code: public static base_response update(nitro_service client, snmpmanager resource) throws Exception {
  		snmpmanager updateresource = new snmpmanager();
  		updateresource.ipaddress = resource.ipaddress;
  		updateresource.netmask = resource.netmask;
  		updateresource.domainresolveretry = resource.domainresolveretry;
  		return updateresource.update_resource(client);
  	}
docs: Use this API to update snmpmanager.