LevelOne GTL-2691 - Manual (Page 855)

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F
LOW
S
AMPLING
C
OMMANDS
Flow sampling (sFlow) can be used with a remote sFlow Collector to
provide an accurate, detailed and real-time overview of the types and
levels of traffic present on the network. The sFlow Agent samples 1 out of n
packets from all data traversing the switch, re-encapsulates the samples as
sFlow datagrams and transmits them to the sFlow Collector. This sampling
occurs at the internal hardware level where all traffic is seen, whereas
traditional probes only have a partial view of traffic as it is sampled at the
monitored interface. Moreover, the processor and memory load imposed by
the sFlow agent is minimal since local analysis does not take place.
sflow This command enables sFlow globally for the switch. Use the no form to
disable this feature.
S YNTAX
[no] sflow
D EFAULT S ETTING
Disabled
C OMMAND M ODE
Global Configuration
Table 66: sFlow Commands
Command Function Mode
sflow Enables sFlow globally for the switch GC
sflow destination Configures the IP address and UDP port used by the
Collector
IC
sflow max-datagram-size Configures the maximum size of the sFlow datagram
payload
IC
sflow max-header-size Configures the maximum size of the sFlow datagram
header
IC
sflow owner Configures the name of the receiver IC
sflow polling-interval Configures the interval at which counters are added to
the sample datagram
IC
sflow sample Configures the packet sampling rate IC
sflow source Enables sFlow on the source ports to be monitored IC
sflow timeout Configures the length of time samples are sent to the
Collector before resetting all sFlow port parameters
IC
show sflow Shows the global and interface settings for the sFlow
process
PE