BD stretched ARP/BUM Flooding settings for vMotion?

[KVS7]

I'm trying to optimize my settings for two sites stretched by NDO. Looking at the CiscoU advanced ACI course shows both scenarios are appropriate for vSphere live migrations. What settings should I really use for live migrations between stretched sites?

L2 Connectivity Across Sites Without Flooding of L2 BUM frames used for: Live vMotion

L2 Connectivity Across Sites with Flooding of L2 BUM frames used for: Live VM Migration

You can see the Cisco U data above is very vague and look the same. I think the term Live VM Migration is just a generic non vendor term for vSphere vMotion which does the same thing. What settings should I impliment for live vMotions to other stretched sites (between the same stretched Bridge Domain and subnet but in the other site).

Thanks again

[Remi-Astruc]

Hi @KVS7 ,

Right, "Live VM Migration" is not very clear. Intersite BUM Flooding should be used for particular cases. It's usually not what you aim for when deploying Multi-site design.

BD without BUM Flooding is preferred and also supports vMotion.

Regards