Administrator Guide

• Enable sFlow globally.
CONFIGURATION mode
[no] sflow enable
Enabling and Disabling sFlow on an Interface
By default, sFlow is disabled on all interfaces.
This CLI is supported on physical ports and link aggregation group (LAG) ports.
To enable sFlow on a specific interface, use the following command.
• Enable sFlow on an interface.
INTERFACE mode
[no] sflow enable
To disable sFlow on an interface, use the no version of this command.
Enabling sFlow Max-Header Size
Extended
To configure the maximum header size of a packet to 256 bytes, use the following commands:
• Set the maximum header size of a packet.
CONFIGURATION mode
INTERFACE mode
sflow max-header-size extended
By default, the maximum header size of a packet is 128 bytes. If the traffic ingresses on an sFlow enabled
interface, 256 bytes are copied.
• To reset the maximum header size of a packet, use the following command
[no] sflow max-header-size extended
• View the maximum header size of a packet.
show running-config sflow
Example of Viewing the Extended Max Header Size
Dell#show sflow interface tengigabitethernet 1/1
Te 1/1
sFlow type :Ingress <<<<
Configured sampling rate :16384
Actual sampling rate :16384
Counter polling interval :20
Extended max header size :256
Samples rcvd from h/w :0
Example of the show sflow command
sFlow 832