diff --git a/lib/ansible/modules/network/nxos/nxos_igmp_snooping.py b/lib/ansible/modules/network/nxos/nxos_igmp_snooping.py
index 193abcb863b..d511e683f0c 100644
--- a/lib/ansible/modules/network/nxos/nxos_igmp_snooping.py
+++ b/lib/ansible/modules/network/nxos/nxos_igmp_snooping.py
@@ -78,9 +78,6 @@ EXAMPLES = '''
 # ensure igmp snooping params supported in this module are in there default state
 - nxos_igmp_snooping:
     state: default
-    host:  inventory_hostname }}
-    username:  un }}
-    password:  pwd }}
 
 # ensure following igmp snooping params are in the desired state
 - nxos_igmp_snooping:
@@ -90,32 +87,10 @@ EXAMPLES = '''
    optimize_mcast_flood: false
    report_supp: true
    v3_report_supp: true
-   host: "{{ inventory_hostname }}"
-   username: "{{ un }}"
-   password: "{{ pwd }}"
 '''
 
 RETURN = '''
-proposed:
-    description: k/v pairs of parameters passed into module
-    returned: always
-    type: dict
-    sample: {"group_timeout": "50", "link_local_grp_supp": true,
-            "report_supp": false, "snooping": false, "v3_report_supp": false}
-existing:
-    description:
-        - k/v pairs of existing configuration
-    returned: always
-    type: dict
-    sample: {"group_timeout": "never", "link_local_grp_supp": false,
-            "report_supp": true, "snooping": true, "v3_report_supp": true}
-end_state:
-    description: k/v pairs of configuration after module execution
-    returned: always
-    type: dict
-    sample: {"group_timeout": "50", "link_local_grp_supp": true,
-            "report_supp": false, "snooping": false, "v3_report_supp": false}
-updates:
+commands:
     description: command sent to the device
     returned: always
     type: list
@@ -124,31 +99,23 @@ updates:
              "no ip igmp snooping report-suppression",
              "no ip igmp snooping v3-report-suppression",
              "no ip igmp snooping"]
-changed:
-    description: check to see if a change was made on the device
-    returned: always
-    type: boolean
-    sample: true
 '''
 
+
+import re
+
 from ansible.module_utils.nxos import get_config, load_config, run_commands
 from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 
-import re
-
 
-def execute_show_command(command, module, command_type='cli_show'):
-    if module.params['transport'] == 'cli':
-        if 'show run' not in command:
-            command += ' | json'
-        cmds = [command]
-        body = run_commands(module, cmds)
-    elif module.params['transport'] == 'nxapi':
-        cmds = [command]
-        body = run_commands(module, cmds)
+def execute_show_command(command, module):
+    command = {
+        'command': command,
+        'output': 'text',
+    }
 
-    return body
+    return run_commands(module, [command])
 
 
 def flatten_list(command_lists):
@@ -184,8 +151,7 @@ def get_snooping(config):
 def get_igmp_snooping(module):
     command = 'show run all | include igmp.snooping'
     existing = {}
-    body = execute_show_command(
-        command, module, command_type='cli_show_ascii')[0]
+    body = execute_show_command(command, module)[0]
 
     if body:
         split_body = body.splitlines()
@@ -272,12 +238,11 @@ def main():
 
     argument_spec.update(nxos_argument_spec)
 
-    module = AnsibleModule(argument_spec=argument_spec,
-                                supports_check_mode=True)
+    module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)
 
     warnings = list()
     check_args(module, warnings)
-
+    results = {'changed': False, 'commands': [], 'warnings': warnings}
 
     snooping = module.params['snooping']
     link_local_grp_supp = module.params['link_local_grp_supp']
@@ -295,7 +260,6 @@ def main():
 
     existing = get_igmp_snooping(module)
     end_state = existing
-    changed = False
 
     commands = []
     if state == 'present':
@@ -317,23 +281,13 @@ def main():
                 commands.append(command)
 
     cmds = flatten_list(commands)
-    results = {}
     if cmds:
-        if module.check_mode:
-            module.exit_json(changed=True, commands=cmds)
-        else:
-            changed = True
+        results['changed'] = True
+        if not module.check_mode:
             load_config(module, cmds)
-            end_state = get_igmp_snooping(module)
-            if 'configure' in cmds:
-                cmds.pop(0)
-
-    results['proposed'] = proposed
-    results['existing'] = existing
-    results['updates'] = cmds
-    results['changed'] = changed
-    results['warnings'] = warnings
-    results['end_state'] = end_state
+        if 'configure' in cmds:
+            cmds.pop(0)
+        results['commands'] = cmds
 
     module.exit_json(**results)
 
diff --git a/lib/ansible/modules/network/nxos/nxos_install_os.py b/lib/ansible/modules/network/nxos/nxos_install_os.py
index 4006cff1b74..badb59fcc91 100644
--- a/lib/ansible/modules/network/nxos/nxos_install_os.py
+++ b/lib/ansible/modules/network/nxos/nxos_install_os.py
@@ -66,10 +66,6 @@ EXAMPLES = '''
     - name: Install OS
       nxos_install_os:
         system_image_file: nxos.7.0.3.I2.2d.bin
-        host: "{{ inventory_hostname }}"
-        username: "{{ un }}"
-        password: "{{ pwd }}"
-        transport: nxapi
   rescue:
     - name: Wait for device to perform checks
       wait_for:
@@ -77,22 +73,16 @@ EXAMPLES = '''
         state: stopped
         timeout: 300
         delay: 60
-        host: "{{ inventory_hostname }}"
     - name: Wait for device to come back up
       wait_for:
         port: 22
         state: started
         timeout: 300
         delay: 60
-        host: "{{ inventory_hostname }}"
     - name: Check installed OS
       nxos_command:
         commands:
           - show version
-        username: "{{ un }}"
-        password: "{{ pwd }}"
-        host: "{{ inventory_hostname }}"
-        transport: nxapi
       register: output
     - assert:
         that:
@@ -119,19 +109,19 @@ install_state:
 
 
 import re
+
 from ansible.module_utils.nxos import get_config, load_config, run_commands
 from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 
 
-def execute_show_command(command, module, command_type='cli_show_ascii'):
-    cmds = [command]
-    if module.params['transport'] == 'cli':
-        body = run_commands(module, cmds)
-    elif module.params['transport'] == 'nxapi':
-        body = run_commands(module, cmds)
+def execute_show_command(command, module):
+    command = {
+        'command': command,
+        'output': 'text',
+    }
 
-    return body
+    return run_commands(module, [command])
 
 
 def get_boot_options(module):
@@ -198,7 +188,7 @@ def main():
     warnings = list()
     check_args(module, warnings)
 
-
+    install_state = module.params['install_state']
     system_image_file = module.params['system_image_file']
     kickstart_image_file = module.params['kickstart_image_file']
 
@@ -230,4 +220,3 @@ def main():
 
 if __name__ == '__main__':
     main()
-
diff --git a/lib/ansible/modules/network/nxos/nxos_ntp_auth.py b/lib/ansible/modules/network/nxos/nxos_ntp_auth.py
index 9c31a88d0c8..3eec028b56e 100644
--- a/lib/ansible/modules/network/nxos/nxos_ntp_auth.py
+++ b/lib/ansible/modules/network/nxos/nxos_ntp_auth.py
@@ -82,67 +82,37 @@ EXAMPLES = '''
     key_id: 32
     md5string: hello
     auth_type: text
-    host: "{{ inventory_hostname }}"
-    username: "{{ un }}"
-    password: "{{ pwd }}"
 '''
 
 RETURN = '''
-proposed:
-    description: k/v pairs of parameters passed into module
-    returned: always
-    type: dict
-    sample: {"auth_type": "text", "authentication": "off",
-            "key_id": "32", "md5string": "helloWorld",
-            "trusted_key": "true"}
-existing:
-    description:
-        - k/v pairs of existing ntp authentication
-    returned: always
-    type: dict
-    sample: {"authentication": "off", "trusted_key": "false"}
-end_state:
-    description: k/v pairs of ntp authentication after module execution
-    returned: always
-    type: dict
-    sample: {"authentication": "off", "key_id": "32",
-            "md5string": "kapqgWjwdg", "trusted_key": "true"}
-state:
-    description: state as sent in from the playbook
-    returned: always
-    type: string
-    sample: "present"
-updates:
+commands:
     description: command sent to the device
     returned: always
     type: list
     sample: ["ntp authentication-key 32 md5 helloWorld 0", "ntp trusted-key 32"]
-changed:
-    description: check to see if a change was made on the device
-    returned: always
-    type: boolean
-    sample: true
 '''
 
 
+import re
+
 from ansible.module_utils.nxos import get_config, load_config, run_commands
 from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 
-import re
-
 
-def execute_show_command(command, module, command_type='cli_show'):
-    if module.params['transport'] == 'cli':
-        if 'show run' not in command:
-            command += ' | json'
-        cmds = [command]
-        body = run_commands(module, cmds)
-    elif module.params['transport'] == 'nxapi':
-        cmds = [command]
-        body = run_commands(module, cmds)
+def execute_show_command(command, module):
+    if 'show run' not in command:
+        command = {
+            'command': command,
+            'output': 'json',
+        }
+    else:
+        command = {
+            'command': command,
+            'output': 'text',
+        }
 
-    return body
+    return run_commands(module, [command])
 
 
 def flatten_list(command_lists):
@@ -173,8 +143,7 @@ def get_ntp_trusted_key(module):
     trusted_key_list = []
     command = 'show run | inc ntp.trusted-key'
 
-    trusted_key_str = execute_show_command(
-        command, module, command_type='cli_show_ascii')[0]
+    trusted_key_str = execute_show_command(command, module)[0]
     if trusted_key_str:
         trusted_keys = trusted_key_str.splitlines()
 
@@ -194,10 +163,10 @@ def get_ntp_auth_key(key_id, module):
     auth_regex = (".*ntp\sauthentication-key\s(?P<key_id>\d+)\s"
                   "md5\s(?P<md5string>\S+).*")
 
-    body = execute_show_command(command, module, command_type='cli_show_ascii')
+    body = execute_show_command(command, module)[0]
 
     try:
-        match_authentication = re.match(auth_regex, body[0], re.DOTALL)
+        match_authentication = re.match(auth_regex, body, re.DOTALL)
         group_authentication = match_authentication.groupdict()
         key_id = group_authentication["key_id"]
         md5string = group_authentication['md5string']
diff --git a/lib/ansible/modules/network/nxos/nxos_snmp_community.py b/lib/ansible/modules/network/nxos/nxos_snmp_community.py
index 2923c62de45..35412df065c 100644
--- a/lib/ansible/modules/network/nxos/nxos_snmp_community.py
+++ b/lib/ansible/modules/network/nxos/nxos_snmp_community.py
@@ -67,59 +67,31 @@ EXAMPLES = '''
     community: TESTING7
     group: network-operator
     state: present
-    host: "{{ inventory_hostname }}"
-    username: "{{ un }}"
-    password: "{{ pwd }}"
 '''
 
 RETURN = '''
-proposed:
-    description: k/v pairs of parameters passed into module
-    returned: always
-    type: dict
-    sample: {"group": "network-operator"}
-existing:
-    description: k/v pairs of existing snmp community
-    returned: always
-    type: dict
-    sample:  {}
-end_state:
-    description: k/v pairs of snmp community after module execution
-    returned: always
-    type: dict
-    sample:  {"acl": "None", "group": "network-operator"}
-updates:
+commands:
     description: commands sent to the device
     returned: always
     type: list
     sample: ["snmp-server community TESTING7 group network-operator"]
-changed:
-    description: check to see if a change was made on the device
-    returned: always
-    type: boolean
-    sample: true
 '''
 
+
+import re
+
 from ansible.module_utils.nxos import get_config, load_config, run_commands
 from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 
 
-import re
-import re
-
-
-def execute_show_command(command, module, command_type='cli_show'):
-    if module.params['transport'] == 'cli':
-        if 'show run' not in command:
-            command += ' | json'
-        cmds = [command]
-        body = run_commands(module, cmds)
-    elif module.params['transport'] == 'nxapi':
-        cmds = [command]
-        body = run_commands(module, cmds)
+def execute_show_command(command, module):
+    command = {
+        'command': command,
+        'output': 'json',
+    }
 
-    return body
+    return run_commands(module, [command])
 
 
 def apply_key_map(key_map, table):
@@ -127,7 +99,6 @@ def apply_key_map(key_map, table):
     for key, value in table.items():
         new_key = key_map.get(key)
         if new_key:
-            value = table.get(key)
             if value:
                 new_dict[new_key] = str(value)
             else:
@@ -178,7 +149,7 @@ def get_snmp_community(module, find_filter=None):
             community = apply_key_map(community_map, each)
             key = each['community_name']
             community_dict[key] = community
-    except (KeyError, AttributeError):
+    except (KeyError, AttributeError, TypeError):
         return community_dict
 
     if find_filter:
@@ -222,13 +193,13 @@ def main():
     argument_spec.update(nxos_argument_spec)
 
     module = AnsibleModule(argument_spec=argument_spec,
-                                required_one_of=[['access', 'group']],
-                                mutually_exclusive=[['access', 'group']],
-                                supports_check_mode=True)
+                           required_one_of=[['access', 'group']],
+                           mutually_exclusive=[['access', 'group']],
+                           supports_check_mode=True)
 
     warnings = list()
     check_args(module, warnings)
-
+    results = {'changed': False, 'commands': [], 'warnings': warnings}
 
     access = module.params['access']
     group = module.params['group']
@@ -246,46 +217,31 @@ def main():
     configured_groups = get_snmp_groups(module)
 
     if group not in configured_groups:
-        module.fail_json(msg="group not on switch."
-                             "please add before moving forward")
+        module.fail_json(msg="Group not on switch. Please add before moving forward")
 
     existing = get_snmp_community(module, community)
     args = dict(group=group, acl=acl)
     proposed = dict((k, v) for k, v in args.items() if v is not None)
     delta = dict(set(proposed.items()).difference(existing.items()))
 
-    changed = False
-    end_state = existing
     commands = []
-
     if state == 'absent':
         if existing:
             command = "no snmp-server community {0}".format(community)
             commands.append(command)
-        cmds = flatten_list(commands)
     elif state == 'present':
         if delta:
             command = config_snmp_community(dict(delta), community)
             commands.append(command)
-        cmds = flatten_list(commands)
 
+    cmds = flatten_list(commands)
     if cmds:
-        if module.check_mode:
-            module.exit_json(changed=True, commands=cmds)
-        else:
-            changed = True
+        results['changed'] = True
+        if not module.check_mode:
             load_config(module, cmds)
-            end_state = get_snmp_community(module, community)
-            if 'configure' in cmds:
-                cmds.pop(0)
-
-    results = {}
-    results['proposed'] = proposed
-    results['existing'] = existing
-    results['end_state'] = end_state
-    results['updates'] = cmds
-    results['changed'] = changed
-    results['warnings'] = warnings
+        if 'configure' in cmds:
+            cmds.pop(0)
+        results['commands'] = cmds
 
     module.exit_json(**results)
 
diff --git a/lib/ansible/modules/network/nxos/nxos_snmp_contact.py b/lib/ansible/modules/network/nxos/nxos_snmp_contact.py
index 52568c80bcd..9b1818d8639 100644
--- a/lib/ansible/modules/network/nxos/nxos_snmp_contact.py
+++ b/lib/ansible/modules/network/nxos/nxos_snmp_contact.py
@@ -52,59 +52,31 @@ EXAMPLES = '''
 - nxos_snmp_contact:
     contact: Test
     state: present
-    host: "{{ inventory_hostname }}"
-    username: "{{ un }}"
-    password: "{{ pwd }}"
 '''
 
 RETURN = '''
-proposed:
-    description: k/v pairs of parameters passed into module
-    returned: always
-    type: dict
-    sample: {"contact": "New_Test"}
-existing:
-    description: k/v pairs of existing snmp contact
-    returned: always
-    type: dict
-    sample: {"contact": "Test"}
-end_state:
-    description: k/v pairs of snmp contact after module execution
-    returned: always
-    type: dict
-    sample: {"contact": "New_Test"}
-updates:
+commands:
     description: commands sent to the device
     returned: always
     type: list
     sample: ["snmp-server contact New_Test"]
-changed:
-    description: check to see if a change was made on the device
-    returned: always
-    type: boolean
-    sample: true
 '''
 
+
+import re
+
 from ansible.module_utils.nxos import get_config, load_config, run_commands
 from ansible.module_utils.nxos import nxos_argument_spec, check_args
 from ansible.module_utils.basic import AnsibleModule
 
 
-import re
-import re
-
-
-def execute_show_command(command, module, command_type='cli_show'):
-    if module.params['transport'] == 'cli':
-        if 'show run' not in command:
-            command += ' | json'
-        cmds = [command]
-        body = run_commands(module, cmds)
-    elif module.params['transport'] == 'nxapi':
-        cmds = [command]
-        body = run_commands(module, cmds)
+def execute_show_command(command, module):
+    command = {
+        'command': command,
+        'output': 'text',
+    }
 
-    return body
+    return run_commands(module, [command])
 
 
 def flatten_list(command_lists):
@@ -122,7 +94,7 @@ def get_snmp_contact(module):
     contact_regex = '.*snmp-server\scontact\s(?P<contact>\S+).*'
     command = 'show run snmp'
 
-    body = execute_show_command(command, module, command_type='cli_show_ascii')[0]
+    body = execute_show_command(command, module)[0]
 
     try:
         match_contact = re.match(contact_regex, body, re.DOTALL)
@@ -148,15 +120,14 @@ def main():
 
     warnings = list()
     check_args(module, warnings)
+    results = {'changed': False, 'commands': [], 'warnings': warnings}
 
 
     contact = module.params['contact']
     state = module.params['state']
 
     existing = get_snmp_contact(module)
-    changed = False
     proposed = dict(contact=contact)
-    end_state = existing
     commands = []
 
     if state == 'absent':
@@ -168,22 +139,12 @@ def main():
 
     cmds = flatten_list(commands)
     if cmds:
-        if module.check_mode:
-            module.exit_json(changed=True, commands=cmds)
-        else:
-            changed = True
+        if not module.check_mode:
             load_config(module, cmds)
-            end_state = get_snmp_contact(module)
-            if 'configure' in cmds:
-                cmds.pop(0)
-
-    results = {}
-    results['proposed'] = proposed
-    results['existing'] = existing
-    results['end_state'] = end_state
-    results['updates'] = cmds
-    results['changed'] = changed
-    results['warnings'] = warnings
+        if 'configure' in cmds:
+            cmds.pop(0)
+        results['changed'] = True
+        results['commands'] = cmds
 
     module.exit_json(**results)