Digi Connect IT 16, Руководство пользователя

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Monitoring Configure NetFlow Probe
Digi Connect IT® 16/48 User Guide 631
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WebUI
1. Log into the Connect IT 16/48 WebUI as a user with full Admin access rights.
2. On the menu, click System . Under Configuration , click Device Configuration .
The Configuration window is displayed.
3. Click Monitoring > NetFlow probe .
4. Enable NetFlow probe.
5. Protocol version: Select the Protocol version . Available options are:
n
NetFlow v5 —Supports IPv4 only.
n
NetFlow v9 —Supports IPv4 and IPv6.
n
NetFlow v10 (IPFIX) —Supports both IPv4 and IPv6 and includes IP Flow Information
Export (IPFIX).
The default is NetFlow v10 (IPFIX) .
6. Enable Flow sampler by selecting a sampling technique. Flow sampling can reduce flow
processing and transmission overhead by providing a representative subset of all flows.
Available options are:
n
None —No flow sampling method is used. Each flow is accounted.
n
Deterministic —Selects every n th flow, where n is the value of Flow sampler
population .
n
Random —Randomly selects one out of every n flows, where n is the value of Flow
sampler population .
n
Hash —Randomly selects one out of every n flows using the hash of the flow key, where
n is the value of Flow sampler population .
7. For Flow sampler population , if you selected a flow sampler, enter the number of flows for
the sampler. Allowed value is any number between 2 and 16383 . The default is 100 .
8. For Inactive timeout , type the the number of seconds that a flow can be inactive before sent
to a collector. Allowed value is any number between 1 and 15 . The default is 15 .
9. For Active timeout , type the number of seconds that a flow can be active before sent to a
collector. Allowed value is any number between 1 and 1800 . The default is 1800 .
10. For Maximum flows , type the maximum number of flows to probe simultaneously. Allowed
value is any number between 0 and 2000000 . The default is 2000000 .