PF_RING

nProbe

Port Mirror vs Network Tap

In order to analyze network traffic, it's necessary to feed ntop/nProbe with network packets. There are two solutions to the problem: port mirror (also called SPAN in Cisco parlance) network tap Prior…
PF_RING

IRQ Balancing

On Linux, interrupts are handled automatically by the kernel. In particular there's a process named irqbalancer that is responsible for balancing interrupts across processors. Unfortunately the default is to let all processors…