Home » Cisco » 350-701 v.2 » What are two features of NetFlow flow monitoring?
What are two features of NetFlow flow monitoring? (Choose two)
A. Can track ingress and egress information
B. Include the flow record and the flow importer
C. Copies all ingress flow information to an interface
D. Does not required packet sampling on interfaces
E. Can be used to track multicast, MPLS, or bridged traffic
Correct Answer: AE
Explanation/Reference:
Explanation:
The following are restrictions for Flexible NetFlow:
+ Traditional NetFlow (TNF) accounting is not supported.
+ Flexible NetFlow v5 export format is not supported, only NetFlow v9 export format is supported.
+ Both ingress and egress NetFlow accounting is supported.
+ Microflow policing feature shares the NetFlow hardware resource with FNF.
+ Only one flow monitor per interface and per direction is supported.
Reference: https://www.cisco.com/en/US/docs/switches/lan/catalyst3850/software/release/3se/consolidated_guide/b_consolidated_3850_3se_cg_chapter_011010.htmlWhen configuring NetFlow, follow these guidelines and restrictions:
+ Except in PFC3A mode, NetFlow supports bridged IP traffic. PFC3A mode does not support NetFlow bridged IP traffic.
+ NetFlow supports multicast IP traffic.
Reference: https://www.cisco.com/en/US/docs/general/Test/dwerblo/broken_guide/netflow.htmlThe Flexible NetFlow – MPLS Egress NetFlow feature allows you to capture IP flow information forpackets thatarrive on a router asMultiprotocol Label Switching (MPLS) packets and are transmitted as IP packets.
This feature allows you to capture the MPLS VPN IP flows that are traveling through the service provider backbone from one site of a VPN to another site of the same VPN
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/netflow/configuration/15-mt/nf-15-mt-book/cfgmpls-netflow.html
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