Why on earth did Cisco not support the SFP+LRM module with their QSA CVR module? It was not until we installed our C9500-32QCs and C9606Rs did we realize we had major problems. It slipped by us -- I did a lot of testing and must have missed that poin...

We have FS optics QSFP-ER4-40G and QSFP-BD-40G that are not compatible with the two switches listed above. Tried code 16.12.4 and 17.3.2a    in both switches...same failure with optics turning led orange and the non-compatible log note. The QSFP-BD-4...

We have one to two hundred 3750X switches and a few dozen 3850 switches in stacks. For upgrading some old sites we were planning to move up to the newer 9300 series 48UXM models. We manually configure our switches with CLI (using automated QOS comman...