Telemetry on NX-OS

[henryiron]

On some Nexus 9300 EX running NX-OS 7.0(3)I7(8) we are trying to get telemetry data related to Tcp conversations. We are able to receive data via NX-API commands (e.g. show CPU) and DME model (path sys/intf), but it is very hard do find information about flows, a feature that should be present in EX series. Unfortunately the documentation does not report examples in this area and the DME model is very terse.

Does some has already experience with some configuration examples? Do we have to enable Netflow configuration or this technology is something indipendent from Netflow?

Thank you for you help.

[Sergiu.Daniluk]

Hi @henryiron 

This is the supportability for different version of the telemetry:

If you are looking for Deep Telemetry (SSX) this is a config example for it:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/programmability/guide/b_Cisco_Nexus_9000_Series_NX-OS_Programmability_Guide_7x/b_Cisco_Nexus_9000_Series_NX-OS_Programmability_Guide_7x_chapter_011011.html 

Here is another example for buffer monitoring through telemetry:  https://www.youtube.com/watch?v=cj4onD6i-RY 

If you are looking for all DME list: https://developer.cisco.com/site/nxapi-dme-model-reference-api/ 

On the other hand, all platforms supports Netflow v9.

Stay safe,

Sergiu

[henryiron]

Hi Sergiu,

about SSX this does not apply, as we have EX hardware that does not support it, anyway the link posted jump to a an almost empty page. The youtube example is related to NXAPI, we would like to use info from DME model, apparently there is almost nothing publicly available except that list of entity without an useful explanation of their meaning.

Thank you for your time,

regards,