##### SUMMARY
This feature would implement a SetManagerNic command for the Manager category of redfish_config, to update Manager NIC configuration. 

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_config

##### ADDITIONAL INFORMATION
This command would help user to configure their Manager NIC.
protocol_services = ['SNMP', 'VirtualMedia', 'Telnet', 'SSDP', 'IPMI', 'SSH',
                             'KVMIP', 'NTP', 'HTTP', 'HTTPS', 'DHCP', 'DHCPv6', 'RDP',
                             'RFB']
        protocol_state_onlist = ['true', 'True', True, 'on', 1]
        protocol_state_offlist = ['false', 'False', False, 'off', 0]
        payload = {}
        for service_name in manager_services.keys():
            if service_name not in protocol_services:
                return {'ret': False, 'msg': "Service name %s is invalid" % service_name}