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17 Monitoring
Netflow configuration
Configuration algorithm
Configuration example
sFlow configuration
Configuration algorithm
Configuration example
SNMP configuration
Configuration algorithm
Configuration example
Zabbix-agent/proxy configuration
Configuration algorithm
Zabbix-agent configuration example
Zabbix-server configuration example
Syslog configuration
Configuration algorithm
Configuration example
Integrity check
Configuration process
Configuration example
Router configuration file archiving
Configuration process
Configuration example
17.1 Netflow configuration
Netflow is a network protocol designed for traffic accounting and analysis. Netflow allows transmitting traffic
information (source and destination address, port, quantity of information) from the network equipment
(sensor) to the collector. Common server may serve as a collector.
17.1.1 Configuration algorithm
Step Description Command Keys
1 Specify Netflow protocol version. esr(config)# netflow version
<VERSION>
<VERSION> – Netflow protocol
version: 5, 9 and 10.
2 Set the maximum amount of observed
sessions.
esr(config)# netflow max-flows
<COUNT>
<COUNT> – amount of
observed sessions, takes
values of [10000..2000000].
Default value: 512000.
3 Set the interval after which the
information on outdated sessions is
exported to the collector.
esr(config)# netflow inactive-
timeout <TIMEOUT>
<TIMEOUT> – delay before
sending outdated sessions
information, set in seconds,
takes the value of [0..240].
Default value: 15 seconds.
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