ccna 200 301 study guide pdf

ccna 200 301 study guide pdf.ip flow interface subcommand to configure the capture of flow data.ip flow-export global command to configure details of how to send data to the NetFlow collector.First, to capture flow data, the engineer needs to add the ip flow ingress or ip flowegress command to one or more interfaces. Both of these commands tell the router to capture NetFlow flow data on the interface. The ingress option tells the router to monitor the incoming packets on the interface, and the egress option tells the router to monitor the outgoing packets on the interface. (NetFlow flows are unidirectional, so the connection between the user and the application has two NetFlow flows, one in each direction.)To configure the collector, the router has several places to configure.(1) Use the ipflow-exportdestinationaddressport global command to configure the IP address and UDP port number of the NetFlow collector.(2) Make theip flow-export version version global command to configure the version of NetFlow, paying close attention to when to format the NetFlow records sent to the collector.(3) Use theip flow-export source type number global command to configure the interface of the source to be used as the source packet sent to the collector.Example 19-6 gives an example based on Figure 19-7. R1 collects flow data for packets at the ingress and egress on interface F0/0. It then uses UDP port 99,referencing a NetFlow collector with an IP address of 1010.100. The configuration also defines the use of NetFlow version 9 records and the use of the sendback interface to obtain the source IP address of packets sent to the collector.