diff --git a/lib/ansible/modules/network/eos/eos_logging.py b/lib/ansible/modules/network/eos/eos_logging.py
index 1aaa6c9240c..453ab3ea797 100644
--- a/lib/ansible/modules/network/eos/eos_logging.py
+++ b/lib/ansible/modules/network/eos/eos_logging.py
@@ -55,10 +55,6 @@ options:
               'warnings', 'notifications', 'informational', 'debugging']
   aggregate:
     description: List of logging definitions.
-  purge:
-    description:
-      - Purge logging not defined in the aggregate parameter.
-    default: no
   state:
     description:
       - State of the logging configuration.
@@ -72,24 +68,35 @@ EXAMPLES = """
     dest: host
     name: 172.16.0.1
     state: present
+
 - name: remove host logging configuration
   eos_logging:
     dest: host
     name: 172.16.0.1
     state: absent
+
 - name: configure console logging level and facility
   eos_logging:
     dest: console
     facility: local7
     level: debugging
     state: present
+
 - name: enable logging to all
   eos_logging:
     dest : on
+
 - name: configure buffer size
   eos_logging:
     dest: buffered
     size: 5000
+
+- name: Configure logging using aggregate
+  eos_logging:
+    aggregate:
+      - { dest: console, level: warnings }
+      - { dest: buffered, size: 480000 }
+    state: present
 """
 
 RETURN = """
@@ -104,7 +111,10 @@ commands:
 
 import re
 
+from copy import deepcopy
+
 from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.network_common import remove_default_spec
 from ansible.module_utils.eos import get_config, load_config
 from ansible.module_utils.eos import eos_argument_spec, check_args
 
@@ -268,30 +278,21 @@ def parse_obj(obj, module):
     return obj
 
 
-def map_params_to_obj(module):
+def map_params_to_obj(module, required_if=None):
     obj = []
+    aggregate = module.params.get('aggregate')
+    if aggregate:
+        for item in aggregate:
+            for key in item:
+                if item.get(key) is None:
+                    item[key] = module.params[key]
 
-    if 'aggregate' in module.params and module.params['aggregate']:
-        args = {'dest': '',
-                'name': '',
-                'size': '',
-                'facility': '',
-                'level': '',
-                }
-
-        for c in module.params['aggregate']:
-            d = c.copy()
-
-            for key in args:
-                if key not in d:
-                    d[key] = None
+            module._check_required_if(required_if, item)
+            d = item.copy()
 
             if d['dest'] != 'host':
                 d['name'] = None
 
-            if 'state' not in d:
-                d['state'] = module.params['state']
-
             if d['dest'] == 'buffered':
                 if 'size' in d:
                     d['size'] = str(validate_size(d['size'], module))
@@ -323,17 +324,25 @@ def map_params_to_obj(module):
 def main():
     """ main entry point for module execution
     """
-    argument_spec = dict(
+    element_spec = dict(
         dest=dict(choices=DEST_GROUP),
         name=dict(),
         size=dict(type='int'),
         facility=dict(),
         level=dict(choices=LEVEL_GROUP),
         state=dict(default='present', choices=['present', 'absent']),
-        aggregate=dict(type='list'),
-        purge=dict(default=False, type='bool')
     )
 
+    aggregate_spec = deepcopy(element_spec)
+
+    # remove default in aggregate spec, to handle common arguments
+    remove_default_spec(aggregate_spec)
+
+    argument_spec = dict(
+        aggregate=dict(type='list', elements='dict', options=aggregate_spec),
+    )
+
+    argument_spec.update(element_spec)
     argument_spec.update(eos_argument_spec)
 
     required_if = [('dest', 'host', ['name'])]
@@ -349,7 +358,7 @@ def main():
     if warnings:
         result['warnings'] = warnings
 
-    want = map_params_to_obj(module)
+    want = map_params_to_obj(module, required_if=required_if)
     have = map_config_to_obj(module)
 
     commands = map_obj_to_commands((want, have), module)
diff --git a/lib/ansible/modules/network/eos/eos_user.py b/lib/ansible/modules/network/eos/eos_user.py
index 38248a997af..9ac693605cd 100644
--- a/lib/ansible/modules/network/eos/eos_user.py
+++ b/lib/ansible/modules/network/eos/eos_user.py
@@ -149,9 +149,11 @@ session_name:
 
 import re
 
+from copy import deepcopy
 from functools import partial
 
 from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.network_common import remove_default_spec
 from ansible.module_utils.eos import get_config, load_config
 from ansible.module_utils.six import iteritems
 from ansible.module_utils.eos import eos_argument_spec, check_args
@@ -315,8 +317,7 @@ def update_objects(want, have):
 def main():
     """ main entry point for module execution
     """
-    argument_spec = dict(
-        aggregate=dict(type='list', aliases=['collection', 'users']),
+    element_spec = dict(
         name=dict(),
 
         configured_password=dict(no_log=True),
@@ -328,10 +329,20 @@ def main():
 
         sshkey=dict(),
 
-        purge=dict(type='bool', default=False),
         state=dict(default='present', choices=['present', 'absent'])
     )
 
+    aggregate_spec = deepcopy(element_spec)
+
+    # remove default in aggregate spec, to handle common arguments
+    remove_default_spec(aggregate_spec)
+
+    argument_spec = dict(
+        aggregate=dict(type='list', elements='dict', options=aggregate_spec, aliases=['collection', 'users']),
+        purge=dict(type='bool', default=False)
+    )
+
+    argument_spec.update(element_spec)
     argument_spec.update(eos_argument_spec)
     mutually_exclusive = [('name', 'aggregate')]
 
diff --git a/lib/ansible/modules/network/eos/eos_vlan.py b/lib/ansible/modules/network/eos/eos_vlan.py
index 9e4b75ad7e1..7803cd4786c 100644
--- a/lib/ansible/modules/network/eos/eos_vlan.py
+++ b/lib/ansible/modules/network/eos/eos_vlan.py
@@ -62,6 +62,35 @@ options:
 """
 
 EXAMPLES = """
+- name: Create vlan
+  eos_vlan:
+    vlan_id: 4000
+    name: vlan-4000
+    state: present
+
+- name: Add interfaces to vlan
+  eos_vlan:
+    vlan_id: 4000
+    state: present
+    interfaces:
+      - Ethernet1
+      - Ethernet2
+
+- name: Suspend vlan
+  eos_vlan:
+    vlan_id: 4000
+    state: suspend
+
+- name: Unsuspend vlan
+  eos_vlan:
+    vlan_id: 4000
+    state: active
+
+- name: Create aggregate of vlans
+  eos_vlan:
+    aggregate:
+      - vlan_id: 4000
+      - {vlan_id: 4001, name: vlan-4001}
 """
 
 RETURN = """
@@ -73,13 +102,15 @@ commands:
     - vlan 20
     - name test-vlan
 """
+import re
+import time
+
+from copy import deepcopy
+
 from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.network_common import remove_default_spec
 from ansible.module_utils.eos import load_config, run_commands
 from ansible.module_utils.eos import eos_argument_spec, check_args
-from ansible.module_utils.six import iteritems
-
-import re
-import time
 
 
 def search_obj_in_list(vlan_id, lst):
@@ -187,34 +218,23 @@ def map_config_to_obj(module):
 
 def map_params_to_obj(module):
     obj = []
-
-    if 'aggregate' in module.params and module.params['aggregate']:
-        for v in module.params['aggregate']:
-            d = v.copy()
-
+    aggregate = module.params.get('aggregate')
+    if aggregate:
+        for item in aggregate:
+            for key in item:
+                if item.get(key) is None:
+                    item[key] = module.params[key]
+
+            d = item.copy()
             d['vlan_id'] = str(d['vlan_id'])
 
-            if 'state' not in d:
-                d['state'] = module.params['state']
-
-            if 'name' not in d:
-                d['name'] = None
-
-            if 'interfaces' not in d:
-                d['interfaces'] = []
-
             obj.append(d)
     else:
-        vlan_id = str(module.params['vlan_id'])
-        name = module.params['name']
-        state = module.params['state']
-        interfaces = module.params['interfaces']
-
         obj.append({
-            'vlan_id': vlan_id,
-            'name': name,
-            'state': state,
-            'interfaces': interfaces
+            'vlan_id': str(module.params['vlan_id']),
+            'name': module.params['name'],
+            'state': module.params['state'],
+            'interfaces': module.params['interfaces']
         })
 
     return obj
@@ -236,23 +256,35 @@ def check_declarative_intent_params(want, module):
 def main():
     """ main entry point for module execution
     """
-    argument_spec = dict(
+    element_spec = dict(
         vlan_id=dict(type='int'),
         name=dict(),
         interfaces=dict(type='list'),
         delay=dict(default=10, type='int'),
-        aggregate=dict(type='list'),
-        purge=dict(default=False, type='bool'),
         state=dict(default='present',
                    choices=['present', 'absent', 'active', 'suspend'])
     )
 
+    aggregate_spec = deepcopy(element_spec)
+    aggregate_spec['vlan_id'] = dict(required=True)
+
+    # remove default in aggregate spec, to handle common arguments
+    remove_default_spec(aggregate_spec)
+
+    argument_spec = dict(
+        aggregate=dict(type='list', elements='dict', options=aggregate_spec),
+        purge=dict(default=False, type='bool')
+    )
+
+    argument_spec.update(element_spec)
     argument_spec.update(eos_argument_spec)
 
     required_one_of = [['vlan_id', 'aggregate']]
     mutually_exclusive = [['vlan_id', 'aggregate']]
     module = AnsibleModule(argument_spec=argument_spec,
-                           supports_check_mode=True)
+                           supports_check_mode=True,
+                           required_one_of=required_one_of,
+                           mutually_exclusive=mutually_exclusive)
 
     warnings = list()
     check_args(module, warnings)
diff --git a/lib/ansible/modules/network/eos/eos_vrf.py b/lib/ansible/modules/network/eos/eos_vrf.py
index 1986c49a7cc..46eaf758be7 100644
--- a/lib/ansible/modules/network/eos/eos_vrf.py
+++ b/lib/ansible/modules/network/eos/eos_vrf.py
@@ -59,6 +59,35 @@ options:
 """
 
 EXAMPLES = """
+- name: Create vrf
+  eos_vrf:
+    name: test
+    rd: 1:200
+    interfaces:
+      - Ethernet2
+    state: present
+
+- name: Delete VRFs
+  eos_vrf:
+    name: test
+    state: absent
+
+- name: Create aggregate of VRFs with purge
+  eos_vrf:
+    aggregate:
+      - { name: test4, rd: "1:204" }
+      - { name: test5, rd: "1:205" }
+    state: present
+    purge: yes
+
+- name: Delete aggregate of VRFs
+  eos_vrf:
+    aggregate:
+      - name: test2
+      - name: test3
+      - name: test4
+      - name: test5
+    state: absent
 """
 
 RETURN = """
@@ -72,13 +101,15 @@ commands:
     - interface Ethernet1
     - vrf forwarding test
 """
+import re
+import time
+
+from copy import deepcopy
+
 from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.network_common import remove_default_spec
 from ansible.module_utils.eos import load_config, run_commands
 from ansible.module_utils.eos import eos_argument_spec, check_args
-from ansible.module_utils.six import iteritems
-
-import re
-import time
 
 
 def search_obj_in_list(name, lst):
@@ -172,25 +203,14 @@ def map_config_to_obj(module):
 
 def map_params_to_obj(module):
     obj = []
-
-    if 'aggregate' in module.params and module.params['aggregate']:
-        for c in module.params['aggregate']:
-            d = c.copy()
-
-            if 'state' not in d:
-                d['state'] = module.params['state']
-            if 'rd' not in d:
-                d['rd'] = module.params['rd']
-            if 'interfaces' not in d:
-                d['interfaces'] = module.params['interfaces']
-
-            obj.append(d)
+    aggregate = module.params.get('aggregate')
+    if aggregate:
+        for item in aggregate:
+            for key in item:
+                if item.get(key) is None:
+                    item[key] = module.params[key]
+            obj.append(item.copy())
     else:
-        name = module.params['name'],
-        state = module.params['state'],
-        rd = module.params['rd'],
-        interfaces = module.params['interfaces']
-
         obj.append({
             'name': module.params['name'],
             'state': module.params['state'],
@@ -217,16 +237,25 @@ def check_declarative_intent_params(want, module):
 def main():
     """ main entry point for module execution
     """
-    argument_spec = dict(
+    element_spec = dict(
         name=dict(),
         interfaces=dict(type='list'),
         delay=dict(default=10, type='int'),
         rd=dict(),
-        aggregate=dict(type='list'),
-        purge=dict(default=False, type='bool'),
         state=dict(default='present', choices=['present', 'absent'])
     )
 
+    aggregate_spec = deepcopy(element_spec)
+
+    # remove default in aggregate spec, to handle common arguments
+    remove_default_spec(aggregate_spec)
+
+    argument_spec = dict(
+        aggregate=dict(type='list', elements='dict', options=aggregate_spec),
+        purge=dict(default=False, type='bool')
+    )
+
+    argument_spec.update(element_spec)
     argument_spec.update(eos_argument_spec)
 
     required_one_of = [['name', 'aggregate']]
diff --git a/lib/ansible/modules/network/layer3/net_vrf.py b/lib/ansible/modules/network/layer3/net_vrf.py
index 9e0586ddf6f..aa385b010d9 100644
--- a/lib/ansible/modules/network/layer3/net_vrf.py
+++ b/lib/ansible/modules/network/layer3/net_vrf.py
@@ -51,6 +51,23 @@ EXAMPLES = """
   net_vrf:
     name: MANAGEMENT
     state: absent
+
+- name: Create aggregate of VRFs with purge
+  net_vrf:
+    aggregate:
+      - { name: test4, rd: "1:204" }
+      - { name: test5, rd: "1:205" }
+    state: present
+    purge: yes
+
+- name: Delete aggregate of VRFs
+  net_vrf:
+    aggregate:
+      - name: test2
+      - name: test3
+      - name: test4
+      - name: test5
+    state: absent
 """
 
 RETURN = """