Enabling Sflow Max-Header Size Extended; Sflow Show Commands; Displaying Show Sflow Global - Dell Z9500 Configuration Manual

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. When sflow max-header-size extended is enabled, 256
bytes are copied. These bytes are useful for VxLAN, NvGRE, IPv4, and IPv6 tunneled packets.
NOTE: Interface mode configuration takes priority.
• 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 the show sflow command when the sflow max-header-size extended is configured globally
Example of viewing the sflow max-header-size extended on an Interface Mode
Example of the show running-config sflow Command

sFlow Show Commands

Dell Networking OS includes the following sFlow display commands.
• Displaying Show sFlow Globally
• Displaying Show sFlow on an Interface
• Displaying Show sFlow on a Line Card

Displaying Show sFlow Global

To view sFlow statistics, use the following command.
• Display sFlow configuration information and statistics.
EXEC mode
show sflow
Example of Viewing sFlow Configuration (Global)
The first bold line indicates sFlow is globally enabled.
Dell#show sflow
sFlow services are enabled
Global default sampling rate: 32768
Global default counter polling interval: 20
1 collectors configured
Collector IP addr: 133.33.33.53, Agent IP addr: 133.33.33.116, UDP port: 6343
77 UDP packets exported
0 UDP packets dropped
165 sFlow samples collected
69 sFlow samples dropped due to sub-sampling
sFlow 773