What are Device as traffic cop?
generally ROUTERS are supposed to be the cop device for the networks. for more details read LEON-GARCIA.
A cisco router is a device usually found inside computer networks, this device organises the traffic from each computer device to its relevant destination. This device acts as postal service for digital traffic. However if you use a cisco router it is like sending the information recorded delivery, as cisco is the best equipment on the market.
In computer networking, a device on a LAN (local area network) is only supposed to (and expected to) receive and respond to packet messages directed to that devices address. In promiscuous mode, the device will receive and maybe process packets that were directed to other device addresses as well. Promiscuous mode can be used to study network traffic and monitor for unauthorized devices. In early networks, all traffic propagated to every device on the network…