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
The bold line shows the sFlow default maximum header size:
Dell#show sflow
sFlow services are enabled
Egress Management Interface sFlow services are disabled
Global default sampling rate: 32768
Global default counter polling interval: 20
Global default extended maximum header size: 128 bytes
Global extended information enabled: none
1 collectors configured
Collector IP addr: 100.1.1.1, Agent IP addr: 1.1.1.2, UDP port: 6343 VRF:
Default
0 UDP packets exported
0 UDP packets dropped
0 sFlow samples collected
stack-unit 0 Port set 0
Te 1/1: configured rate 16384, actual rate 16384 <<< sampling rate based on
line speed if global sampling rate is default
Dell#
Example of Viewing the sFlow max-header-size extended on an Interface Mode
844 sFlow