def startAllOspfv2(self):
        """
        Description
            Start all OSPFv2.
        """
        queryData = {'from': '/',
                    'nodes': [{'node': 'topology',    'properties': ['name'], 'where': []},
                              {'node': 'deviceGroup', 'properties': [], 'where': []},
                              {'node': 'ethernet',    'properties': [], 'where': []},
                              {'node': 'ipv4',        'properties': [], 'where': []},
                              {'node': 'ospfv2',      'properties': [], 'where': []}]
                    }
        queryResponse = self.ixnObj.query(data=queryData)
        for topologyObj in queryResponse.json()['result'][0]['topology']:
            for deviceGroupObj in topologyObj['deviceGroup']:
                if deviceGroupObj['ethernet'][0]['ipv4'][0]['ospfv2'] != []:
                    for ospfObj in deviceGroupObj['ethernet'][0]['ipv4'][0]['ospfv2']:
                        data = {'arg1': [ospfObj['href']]}
                        self.ixnObj.post(self.ixnObj.httpHeader+ospfObj['href']+'/operations/start', data=data)