NICのプロミスキャスモードの設定変更方法
$ sudo ifconfig eth0 promisc $ sudo ifconfig | grep UP UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 UP LOOPBACK RUNNING MTU:16436 Metric:1 $ sudo ifconfig eth0 -promisc $ sudo ifconfig | grep UP UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 UP LOOPBACK RUNNING MTU:16436 Metric:1 $