We currently have 2 pods with 4 spines in each pod. Our current configuration is to only use 2 of the spines in each pod for the IPN between the pods. This gives us no single point of failure.
Given there are no bandwidth constraints between the spines and the core, would there be any reason to connect all 4 spines to the IPN? To me this just adds more complexity without much value. Does Cisco recommend connecting every spine to the CORE for IPN connectivity?
Connecting all spines to IPN network is not a requirement for Multipod. This is totally based on redundancy and bandwidth requirements. I have seeing implementations exactly as yours, on the other hand I have seen networks where each Spine has multiple uplinks to Multiple IPN devices.
Original Blog published @ https://blogs.cisco.com/datacenter/spinning-up-an-nvme-over-fibre-channel-strategy
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