Exam 300-101 | Question id=450 | Infrastructure Services |
A network engineer is notified that several employees are experiencing network performance related issues, and bandwidth-intensive applications are identified as the root cause. In order to identify which specific type of traffic is causing this slowness, information such as the source/destination IP and Layer 4 port numbers is required. Which feature should the engineer use to gather the required information?
A. |
SNMP | |
B. |
Cisco IOS EEM | |
C. |
NetFlow | |
D. |
Syslog | |
E. |
WCCP |
NetFlow Flows Key Fields
A network flow is identified as a unidirectional stream of packets between a given source and destination--both are defined by a network-layer IP address and
transport-layer source and des—nation port numbers. Specifically, a flow is identified as the combination of the following key fields: