CCIE R&S V5.1 Written Exam: Implement and Troubleshoot NetFlow
I will be discussing Implement and Troubleshoot NetFlow as part of Layer 3 Technologies and Fundamental Routing Concepts CCIE Routing and Switching (R&S) V5.1 exam blueprint topics.
Implement and Troubleshoot NetFlow :
6.4 Network optimization
6.4.c Implement and troubleshoot NetFlow
6.4.c [i] NetFlow v5, v9
6.4.c [ii] Local retrieval
6.4.c [iii] Export [configuration only]
Let me summarize some of the key takeaways related to CCIE R&S V5.1 Written Exam: Implement and Troubleshoot Static Routing as relevant to CCIE Routing and Switching (R&S) V5.1 written exam blueprint topics.
- NetFlow v9 is template based, available on most routers. Mostly used to report flows like IPv6, MPLS, or even plain IPv4 with BGP next-hop
- The traditional show command for NetFlow is show ip cache flow also available are two forms of top talker commands. If this command output shows same SrcIf (source interface) and DstIf (destination interface), that would be indicative of a routing loop
- NetFlow provides network resource utilization accounting
I sincerely hope that you found this article and video helpful. Please post your questions or suggestions in the comments and tell me how you are preparing for your CCIE Routing and Switching (R&S) V5.1 written and lab exams.