User manual

User Manual
Publication date: Feb., 2013
Revision A3
188
3-16.2 Sampler
The section display the sFlow sampler what you set or you can edit it for your requirement.
That will help user based on a defined sampling rate, an average of 1 out of N
packets/operations is randomly sampled. This type of sampling does not provide a 100%
accurate result, but it does provide a result with quantifiable accuracy.
Web Interface
To configure the sFlow Agent in the web interface:
1. Click Configuration, sFlow Agent, sampler
2. Click the
to edit the sFlow sampler parameters
3. Scroll to Sample Type to choice with None, Tx, Rx or All.
4. Click the save to save the setting
5. If you want to cancel the setting then you need to click the Reset button.
It will revert to previously saved values
.
Figure 3-16.2: The sFlow sampler Configuration
Parameter description:
z sFlow Ports :
List of the port numbers on which sFlow is configured.
z sFlow Instance :
Configured sFlow instance for the port number.
z Flow Sampling :
Packet flow sampling refers to arbitrarily choosing some packets out of a specified number,
reading the first "Max Hdr Size" bytes and exporting the sampled datagram for analysis.
The attributes associated with the flow sampling are: sampler type, sampling rate.
z Sampler Type :