Monitoring NetFlow-Lite data in new Cisco 2900 and 4900 Series switches using NetFlow Analyzer
Creating as Flow Record in Switch config mode
Switch(config)# flow record NfliteRecord
Switch(config-flow-record)# collect counter bytes long
Switch(config-flow-record)# collect counter packets long
Switch(config-flow-record)# collect flow sampler
Switch(config-flow-record)# collect interface input
Switch(config-flow-record)# collect timestamp sys-uptime first
Switch(config-flow-record)# collect timestamp sys-uptime last
Switch(config-flow-record)# collect transport tcp flags ack
Switch(config-flow-record)# collect transport tcp flags fin
Switch(config-flow-record)# collect transport tcp flags rst
Switch(config-flow-record)# match datalink ethertype
Switch(config-flow-record)# match datalink mac source address input
Switch(config-flow-record)# match datalink mac destination address input
Switch(config-flow-record)# match ipv4 protocol
Switch(config-flow-record)# match ipv4 destination address
Switch(config-flow-record)# match ipv4 source address
Switch(config-flow-record)# match ipv4 tos
Switch(config-flow-record)# match ipv6 protocol // optional : for IPv6 only
Switch(config-flow-record)# match ipv6 destination address // optional : for IPv6 only
Switch(config-flow-record)# match ipv6 source address // optional : for IPv6 only
Switch(config-flow-record)# match ipv6 tos // optional : for IPv6 only
Switch(config-flow-record)# match transport destination-port
Switch(config-flow-record)# match transport source-port
Creating as Flow Exporter in Switch config mode
Switch(config)# flow exporter NfliteExporter
Switch(config-flow-exporter)# destination 10.10.10.10 // Nfa server IP
Switch(config-flow-exporter)# export-protocol netflow-v9
Switch(config-flow-exporter)# option interface-table
Switch(config-flow-exporter)# option exporter-stats
Switch(config-flow-exporter)# option sampler-table
Switch(config-flow-exporter)# source loopback 0 // source interface can be any L3 interface
Switch(config-flow-exporter)# template data timeout 60
Switch(config-flow-exporter)# transport udp 9996
Creating as Flow Monitor in Switch config mode
Switch(config)# flow monitor NfliteMonitor
Switch(config-flow-monitor)# record NfliteRecord
Switch(config-flow-monitor)# exporter NfliteExporter
Switch(config-flow-monitor)# cache timeout active 60
Switch(config-flow-monitor)# cache timeout inactive 15
Switch(config-flow-monitor)# cache type normal
Switch(config-flow-monitor)# statistics packet protocol
Creating as Flow Sampler in Switch config mode
Switch(config)# sampler NfliteSampler
Switch(config-sampler)# mode random 1 out-of 32 // The range can be 32 to 1022
Applying Flow Monitor to an interface in Interface config mode
Switch(config)# interface gigabitethernet 0/0
Switch(config-if)# ip flow monitor NfliteMonitor sampler NfliteSampler input // Repeat this command on all interfaces.
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