Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.112.1P1 - Page 829
Enabling and Disabling sFlow on an Interface, Enabling sFlow Max-Header Size Extended
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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 Dell# If you did not enable any extended information, the show output displays the following (shown in bold). Dell#show sflow sFlow services are disabled Global default sampling rate: 32768 Global default counter polling interval: 20 Global extended information enabled: none 0 collectors configured 0 UDP packets exported 0 UDP packets dropped 0 sFlow samples collected 0 sFlow samples dropped due to sub-sampling 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 ingress-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. 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 sFlow 829
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