Linux network card promiscuous mode settings and cancellation

1, the Linux network card commonly used several modes description:

Broadcast mode: The NIC in this mode can receive broadcast information in the network.

Multicast mode: The network card set in this mode can receive multicast data.

Direct mode: In this mode, only the destination network card can receive the data.

Promiscuous mode: The NIC in this mode can receive all data through it, regardless of whether the data

2. View, add, and remove promiscuous modes

A. Check the NIC mode [[Email protected] ~]# ifconfig -aens32: flags=4163<up,broadcast,running, multicast>  mtu 1500        inet 10.203.12.88   netmask 255.255.255.0  broadcast 10.203.12.255         inet6 fe80::250:56ff:feb3:2253  prefixlen 64  scopeid  0x20<link>        ether 00:50:56:b3:22:53   txqueuelen 1000   (Ethernet)         rx packets  2800921171  bytes 2087772292594  (1.8&NBSP;TIB)          rx errors 0  dropped 61583  overruns 0  frame  0        TX packets 2328391024  bytes  1651122431491  (1.5&NBSP;TIB) &NBsp;       tx errors 0  dropped 0 overruns  0  carrier 0  collisions 0lo: flags=73<UP,LOOPBACK,RUNNING>   mtu 65536        inet 127.0.0.1   Netmask 255.0.0.0        inet6 ::1  prefixlen  128  scopeid 0x10

This article is from the "Frozen vs watermelon" blog, so be sure to keep this source http://molewan.blog.51cto.com/287340/1795607
Linux network card promiscuous mode settings and cancellation