def anycast_gateway_mac
      mac = config_get('overlay_global', 'anycast_gateway_mac')
      mac.nil? || mac.empty? ? default_anycast_gateway_mac : mac.downcase
    end
def anycast_gateway_mac
      mac = config_get('overlay_global', 'anycast_gateway_mac')
      mac.nil? || mac.empty? ? default_anycast_gateway_mac : mac.downcase
    end
anycast-gateway-mac