About garysingson1

garysingson1 · 05-18-2026

Hi Folks, Does anyone have an experience in z17 OSA Express connection not coming up on an ACI Leaf Switch. End to end FO Cabling run has been traced and is verified to okay. The Leaf Switch displays the SFP Type (SFP-H25GB-SR), Name (OCULA) and Spee...

garysingson1 · 05-20-2026

Hi Daniel,All good now...issue resolved. The IBM Planning Aid has a section on Networking Requirements specific to OSA Express Adapters. That with 25GbE optics - it requires a technology known as forward error correction (FEC) to function. When conne...

Member Since	‎05-18-2026 11:19 PM
Date Last Visited	‎05-25-2026 01:03 AM
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ACI Leaf Switch to z17 Mainframe 25GBe Connection Issue

Re: ACI Leaf Switch to z17 Mainframe 25GBe Connection Issue