[Linux 常見問題] Configure a network interface into promiscuous mode

Source From Here 
Question 
I am working on ubuntu 12.04 lts server on vmware workstation. I need to configure my network interface to work in promiscuous mode. 

How-To 
You can firstly use command netstat to check if your interface has already turned on promiscuous mode: 
 

The flag definition: 

* B flag is for broadcast
* M flag is for multicast
* P flag is for promisc mode
* R is for running
* U is for up

VMware always enables promiscuous mode for virtual interface. It is not enough to enable promiscuous mode in the interface file. You can use below command to enable/disable promiscuous mode of interface (e.g. eno1):