Hello all,
Currently my Leaf uplink/Spine downlink ports (so the connections b/t the Leafs and Spines) are currently running on 40-gig BiDi SFP's, and I recently purchased new compatible QSFP-100G-SR1.2 SFP's to upgrade them.
My plan is to swap the SFP's for a single Leaf/Spine "connection" at a time, e.g. swap the SFP on "Leaf-1 uplink-1" and then swap the SFP on the corresponding "Spine-1 downlink-1", then make sure that link comes up before moving to the next uplink/downlink connection (e.g. Leaf-1 uplink-2 and Spine-2 downlink-1).
My question is, would this plan of swapping a single uplink/downlink connection at a time cause any impact to endpoints in the fabric? Trying to decide if I need a maintenance window to perform this work (I know I know, we "always" need a maintenance window ;- ), or, if there will be no impact to endpoints with this method, if I can treat this like other "operational" work and do it as part of the regular work day. I had a previous co-worker who said these ACI uplink/downlink SFP swaps could be done during the regular work day, but I wanted to check with the community for your thoughts before I proceed. Thanks!
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