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Multipod L3Out Design

packet2020
Level 3
Level 3

Hi All,

I'm working on an ACI Multipod deployment comprising two pods, Pod1 for site1 and Pod2 for site2. Each pod will need to connect out to a common core network using BGP that is available at both sites (the core network provides the same routes at each site)

I have an option of configuring either a single L3Out, with separate logical interface profiles for each site connecting to the local core network using BGP, or by creating two L3Outs one for each Pod. From what I understand, both will provide the same connectivity, however with two L3Outs, I will end up with two ExtEPGs with 0.0.0.0/0 which I believe causes issues with contracts. What is typically the recommended approach in a standard Multipod deployment? Are there other pros/cons to each option?

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