Posted on June 24, 2019 5:49 pm
 |  Asked by Félix Bouynot
 |  198 views
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Hello,

I am using BGP on Arista 7280SR, and the ip are on vlan interfaces (not sub-interfaces).
I’d like to enable sflow and its BGP extension to see the traffic per-AS with AS-stats / elastiflow, although I cannot enter the following command, which is not available in interface vlan configuration mode.
sflow enable

Is it a limitation of the Jericho chip, EOS, or did I misunderstand the way I’m supposed to get BGP extension informations via sflow in my setup ?

Thank you.

2
Posted by Yashwanth Veluri
Answered on June 26, 2019 7:24 am

Hello Felix,

The “sflow extension bgp” command enables BGP export to sFlow.

Using this feature the routing agent will export the BGP routing table and autonomous system path information to the sFlow agent. But, there must be a bgp instance on the switch for the sFlow export feature to operate.

Please find more information on this here: https://www.arista.com/en/um-eos/eos-section-48-3-sflow-configuration-commands#ww1202823

Regards,
Yashwanth Veluri

Hello and thank you. I already configured “sflow extension bgp”, I’m receiving packets from sflow but without the bgp informations. Can it be because I’m using “routing protocols model multi-agent”?

(Félix Bouynot at June 27, 2019 2:57 pm)
1
Posted by Aesha Parikh
Answered on June 27, 2019 6:43 pm

Hi Felix,

On Multi-agent, sflow bgp extension support came in 4.22.0F release.
https://eos.arista.com/eos-4-22-0f/sflow-extension-bgp-in-multi-agent/

Thanks,
Aesha

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