![]() Most packet sniffers have a utility within the user interface that manages the mode switch for you. In promiscuous mode, your NIC will pick up all network traffic. This removes the listening limit on the NIC. To capture general traffic, you need to put your NIC into “ promiscuous mode”. Your NIC will only pick up internet traffic that is addressed to its MAC address. The interface from your computer to the network is called the “ network interface controller,” or NIC. It is important to understand how the network card on your computer operates when you install packet sniffing software. ![]() If you have no budget, packet sniffing will help traffic shaping through prioritizing application traffic, resizing subnets, rescheduling heavy-traffic events, limiting bandwidth for specific applications, or replacing applications with more efficient alternatives. If you have the resources to expand network capacity, the packet sniffer will enable you to target new resources more effectively. The actions you take depend on your available budget.
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