A device may be configured to receive information regarding one or more ports associated with a routing device; output, to the routing device, filter information associated with at least a particular port, of the one or more ports associated with the routing device, the filter information specifying one or more conditions associated with traffic of interest; receive, from the routing device, and based on the outputted filter information, information regarding traffic of interest received or sent by the routing device via the particular port, the traffic of interest being less than or equal to all traffic received or sent by the routing device via the particular port; and store or output a representation of at least a portion of the received information regarding the traffic of interest.