About henryiron

henryiron · 06-17-2020

In the documentation Cisco Nexus 9000 Series NX-OS Programmability Guide, Release 9.3(x) there is a chapter dedicated to Inband Network Telemetry. The documentation is a bit confusing because the title is "Nexus 9000", but a requirement for this func...

henryiron · 06-08-2020

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 a...

henryiron · 04-27-2020

We would like to start some experimentation of telemetry data collection from our 93180-EX leaves. At last Cisco Live I found a lot of effort to promote this new technology, apparently it should be easy to subscribe and collect data in a custom appli...

henryiron · 12-12-2019

I am debugging the traffic between 2 VM using SPAN ports. I configured source groups and destinations groups for the leaves involved. In each leaf there is a physical span port that send the traffic to a traffic aggregator, then it forwards the traff...

henryiron · 06-10-2020

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 a...

henryiron · 06-10-2020

With the support of TAC, we found that the problem was caused by PTP protocol: 8 bytes inserted in the ERSPAN header that caused them to be dropped and not recognised, while for the SPAN it is likely the upgrade to 4.2 fixed something broken.

henryiron · 04-29-2020

Buna Sergiu,Thank you very much! This is the first hint I found on this specific topic. While in general there are a lot of examples about telemetry with "traditional" switches, I found a total lack of examples for the ACI side... Apparently the only...

Member Since	‎02-14-2018 02:16 PM
Date Last Visited	‎06-24-2020 12:06 AM
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INT - Inband Network Telemetry

Telemetry on NX-OS

Telemetry data and Cisco ACI

Traffic incoming missing in span port with EX leaves

Re: Telemetry on NX-OS

Re: Traffic incoming missing in span port with EX leaves

Re: Telemetry data and Cisco ACI