[ns] trace file

Dear all, I wanted to count control packets in the trace file by using awk file, but I don't know which packets are control packet as the most type of packets are cbr from routing layer (RTR).can anyone tell me which kinds of packet are control packet in trace file? Regards,

[ns] counting control packet in trace file

Dear all, I wanted to count control packets in the trace file by using awk file, but I don't know which packets are control packet as the most type of packets are cbr from routing layer (RTR).can anyone tell me which kinds of packet are control packet in trace file? Regards,