargs):
         output = None
         cmds = list()
         responses = list()
@@ -164,6 +162,7 @@ class Nxapi(object):
             if output and output != cmd.output:
                 responses.extend(self.execute(cmds, output=output))
                 cmds = list()
+
             output = cmd.output
             cmds.append(str(cmd))
 
@@ -173,13 +172,13 @@ class Nxapi(object):
         return responses
 
 
-    ### implemention of netcfg.Config ###
+    ### Config methods ###
 
     def configure(self, commands):
         commands = to_list(commands)
         return self.execute(commands, output='config')
 
-    def get_config(self, include_defaults=False):
+    def get_config(self, include_defaults=False, **kwargs):
         cmd = 'show running-config'
         if include_defaults:
             cmd += ' all'
@@ -191,8 +190,6 @@ class Nxapi(object):
     def save_config(self, **kwargs):
         self.execute(['copy running-config startup-config'])
 
-    ### end netcfg.Config ###
-
     def _jsonify(self, data):
         for encoding in ("utf-8", "latin-1"):
             try:
@@ -213,8 +210,6 @@ Nxapi = register_transport('nxapi')(Nxapi)
 
 class Cli(CliBase):
 
-    NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
-
     CLI_PROMPTS_RE = [
         re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*[>|#|%](?:\s*)$'),
         re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*\(.+\)#(?:\s*)$')
@@ -233,11 +228,13 @@ class Cli(CliBase):
         re.compile(r"unknown command")
     ]
 
+    NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
+
     def connect(self, params, **kwargs):
         super(Cli, self).connect(params, kickstart=False, **kwargs)
         self.shell.send('terminal length 0')
 
-    ### implementation of netcli.Cli ###
+    ### Command methods ###
 
     def run_commands(self, commands):
         cmds = list(prepare_commands(commands))
@@ -253,7 +250,7 @@ class Cli(CliBase):
                     )
         return responses
 
-    ### implemented by netcfg.Config ###
+    ### Config methods ###
 
     def configure(self, commands, **kwargs):
         commands = prepare_config(commands)
diff --git a/lib/ansible/module_utils/openswitch.py b/lib/ansible/module_utils/openswitch.py
index 25209f42920..e156daa5e7d 100644
--- a/lib/ansible/module_utils/openswitch.py
+++ b/lib/ansible/module_utils/openswitch.py
@@ -29,7 +29,7 @@ except ImportError:
     HAS_OPS = False
 
 from ansible.module_utils.basic import json, json_dict_bytes_to_unicode
-from ansible.module_utils.network import NetworkModule, ModuleStub, NetworkError
+from ansible.module_utils.network import ModuleStub, NetworkError, NetworkModule
 from ansible.module_utils.network import add_argument, register_transport, to_list
 from ansible.module_utils.shell import CliBase
 from ansible.module_utils.urls import fetch_url, url_argument_spec
@@ -78,12 +78,19 @@ class Response(object):
 
 class Rest(object):
 
+    DEFAULT_HEADERS = {
+        'Content-Type': 'application/json',
+        'Accept': 'application/json'
+    }
+
     def __init__(self):
         self.url = None
         self.url_args = ModuleStub(url_argument_spec(), self._error)
-        self.headers = dict({'Content-Type': 'application/json', 'Accept': 'application/json'})
-        self.default_output = 'json'
+
+        self.headers = self.DEFAULT_HEADERS
+
         self._connected = False
+        self.default_output = 'json'
 
     def _error(self, msg):
         raise NetworkError(msg, url=self.url)
@@ -107,7 +114,7 @@ class Rest(object):
                 port = 80
 
         baseurl = '%s://%s:%s' % (proto, host, port)
-        headers = dict({'Content-Type': 'application/x-www-form-urlencoded'})
+        headers = {'Content-Type': 'application/x-www-form-urlencoded'}
         # Get a cookie and save it the rest of the operations.
         url = '%s/%s' % (baseurl, 'login')
         data = 'username=%s&password=%s' % (params['username'], params['password'])
@@ -124,6 +131,8 @@ class Rest(object):
     def authorize(self, params, **kwargs):
         raise NotImplementedError
 
+    ### REST methods ###
+
     def _url_builder(self, path):
         if path[0] == '/':
             path = path[1:]
@@ -153,9 +162,13 @@ class Rest(object):
     def delete(self, path, data=None, headers=None):
         return self.request('DELETE', path, data, headers)
 
+    ### Command methods ###
+
     def run_commands(self, commands):
         raise NotImplementedError
 
+    ### Config methods ###
+
     def configure(self, commands):
         path = '/system/full-configuration'
         return self.put(path, data=commands)
@@ -190,8 +203,6 @@ Rest = register_transport('rest')(Rest)
 
 class Cli(CliBase):
 
-    NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
-
     CLI_PROMPTS_RE = [
         re.compile(r"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
         re.compile(r"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$")
@@ -207,12 +218,9 @@ class Cli(CliBase):
         re.compile(r"'[^']' +returned error code: ?\d+"),
     ]
 
-    ### implementation of netcli.Cli
-
-    def run_commands(self, commands):
-        return self.execute(to_list(commands))
+    NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
 
-    ### implementation of netcfg.Config
+    ### Config methods ###
 
     def configure(self, commands, **kwargs):
         cmds = ['configure terminal']
@@ -225,7 +233,7 @@ class Cli(CliBase):
     def get_config(self):
         return self.execute('show running-config')[0]
 
-    def load_config(self, commands):
+    def load_config(self, commands, **kwargs):
         return self.configure(commands)
 
     def save_config(self):