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User’s Guide – version 3.1.3 NetFlow Tracker
20
S
et up SNMP community strings
If any of the devices you intend monitoring do not use a read-only SNMP community of
“public” you will need to add their communities to the list in SNMP Settings
.
Add listener ports
If you intend monitoring more than one device it is recommended that you set up one
listener port per device rather than use the default port 2055 for all of them. You can
add ports in the Listener Ports
settings page.
Set up web front-end security
If you wish to set passwords to protect access to the web front-end and the settings
pages you can do so in Security Settings
.
Configure your routers and switches
You must configure your devices to send NetFlow exports to the server running
NetFlow Tracker, and to allow the server read-only SNMP access. Even if you have set
up NetFlow before, please read the configuration guide in Appendix 1
.
Verify that data is being received
You can check that data is being received from a device by looking for it in the
Performance Counters
settings page. You should also check the Device Settings to
ensure that SNMP access was successful.