Q) What is NetFlow?
A: NetFlow is Cisco Proprietary protocol is used to collect traffic statistics which is entering and going outside of the Cisco Router.
Q) What are the Advantages of NetFlow?
A: 1) Bandwidth Monitoring
2) To know which applications are taking more bandwidth
3) To know which devices are using more bandwidth
4) QOS
5) Accounting & Billing used by ISP
Q) What are the components of NetFlow?
A) 1. Identifier --> Identifies what type of traffic and stores the information in the cache
2. Exporter --> Takes the collected information and forwards to the collector.
3. Collector -->Is a monitoring station which will be having netflow application for analyzing the traffic
Q) What are the different types of NetFlow Applications ?
A) 1) Solarwinds NetFlow Analyzer
2) Manage Engine NetFlow Analyzer
3) Plixer Scrutinizer
4) PRTG
5) ntop
Q) What are the versions of NetFlow?
A) Version 1: Initial version of NetFlow, only supports IPV4 without Subnet Mask
Version 2: Internal Version of CISCO , Never released
Version 3: Internal Version of CISCO , Never released
Version 4: Internal Version of CISCO , Never released
Version 5: Most Popular Version of Netflow , Supports IPV4 with Subnet Mask
Version 7: Supported by Cisco Switches
Version 8: Supports Aggregation
Version 9: Supports IPV6,MPLS
A: NetFlow is Cisco Proprietary protocol is used to collect traffic statistics which is entering and going outside of the Cisco Router.
Q) What are the Advantages of NetFlow?
A: 1) Bandwidth Monitoring
2) To know which applications are taking more bandwidth
3) To know which devices are using more bandwidth
4) QOS
5) Accounting & Billing used by ISP
Q) What are the components of NetFlow?
A) 1. Identifier --> Identifies what type of traffic and stores the information in the cache
2. Exporter --> Takes the collected information and forwards to the collector.
3. Collector -->Is a monitoring station which will be having netflow application for analyzing the traffic
Q) What are the different types of NetFlow Applications ?
A) 1) Solarwinds NetFlow Analyzer
2) Manage Engine NetFlow Analyzer
3) Plixer Scrutinizer
4) PRTG
5) ntop
Q) What are the versions of NetFlow?
A) Version 1: Initial version of NetFlow, only supports IPV4 without Subnet Mask
Version 2: Internal Version of CISCO , Never released
Version 3: Internal Version of CISCO , Never released
Version 4: Internal Version of CISCO , Never released
Version 5: Most Popular Version of Netflow , Supports IPV4 with Subnet Mask
Version 7: Supported by Cisco Switches
Version 8: Supports Aggregation
Version 9: Supports IPV6,MPLS
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