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Command Descriptions
211
The button allows for releasing the current owner and disable
sFlow sampling. The button is disabled if sFlow is currently unclaimed. If configured
through SNMP, the release must be confirmed (a confirmation request will appear).
IP Address/Hostname The IP address or hostname of the sFlow receiver. Both IPv4 and IPv6 addresses
are supported.
UDP Port The UDP port on which the sFlow receiver listens to sFlow datagrams. If set to 0
(zero), the default port (6343) is used.
Timeout The number of seconds remaining before sampling stops and the current sFlow
owner is released. While active, the current time left can be updated with a click on
the Refresh-button. If locally managed, the timeout can be changed on the fly without
affecting any other settings.
Max. Datagram Size The maximum number of data bytes that can be sent in a single sample datagram.
This should be set to a value that avoids fragmentation of the sFlow datagrams. Valid
range is 200 to 1468 bytes with default being 1400 bytes.
Port Configuration
Port The port number for which the configuration below applies.
Flow Sampler Enabled Enables/disables flow sampling on this port.
Flow Sampler Sampling
Rate
The statistical sampling rate for packet sampling. Set to N to sample on average
1/Nth of the packets transmitted/received on the port.
Not all sampling rates are achievable. If an unsupported sampling rate is requested,
the switch will automatically adjust it to the closest achievable. This will be reported
back in this field.
Flow Sampler Max.
Header
The maximum number of bytes that should be copied from a sampled packet to the
sFlow datagram. Valid range is 14 to 200 bytes with default being 128 bytes.
If the maximum datagram size does not take into account the maximum header size,
samples may be dropped.
Counter Poller Enabled Enables/disables counter polling on this port.
Counter Poller Interval With counter polling enabled, this specifies the interval - in seconds - between
counter poller samples.
Buttons
See description under Owner
.
Click to refresh the page. Note that unsaved changes will be lost.
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