def METHOD_NAME(self):
    """
        Sets up Populate FDB instance data
        Args:
            None
        Returns:
            None
    """
    self.dataplane = ptf.dataplane_instance
    self.dataplane.flush()
    self.testParams = testutils.test_params_get()
    self.packetCount = self.testParams["packet_count"]
    self.startMac = self.testParams["start_mac"]
    self.configFile = self.testParams["config_data"]
    with open(self.configFile) as fp:
        self.configData = json.load(fp)
    self.dutMac = self.configData["dut_mac"]
    self.macToIpRatio = [
        int(i) for i in self.testParams["mac_to_ip_ratio"].split(':')]
    self.assertTrue(
        len(
            self.macToIpRatio) == 2 and self.macToIpRatio[0] > 0 and self.macToIpRatio[1] > 0,
        "Invalid MAC to IP ratio: {0}".format(
            self.testParams["mac_to_ip_ratio"])
    )
    if config["log_dir"] is not None:
        filename = os.path.join(config["log_dir"], str(self)) + ".pcap"
        self.dataplane.start_pcap(filename)