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Dell S5212F-ON to Cisco C9500-48Y4C: dual-coded FS SFP28 DACs stay protocol down while 2 m Cisco/Cisco cables link
Between VxRail Dell S5212F-ON TOR switches and Cisco C9500-48Y4C switches, FS.com SFP28 DACs behaved inconsistently: a 5 m cable custom-coded Cisco on one end and Dell on the other came Line Up, Protocol down; a 2 m Cisco/Cisco-coded cable linked; a 3 m cable would not link even with the 2 m…
