Sflow Flow Sampler Settings - D-Link xStack DGS-3420 Series Reference Manual

xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch Web UI Reference Guide
Max Datagram Size
(300-1400)
Click the Apply button to accept the changes made.
Click the Edit button to re-configure the specific entry.
Click the Delete button to remove the specific entry.

sFlow Flow Sampler Settings

On this page the user can configure the sFlow flow sampler parameters. By configuring the sampling function for a port,
a sample packet received by this port will be encapsulated and forwarded to the analyzer server at the specified
interval.
To view this window, click Monitoring > sFlow > sFlow Flow Sampler Settings as shown below:
NOTE: If the user wants the change the analyze server ID, he needs to delete the flow sampler and
creates a new one.
The fields that can be configured are described below:
Parameter
Unit
From Port / To Port
Analyzer Server ID
Rate
MAX Header Size
Click the Apply button to accept the changes made.
The maximum number of data bytes that can be packed in a single sample datagram. If
not specified, the default value is 1400.
Figure 11-22 sFlow Flow Sampler Settings window
Description
Select the unit you wish to configure.
Use the drop-down menus to specify the list of ports to be configured.
The analyzer server ID specifies the ID of a server analyzer where the packet will be
forwarded.
The sampling rate for packet Rx sampling. The configured rate value multiplied by 256 is
the actual rate. For example, if the rate is 20, the actual rate 5120. One packet will be
sampled from every 5120 packets. If set to 0, the sampler is disabled. If the rate is not
specified, its default value is 0.
The sampling rate for packet Tx sampling. The configured rate value multiplied by 256 is
the actual rate. For example, if the rate is 20, the actual rate 5120. One packet will be
sampled from every 5120 packets. If set to 0, the sampler is disabled. If the rate is not
specified, its default value is 0.
The maximum number of leading bytes in the packet which has been sampled that will
be encapsulated and forwarded to the server. If not specified, the default value is 128.
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