350-501 · Question #101
Refer to the exhibit. It the NetFlow configuration is updated to version 9, which additional piece of information can be reported?
The correct answer is C. BGP AS information. NetFlow v5 exports a fixed set of fields and has limited BGP attribute support. NetFlow v9 introduced a flexible, template-based export format that allows additional fields to be reported. One of the key additions in v9 over v5 is the ability to include BGP Autonomous System…
Question
Refer to the exhibit. It the NetFlow configuration is updated to version 9, which additional piece of information can be reported?
Options
- AIPv6 flow information
- Bflow sequence numbers
- CBGP AS information
- DIPv4 flow information
How the community answered
(43 responses)- A2% (1)
- B2% (1)
- C95% (41)
Explanation
NetFlow v5 exports a fixed set of fields and has limited BGP attribute support. NetFlow v9 introduced a flexible, template-based export format that allows additional fields to be reported. One of the key additions in v9 over v5 is the ability to include BGP Autonomous System (AS) information - both source and destination AS numbers - in the flow records, enabling operators to perform traffic engineering and policy analysis based on BGP routing data. Option A (IPv6) is also a v9 capability but typically requires the exhibit's configuration to show an IPv6 flow monitor. Option B (flow sequence numbers) already exists in v5. Option D (IPv4) is supported by v5 as well.
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